Journal Articles

Afeef, S, Tolfrey, K, Zakrzewski-Fruer, JK, Barrett, LA (2023) Performance of the FreeStyle Libre Flash Glucose Monitoring System during an Oral Glucose Tolerance Test and Exercise in Healthy Adolescents, Sensors, 23(9), pp.4249-4249, DOI: 10.3390/s23094249.

Afeef, S, Barrett, L, Zakrzewski-Fruer, J, Tolfrey, K (2022) Postprandial glucose responses to standardised meals consumed after moderate- and high-intensity exercise bouts across standard school days in healthy adolescents, Recent Progress in Nutrition, 2(3), ISSN: 2771-9871. DOI: 10.21926/rpn.2203020.

Smallcombe, J, Biddle, G, Slater, T, Thackray, A, Dunstan, DW, Barrett, L, Tolfrey, K (2022) Breaking sitting time with physical activity increases energy expenditure but does not alter postprandial metabolism in girls, Medicine & Science in Sports & Exercise, 54(11), pp.1850-1860, ISSN: 0195-9131. DOI: 10.1249/mss.0000000000002979.

OBrien, T, Briley, S, Mason, B, Leicht, C, Tolfrey, K, Goosey-Tolfrey, V (2022) A high-intensity warm-up increases thermal strain but does not affect repeated sprint performance in athletes with a cervical spinal cord injury, International Journal of Sports Physiology and Performance, 17(3), pp.440-449, ISSN: 1555-0265. DOI: 10.1123/ijspp.2021-0073.

Zakrzewski-Fruer, JK, Seall, C, Tolfrey, K (2021) Breakfast Consumption Suppresses Appetite but Does Not Increase Daily Energy Intake or Physical Activity Energy Expenditure When Compared with Breakfast Omission in Adolescent Girls Who Habitually Skip Breakfast: A 7-Day Randomised Crossover Trial, Nutrients, 13(12), pp.4261-4261, DOI: 10.3390/nu13124261.

Arlegui, L, Smallcombe, J, Fournet, D, Tolfrey, K, Havenith, G (2021) Body mapping of sweating patterns of pre-pubertal children during intermittent exercise in a warm environment, European Journal of Applied Physiology, 121, pp.3561-3576, ISSN: 1439-6319. DOI: 10.1007/s00421-021-04811-4.

Chen, Y-L, Tolfrey, K, Pearson, N, Bingham, D, Edwardson, C, Cale, L, Dunstan, D, Barber, S, Clemes, S (2021) Stand Out in Class: investigating the potential impact of a sit–stand desk intervention on children’s sitting and physical activity during class time and after school, International Journal of Environmental Research and Public Health, 18(9), 4759, ISSN: 1660-4601. DOI: 10.3390/ijerph18094759.

Goosey-Tolfrey, V, de Groot, S, Tolfrey, K, Paulson, T (2021) Criterion validity of a field-based assessment of aerobic capacity in wheelchair rugby athletes, International Journal of Sports Physiology and Performance, 16(9), pp.1341-1346, ISSN: 1555-0265. DOI: 10.1123/ijspp.2020-0517.

Davis, NL, Tolfrey, K, Jenney, M, Elson, R, Stewart, C, Moss, AD, Cornish, JM, Stevens, MCG, Crowne, EC (2020) Combined resistance and aerobic exercise intervention improves fitness, insulin resistance and quality of life in survivors of childhood haemopoietic stem cell transplantation with total body irradiation, Pediatric Blood and Cancer, 67(12), e28687, ISSN: 1545-5009. DOI: 10.1002/pbc.28687.

Rosén, JS, Goosey-Tolfrey, V, Tolfrey, K, Arndt, A, Bjerkefors, A (2020) Interrater reliability of the new sport-specific evidence-based classification system for Para Va’a, Adapted Physical Activity Quarterly, 37(3), pp.241-252, ISSN: 0736-5829. DOI: 10.1123/apaq.2019-0141.

Sindall, P, Lenton, J, Mason, B, Tolfrey, K, Cooper, R, Ginis, KM, Goosey-Tolfrey, V (2020) Practice improves court mobility and self-efficacy in tennis-specific wheelchair propulsion, Disability and Rehabilitation: Assistive Technology, 16(4), pp.398-406, ISSN: 1748-3107. DOI: 10.1080/17483107.2020.1761892.

Clemes, S, Bingham, D, Pearson, N, Chen, Y-L, Edwardson, C, McEachan, RRC, Tolfrey, K, Cale, L, Richardson, G, Fray, M, Altunkaya, J, Bandelow, S, Jaicim, NB, Salmon, J, Dunstan, DW, Barber, SE (2020) Stand Out in Class: restructuring the classroom environment to reduce sitting time – findings from a pilot cluster randomised controlled trial, International Journal of Behavioral Nutrition and Physical Activity, 17, 55, ISSN: 1479-5868. DOI: 10.1186/s12966-020-00958-z.

Clemes, S, Bingham, DD, Pearson, N, Chen, Y-L, Edwardson, C, McEachan, R, Tolfrey, K, Cale, L, Richardson, G, Fray, M, Altunkaya, J, Bandelow, S, Jaicim, NB, Barber, SE (2019) Sit–stand desks to reduce sedentary behaviour in 9- to 10-year-olds: the Stand Out in Class pilot cluster RCT, Public Health Research, 8(8), pp.1-126, ISSN: 2050-4381. DOI: 10.3310/phr08080.

Massie, R, Smallcombe, J, Tolfrey, K (2019) Effects of a 12-week exercise intervention on subsequent compensatory behaviors in adolescent girls: An exploratory study, Pediatric Exercise Science, 31(4), pp.495-504, ISSN: 0899-8493. DOI: 10.1123/pes.2019-0012.

Stephenson, BT, Hoekstra, SP, Tolfrey, K, Goosey-Tolfrey, V (2019) High thermoregulatory strain during competitive paratriathlon racing in the heat, International Journal of Sports Physiology and Performance, 15(2), pp.231-237, ISSN: 1555-0265. DOI: 10.1123/ijspp.2019-0116.

Stephenson, B, Tolfrey, K, Goosey-Tolfrey, V (2019) Mixed active and passive, heart rate-controlled heat acclimation is effective for Paralympic and able-bodied triathletes, Frontiers in Physiology, 10, 1214, DOI: 10.3389/fphys.2019.01214.

Menon, JE, Stensel, D, Tolfrey, K, Burns, SF (2019) Increasing meal frequency in combination with exercise mitigates postprandial triacylglycerol, Journal of Physical Activity and Health, 16(8), ISSN: 1543-5474. DOI: 10.1123/jpah.2018-0696.

Smallcombe, J, Barrett, L, Sherar, L, Sedgwick, MJ, Slater, T, Tolfrey, K (2019) Short sprints accumulated at school modulate postprandial metabolism in boys, Medicine and Science in Sports and Exercise, 52(1), ISSN: 0195-9131. DOI: 10.1249/MSS.0000000000002121.

Stephenson, BT, Leicht, C, Tolfrey, K, Goosey-Tolfrey, V (2019) A multi-factorial assessment of elite paratriathletes’ response to two weeks of intensified training, International Journal of Sports Physiology and Performance, 14(7), pp.911-917, ISSN: 1555-0265. DOI: 10.1123/ijspp.2018-0838.

Stephenson, BT, Hynes, E, Leicht, C, Tolfrey, K, Goosey-Tolfrey, V (2019) Brief Report: Training load, salivary immunoglobulin A and illness incidence in elite paratriathletes, International Journal of Sports Physiology and Performance, ISSN: 1555-0273. DOI: 10.1123/ijspp.2018-0439.

Smallcombe, J, Barrett, L, Morris, JG, Sherar, L, Tolfrey, K (2018) Small-sided soccer in school reduces postprandial lipaemia in adolescent boys, Medicine and Science in Sports and Exercise, ISSN: 0195-9131. DOI: 10.1249/MSS.0000000000001702.

Clemes, S, Bingham, DD, Pearson, N, Chen, Y-L, Edwardson, CL, McEachan, RRC, Tolfrey, K, Cale, L, Richardson, G, Fray, M, Bandelow, S, Jaicim, NB, Salmon, J, Dunstan, DW, Barber, SE (2018) Stand Out in Class: restructuring the classroom environment to reduce sedentary behaviour in 9-10 year-olds – study protocol for a pilot cluster randomised controlled trial, Pilot and Feasibility Studies, ISSN: 2055-5784. DOI: 10.1186/s40814-018-0295-3.

Zakrzewski, JK, Wells, EK, Crawford, NSG, Afeef, SMO, Tolfrey, K (2018) Physical activity duration but not energy expenditure differs between daily and intermittent breakfast consumption in adolescent girls: a randomized crossover trial, Journal of Nutrition, ISSN: 0022-3166. DOI: 10.1093/jn/nxx055.

Tolfrey, K, Zakrzewski, JK, Thackray, A (2018) Metabolism and exercise during youth — The year that was 2017, Pediatric Exercise Science, ISSN: 0899-8493. DOI: 10.1123/pes.2017-0294.

Thackray, A, Barrett, L, Tolfrey, K (2017) Sex differences in postprandial lipaemia after acute high-intensity interval running in young people, Journal of Sports Sciences, ISSN: 0264-0414. DOI: 10.1080/02640414.2017.1409610.

Zakrzewski, JK, Plekhanova, T, Mandila, D, Lekatis, Y, Tolfrey, K (2017) Effect of breakfast omission and consumption on energy intake and physical activity in adolescent girls: a randomised controlled trial, British Journal of Nutrition, 118(5), pp.392-400, ISSN: 0007-1145. DOI: 10.1017/S0007114517002148.

Tolfrey, K, Zakrzewski-Fruer, JK, Smallcombe, J (2017) Metabolism and exercise during youth, Pediatric Exercise Science, 29(1), pp.39-44, ISSN: 0899-8493. DOI: 10.1123/pes.2017-0015.

Graham, T, Paulson, TAW, Perret, C, Tolfrey, K, Cordery, P, Goosey-Tolfrey, V (2017) Spinal cord injury level influences acute plasma caffeine responses, Medicine & Science in Sport & Exercise, ISSN: 0195-9131. DOI: 10.1249/MSS.0000000000001108.

Thackray, A, Barrett, L, Tolfrey, K (2016) High-intensity running and energy restriction reduces postprandial lipemia in girls, Medicine and Science in Sports and Exercise, 48(3), pp.402-411, ISSN: 0195-9131. DOI: 10.1249/MSS.0000000000000788.

Tolfrey, K (2016) Metabolism and exercise during youth, Pediatric exercise science, 28(1), pp.32-35, ISSN: 0899-8493. DOI: 10.1123/pes.2016-0010.

Thackray, A, Barrett, L, Tolfrey, K (2016) Energy replacement diminishes the effect of exercise on postprandial lipemia in boys, Metabolism: clinical and experimental, ISSN: 1532-8600. DOI: 10.1016/j.metabol.2015.12.001.

Henson, J, Davies, MJ, Bodicoat, DH, Edwardson, CL, Gill, JMR, Stensel, D, Tolfrey, K, Dunstan, DW, Khunti, K, Yates, TE (2015) Breaking up prolonged sitting with standing or walking attenuates the postprandial metabolic response in post-menopausal women: a randomised acute study, Diabetes Care, 39(1), pp.130-138, ISSN: 0149-5992. DOI: 10.2337/dc15-1240.

Thackray, A, Barrett, L, Tolfrey, K (2015) Acute effects of energy deficit induced by moderate-intensity exercise or energy-intake restriction on postprandial lipemia in healthy girls, PEDIATRIC EXERCISE SCIENCE, 27(2), pp.192-202, ISSN: 0899-8493. DOI: 10.1123/pes.2014-0096.

Bond, B, Williams, CA, Isic, C, Jackman, SR, Tolfrey, K, Barrett, L, Barker, AR (2015) Exercise intensity and postprandial health outcomes in adolescents, European Journal of Applied Physiology, 115(5), pp.927-936, ISSN: 1439-6319. DOI: 10.1007/s00421-014-3074-8.

Mansoubi, M, Pearson, N, Clemes, S, Biddle, SJH, Bodicoat, DH, Tolfrey, K, Edwardson, CL, Yates, TE (2015) Energy expenditure during common sitting and standing tasks: examining the 1.5 MET definition of sedentary behaviour, BMC PUBLIC HEALTH, 15, ISSN: 1471-2458. DOI: 10.1186/s12889-015-1851-x.

Massie, R, Smith, BM, Tolfrey, K (2015) Recommendations for recruiting and retaining adolescent girls in chronic exercise (training) research studies, Sports, 3(3), pp.219-235, ISSN: 2075-4663. DOI: 10.3390/sports3030219.

Leicht, CA, Griggs, KE, Lavin, J, Tolfrey, K, Goosey-Tolfrey, VL (2014) Blood lactate and ventilatory thresholds in wheelchair athletes with tetraplegia and paraplegia, Eur J Appl Physiol, 114(8), pp.1635-1643, DOI: 10.1007/s00421-014-2886-x.

Goosey-Tolfrey, VL, Paulson, TAW, Tolfrey, K, Eston, RG (2014) Prediction of peak oxygen uptake from differentiated ratings of perceived exertion during wheelchair propulsion in trained wheelchair sportspersons, Eur J Appl Physiol, 114(6), pp.1251-1258, DOI: 10.1007/s00421-014-2850-9.

Tolfrey, K, Thackray, AE, Barrett, LA (2014) Acute exercise and postprandial lipemia in young people, Pediatr Exerc Sci, 26(2), pp.127-137, DOI: 10.1123/pes.2013-0126.

Sindall, P, Lenton, JP, Malone, L, Douglas, S, Cooper, RA, Hiremath, S, Tolfrey, K, Goosey-Tolfrey, V (2014) Effect of low-compression balls on wheelchair tennis match-play, Int J Sports Med, 35(5), pp.424-431, DOI: 10.1055/s-0033-1354384.

Tolfrey, K, Engstrom, A, Murphy, C, Thackray, A, Weaver, R, Barrett, LA (2014) Exercise energy expenditure and postprandial lipemia in girls, Medicine and Science in Sports and Exercise, 46(2), pp.239-246, ISSN: 0195-9131. DOI: 10.1249/MSS.0b013e3182a59ab1.

Lenton, JP, Van Der Woude, L, Fowler, N, Nicholson, G, Tolfrey, K, Goosey-Tolfrey, V (2014) Hand-rim forces and gross mechanical efficiency in asynchronous and synchronous wheelchair propulsion: A comparison, International Journal of Sports Medicine, 35(3), pp.223-231, ISSN: 0172-4622. DOI: 10.1055/s-0033-1345178.

Sindall, P, Lenton, JP, Cooper, RA, Tolfrey, K, Goosey-Tolfrey, V (2014) Data logger device applicability for wheelchair tennis court movement, Journal of Sports Sciences, 33(5), pp.527-533, ISSN: 0264-0414. DOI: 10.1080/02640414.2014.949829.

(2013) Children and Exercise XXVIII, DOI: 10.4324/9780203404584.

Ingle, L and Tolfrey, K (2013) The variability of high intensity exercise tests in pre-pubertal boys, International Journal of Sports Medicine, 34(12), pp.1063-1069, ISSN: 0172-4622. DOI: 10.1055/s-0032-1327714.

Thackray, AE, Barrett, LA, Tolfrey, K (2013) Acute High-Intensity Interval Running Reduces Postprandial Lipemia in Boys, Med Sci Sports Exerc, 45(7), pp.1277-1284, DOI: 10.1249/MSS.0b013e31828452c1.

Sindall, P, Lenton, JP, Whytock, K, Tolfrey, K, Oyster, ML, Cooper, RA, Goosey-Tolfrey, VL (2013) Criterion validity and accuracy of global positioning satellite and data logging devices for wheelchair tennis court movement, J Spinal Cord Med, 36(4), pp.383-393, ISSN: 1079-0268. DOI: 10.1179/2045772312Y.0000000068.

Croft, L, Lenton, J, Tolfrey, K, Goosey-Tolfrey, V (2013) The effects of experience on the energy cost of wheelchair propulsion, Eur J Phys Rehabil Med, xxxx(xxxx), pp.xxxx-xxxx.

Leicht, CA, Tolfrey, K, Lenton, JP, Bishop, NC, Goosey-Tolfrey, VL (2013) Erratum: The verification phase and reliability of physiological parameters in peak testing of elite wheelchair athletes (European Journal of Applied Physiology DOI: 10.1007/s00421-012-2441-6), European Journal of Applied Physiology, 113(2), p.347, ISSN: 1439-6319. DOI: 10.1007/s00421-012-2546-y.

Leicht, CA, Tolfrey, K, Lenton, JP, Bishop, NC, Goosey-Tolfrey, VL (2013) The verification phase and reliability of physiological parameters in peak testing of elite wheelchair athletes, European Journal of Applied Physiology, 113(2), pp.337-345, DOI: 10.1007/s00421-012-2441-6.

Sindall, P, Lenton, JP, Tolfrey, K, Cooper, RA, Oyster, M, Goosey-Tolfrey, VL (2013) Wheelchair Tennis Match-Play Demands: Effect of Player Rank and Result, INTERNATIONAL JOURNAL OF SPORTS PHYSIOLOGY AND PERFORMANCE, 8(1), pp.28-37, ISSN: 1555-0265. DOI: 10.1123/ijspp.8.1.28.

Zakrzewski, JK and Tolfrey, K (2012) Acute effect of Fat(max) exercise on the metabolism in overweight and nonoverweight girls, Medicine and Science in Sports and Exercise, 44(9), pp.1698-1705, ISSN: 0195-9131. DOI: 10.1249/MSS.0b013e31825804cf.

Mason, BS, Van der Woude, LHV, Tolfrey, K, Lenton, JP, Goosey-Tolfrey, VL (2012) Effects of Wheel and Hand-Rim Size on Submaximal Propulsion in Wheelchair Athletes, MEDICINE AND SCIENCE IN SPORTS AND EXERCISE, 44(1), pp.126-134, ISSN: 0195-9131. DOI: 10.1249/MSS.0b013e31822a2df0.

Zakrzewski, JK and Tolfrey, K (2012) Comparison of fat oxidation over a range of intensities during treadmill and cycling exercise in children, European Journal of Applied Physiology, 112(1), pp.163-171, ISSN: 1439-6319. DOI: 10.1007/s00421-011-1965-5.

Mason, B, van der Woude, L, Tolfrey, K, Goosey-Tolfrey, V (2012) The effects of rear-wheel camber on maximal effort mobility performance in wheelchair athletes, International Journal of Sports Medicine, 33(3), pp.199-204, ISSN: 0172-4622. DOI: 10.1055/s-0031-1295443.

Tolfrey, K, Bentley, C, Goad, M, Varley, J, Willis, S, Barrett, L (2012) Effect of energy expenditure on postprandial triacylglycerol in adolescent boys, European Journal of Applied Physiology, 112(1), pp.23-31, DOI: 10.1007/s00421-011-1936-x.

Lenton, JP, van der Woude, LHV, Fowler, NE, Nicholson, G, Tolfrey, K, Goosey-Tolfrey, VL (2012) Hand-rim Forces and Gross Mechanical Efficiency at Various Frequencies of Wheelchair Propulsion, International Journal of Sports Medicine, ISSN: 0172-4622.

Zakrzewski, JA and Tolfrey, K (2012) Effect of breakfast glycemic index on metabolic responses during rest and exercise in overweight and non-overweight adolescent girls, European Journal of Clinical Nutrition, 66(4), pp.436-442, DOI: 10.1038/ejcn.2011.175.

Boddy, LM, Thomas, NE, Fairclough, SJ, Tolfrey, K, Brophy, S, Rees, A, Knox, G, Baker, JS, Stratton, G (2012) ROC generated thresholds for field-assessed aerobic fitness related to body size and cardiometabolic risk in schoolchildren, PLoS One, 7(9), e45755, DOI: 10.1371/journal.pone.0045755.

Tolfrey, K and Zakrzewski, JK (Accepted for publication) Breakfast, metabolism and health in young people, International Journal of Sport and Health Science, 1(3), pp.149-159, DOI: 10.1016/j.jshs.2012.09.001.

Sedgwick, MJ, Morris, JG, Nevill, ME, Tolfrey, K, Barrett, LA (2012) Effect of high-fat meals and exercise on endothelial function in adolescent boys, The British Journal of Nutrition: an international journal of nutritional science, 10, pp.1-9, DOI: 10.1017/S0007114512004977.

Lenton, JP, van der Woude, LHV, Fowler, N, Nicholson, G, Tolfrey, K, Goosey-Tolfrey, VL (2012) Hand-rim forces and gross mechanical efficiency at various frequencies of wheelchair propulsion, International Journal of Sports Medicine, 34(2), pp.158-164, DOI: 10.1055/s-0032-1311650.

Goosey Tolfrey, VL, West, M, Lenton, JP, Tolfrey, K (2011) Influence of varied tempo music on wheelchair mechanical efficiency following 3-week practice, International Journal of Sports Medicine, 32(2), pp.126-131, DOI: 10.1055/s-0030-1268439.

Zakrzewski, J and Tolfrey, K (2011) Fatmax in children and adolescents: A review, European Journal of Sport Science, 11(1), pp.1-18, ISSN: 1746-1391. DOI: 10.1080/17461391003770525.

Zakrzewski, JK and Tolfrey, K (2011) Exercise protocols to estimate Fatmax and maximal fat oxidation in children, Pediatric Exercise Science, 23(1), pp.122-135.

Tolfrey, K and Morse, CI (2011) Commentaries on viewpoint: Can muscle size fully account for strength differences between children and adults? Muscle size and strength, Journal of Applied Physiology, 110(6), pp.1750-1753, ISSN: 8750-7587. DOI: 10.​1152/​japp.hysiol.​00371.​2011.

Tolfrey, K, Jeukendrup, AE, Batterham, AM (2010) Group- and individual-level coincidence of the 'Fatmax' and lactate accumulation in adolescents, European Journal of Applied Physiology, 109(6), pp.1145-1153, ISSN: 1439-6319. DOI: 10.1007/s00421-010-1453-3.

Goosey Tolfrey, VL, Lenton, JP, Goddard, J, Oldfield, V, Tolfrey, K, Eston, R (2010) Regulating intensity using perceived exertion in spinal cord-injured participants, Medicine and Science in Sports and Exercise, 42(3), pp.608-613, ISSN: 0195-9131. DOI: 10.1249/MSS.0b013e3181b72cbc.

Tolfrey, K (2010) American Heart Association guidelines for preventing heart disease in women:2007 update, The Physician and Sportsmedicine, 38(1), pp.162-164, ISSN: 0091-3847. DOI: 10.3810/psm.2010.04.1774.

Tolfrey, K (2009) Effects of aerobic exercise on non-high-density lipoprotein cholesterol in children and adolescents: a meta-analysis of randomized controlled trials, The Physician and Sports Medicine, 37(2), pp.162-164, ISSN: 0091-3847.

Tolfrey, K, Hansen, SA, Dutton, K, McKee, T, Jones, AM (2009) Physiological correlates of two-mile run performance as determined using a novel on-demand treadmill, Applied Physiology Nutrition and Metabolism, 34(4), pp.763-772, ISSN: 1715-5312.

Goosey Tolfrey, VL, Diaper, N, Crosland, J, Tolfrey, K (2008) Fluid intake during wheelchair exercise in the heat: Effects of localized cooling garments, International Journal of Sports Physiology and Performance, 3(2), pp.145-156.

Goosey Tolfrey, VL, Swainson, MG, Boyd, C, Atkinson, G, Tolfrey, K (2008) The effectiveness of hand cooling at reducing exercise-induced hyperthermia and improving distance-race performance in wheelchair and able-bodied athletes, Journal of Applied Physiology, 105(1), pp.37-43.

Morse, CI, Tolfrey, K, Thom, JM, Vassilopoulos, V, Maganaris, CN, Narici, MV (2008) Gastrocnemius muscle specific force in boys and men, Journal of Applied Physiology, 104(2), pp.469-474, ISSN: 8750-7587.

Eisenmann, JC and Tolfrey, K (2008) Genetics and pediatric exercise science: a brief commentary and review, Pediatric Exercise Science, 20(2), pp.229-239, ISSN: 0899-8493.

Tolfrey, K, Doggett, A, Boyd, C, Pinner, S, Sharples, A, Barrett, LA (2008) Postprandial triacylglycerol in adolescent boys: a case for moderate exercise, Medicine and Science in Sports and Exercise, 40(6), pp.1049-1056, ISSN: 0195-9131.

Goosey Tolfrey, VL and Tolfrey, K (2008) The multistage fitness test as a predictor of endurance fitness in wheelchair athletes, Journal of Sports Sciences, 26(5), pp.511-517.

Ingle, L, Sleap, M, Tolfrey, K (2006) The effect of a complex training and detraining programme on selected strength and power variables in early pubertal boys, JOURNAL OF SPORTS SCIENCES, 24(9), pp.987-997, ISSN: 0264-0414. DOI: 10.1080/02640410500457117.

Tolfrey, K, Barker, A, Thorn, JM, Morse, CI, Narici, MV, Batterham, AM (2006) Scaling of maximal oxygen uptake by lower leg muscle volume in boys and men, Journal of Applied Physiology, 100(6), pp.1851-1856, ISSN: 1522-1601. DOI: 10.1152/japp.hysiol.01213.2005.

Berger, NJ, Rittweger, J, Kwiet, A, Michaelis, I, Williams, AG, Tolfrey, K, Jones, AM (2006) Pulmonary O₂ uptake on-kinetics in endurance- and sprint-trained Master athletes, International Journal of Sports Medicine, 27(12), pp.1005-1012.

Berger, NJA, Tolfrey, K, Williams, AG, Jones, AM (2006) Influence of continuous and interval training on oxygen uptake on-kinetics, Medicine and Science in Sports and Exercise, 38(3), pp.504-512.

Tolfrey, K, Barker, A, Thom, JM, Morse, CI, Narici, MV, Batterham, AM (2006) Scaling maximum oxygen uptake using lower leg muscle volume provides further insight into the pitfalls of whole body-mass power laws - Reply, Journal of Applied Physiology, 101(3), pp.1006-1007, ISSN: 8750-7587.

Tolfrey, K, Barker, A, Thom, JM, Morse, CI, Narici, MV, Batterham, AM (2006) Quantification of active muscle mass during experimental exercise - Reply, Journal of Applied Physiology, 101(5), pp.1535-1535, ISSN: 8750-7587. DOI: 10.1152/japp.hysiol.00693.2006.

George, KP, Gates, PE, Tolfrey, K (2005) The impact of aerobic training upon left ventricular morphology and function in pre-pubescent children, Ergonomics, 48(11-14), pp.1378-1389.

Martin, JA, Tolfrey, K, Smith, NC, Jones, AM (2005) Heart rate responses of rugby union referees in the English Premiership, Journal of Human Movement Studies, 48(3), pp.211-225.

Tolfrey, K, Jones, AM, Campbell, IG (2004) Lipid-lipoproteins in children: an exercise dose-response study, Medicine and Science in Sports and Exercise, 36(3), pp.418-427, ISSN: 1530-0315. DOI: 10.1249/01.MSS.0000117132.70711.2B.

Almarwaey, OA, Jones, AM, Tolfrey, K (2004) Maximal lactate steady state (MLaSS) in trained adolescent runners, Journal of Sports Sciences, 22(1), pp.227-231, ISSN: 1466-447X. DOI: 10.1080/02640410310001641520.

Goosey Tolfrey, VL and Tolfrey, K (2004) The oxygen uptake-heart rate relationship in trained female wheelchair athletes, Journal of Rehabilitation Research and Development, 41(3B), pp.415-420.

Stratton, G, Jones, M, Fox, KR, Tolfrey, K, Harris, J, Maffulli, N, Lee, M, Frostick, SP (2004) BASES position statement on guidelines for resistance exercise in young people, Journal of Sports Sciences, 22(4), pp.383-390.

Sakkas, GK, Ball, D, Mercer, T, Tolfrey, K, Sargeant, AJ, Naish, PF (2003) Atrophy of non-locomotory muscle in patients with end stage renal failure, Nephrology Dialysis Transplantation, 18(10), pp.2074-2081.

Pringle, JSM, Doust, JH, Carter, H, Tolfrey, K, Jones, AM (2003) Effect of pedal rate on primary and slow-component oxygen uptake responses during heavy-cycle exercise, Journal of Applied Physiology, 94(4), pp.1501-1507.

Goosey Tolfrey, VL, Batterham, AM, Tolfrey, K (2003) Scaling behaviour of peak oxygen uptake in trained wheelchair athletes, Medicine and Science in Sports and Exercise, 35(12), pp.2106-2111, ISSN: 1530-0315. DOI: 10.1249/01.MSS.0000099106.33943.8C.

Almarwaey, OA, Jones, AM, Tolfrey, K (2003) Physiological correlates with endurance running performance in trained adolescents, Medicine and Science in Sports and Exercise, 35(3), pp.480-487.

Pringle, JSM, Doust, JH, Carter, H, Tolfrey, K, Campbell, IT, Sakkas, GK, Jones, AM (2003) Oxygen uptake kinetics during moderate, heavy and severe intensity 'submaximal' exercise in humans: the influence of muscle fibre type and capillarisation, European Journal of Applied Physiology, 89(3-4), pp.289-300.

Tolfrey, K (2002) Intra-individual variability of children's blood lipid and lipoprotein concentrations: A review, Preventive Cardiology, 5(3), pp.145-151.

Morriss, CJ, Tolfrey, K, Coppack, RJ (2001) Effects of short-term isokinetic training on standing long-jump performance in untrained men, Journal of Strength and Conditioning Research, 15(4), pp.498-502.

Sleap, M and Tolfrey, K (2001) Do 9-12 year-old children meet existing physical activity recommendations for health?, Medicine and Science in Sports and Exercise, 33(4), pp.591-596, ISSN: 1530-0315. DOI: 10.1097/00005768-200104000-00013.

Martin, J, Smith, NC, Tolfrey, K, Jones, AM (2001) Activity analysis of English premiership rugby football union refereering, Ergonomics, 44(12), pp.1069-1075.

Tolfrey, K, Goosey-Tolfrey, VL, Campbell, IG (2001) Oxygen uptake-heart rate relationship in elite wheelchair racers, European Journal of Applied Physiology, 86(2), pp.174-178, ISSN: 1439-6319. DOI: 10.1007/s004210100493.

Tolfrey, K, Jones, AM, Campbell, IG (2000) The effect of aerobic exercise training on the lipid-lipoprotein profile of children and adolescents, Sports Medicine, 29(2), pp.99-112.

Tolfrey, K, Campbell, IG, Jones, AM (1999) Selected predictor variables and the lipid-lipoprotein profile of prepubertal girls and boys, Medicine and Science in Sports and Exercise, 31(11), pp.1550-1557.

Tolfrey, K, Campbell, IG, Jones, AM (1999) Intra-individual variation of plasma lipids and lipoproteins in prepubescent children, European Journal of Applied Physiology, 79(5), pp.449-456.

Tolfrey, K, Campbell, IG, Batterham, AM (1998) Aerobic trainability prepubertal boys and girls, Pediatric Exercise Science, 10(3), pp.248-263.

Tolfrey, K, Campbell, IG, Batterham, AM (1998) Exercise training induced alterations in prepubertal children's lipid-lipoprotein profile, Medicine and Science in Sports and Exercise, 30(12), pp.1684-1692.

Batterham, AM, Tolfrey, K, George, KP (1997) Nevill's explanation of Kleiber's 0.75 mass exponent: A fortuitous artifact of collinearity in the least squares models? Journal of Applied Physiology, 82(2), pp.693-697.

Batterham, AM, Tolfrey, K, George, KP (1997) Collinearity: A function of the sample size, range, and similarity of observations - Reply, Journal of Applied Physiology, 83(6), pp.2167-2168, ISSN: 8750-7587.

Tolfrey, K and Armstrong, N (1995) Child-adult differences in whole blood lactate responses to incremental treadmill exercise, British Journal of Sports Medicine, 29(3), pp.196-199.

Conferences

Tolfrey, K, Thackray, AE, Barrett, LA (2014) Moderate exercise, energy intake restriction and postprandial triacylglycerol in healthy girls. In Paediatric Work Physiology, Children and Exercise XXVIII: The Proceedings of the 28th Paediatric Work Physiology Meeting, Coimbra, Portugal, pp.89-92, ISBN: 978-0-415--82972-4.

Massie, R, Risley, K, Tolfrey, K (2013) Chronic exercise energy expenditure and compensatory behaviours in adolescent girls - a feasibility study. In British Feeding and Drinking Meeting, Appetite, Loughborough, UK, pp.471-471, DOI: 10.1016/j.appet.2013.06.045.

Tolfrey, K, Barrett, LA, Thackray, AE (2013) Acute energy intake restriction, moderate intensity exercise and postprandial plasma triacylglycerol concentration in girls. In British Feeding and Drinking Meeting, Appetite, Loughborough, UK, pp.487-487, DOI: 10.1016/j.appet.2013.06.068.

Pearson, N and Tolfrey, K (2013) Who to ask about dietary intake and when? Agreement between parental and child reporting of fruit, vegetable and energy-dense snack food intake. In International Society for Behavioral Nutrition and Physical Activity, Ghent, Belgium, pp.xxxx-xxxx.

Tolfrey, K (2012) Children’s metabolism: exercise and breakfast effects. In International Sports Science Symposium Active Life, Waseda University Tokyo, pp.x-x.

Tolfrey, K and Zakrzewski, JK (2012) Effect of exercise mode on fat oxidation and Fatmax in pre- to early pubertal girls and boys. In Paediatric Work Physiology (PWP), Morgan Porth UK, pp.77-81.

Tolfrey, K (2012) Postprandial lipaemia in young people. In North American Society for Pediatric Exercise Medicine Annual Conference, Philadelphia, USA, pp.x-x.

Tolfrey, K, Engstrom, A, Murphy, C, Thackray, A, Weaver, R, Barrett, LA (2012) Exercise energy expenditure and postprandial lipaemia in girls. In American College of Sport Medicine Annual Conference, Medicine and Science in Sports and Exercise, San Francisco, pp.S618-S618.

Campolier, M, Duncan, MJ, Hankey, J, Birch, SL, Tolfrey, K (2012) Relationships between Fatmax, Maximal Fat Oxidation, Physical Activity, VO2peak and Body Fatness in pre-pubertal children. In Annual Congress of the European College of Sports Science, x, Bruges, Belgium, pp.x-x.

Campolier, M, Duncan, MJ, Hankey, J, Birch, SL, Tolfrey, K (2012) The effect of high intensity interval training on Fatmax and maximal rates of fat oxidation in pre-pubertal children. In World Congress on Prevention of Diabetes and its Complications, x, Madrid, Spain, pp.x-x.

Zakrzewski, JK and Tolfrey, K (2011) Acute effect of fatmax exercise on glycaemia, insulinaemia and fat oxidation in overweight and non-overweight adolescent girls. In European College of Sport Science Annual Congress, Liverpool, pp.x-x.

Varela Silva, MIO, Kerin, E, Clemes, S, Tolfrey, K (2011) Accuracy and validity of three ambulatory devices in estimating energy expenditure. In Society for the Study of Human Biology Proffereed papers conference,.

Tolfrey, K (2011) Metabolic health in young people. In Singapore Defence Science Organisation (DSO), Joint Symposium on Exercise and Sports Science, Singapore.

Croft, LE, Tolfrey, K, Goosey-Tolfrey, VL (2011) Energy expenditure and physiological responses between classification groups in wheelchair basketball. In VISTA - International Paralympic Committee (IPC) Conference, Bonn, Germany, pp.x-x.

Sindall, P, Lenton, JP, Tolfrey, K, Goosey-Tolfrey, VL (2011) Wheelchair tennis match play demands: the effects of playing experience. In VISTA – International Paralympic Committee (IPC) Conference, Bonn, Germany, pp.x-x.

Mason, BM, Woude, VDLHV, Tolfrey, K, Goosey-Tolfrey, VL (2011) An Investigation into the role of rear-wheel camber upon optimal mobility performance in wheelchair athletes. In VISTA – International Paralympic Committee (IPC) Conference, Bonn- Germany, pp.x-x.

Croft, L, Tolfrey, K, Goosey Tolfrey, VL (2010) Resting energy expenditure in relation to fat free mass in elite wheelchair sportsmen. In BASES Annual Conference, Glasgow, UK, p.76.

Zakrzewski, JK and Tolfrey, K (2010) Effect of breakfast glycaemic index on fat oxidation during rest and exercise in overweight and non-overweight adolescent girls. In BASES Annual Conference, Glasgow, UK.

Tolfrey, K (2010) Effect of moderate exercise duration on postprandial triacylglycerol metabolism in adolescent boys. In NASPEM/PWP, Niagara-on-the-Lake, Canada, p.23.

Zakrzewski, JK and Tolfrey, K (2010) Effect of breakfast glycaemic index (GI) on glucose, insulin and fat oxidation in over-weight and non-overweight adolescents girls. In School and Community Breakfast Clubs - Delivery to Impact, Newcastle, UK.

Tolfrey, K and Zakrzewski, JK (2010) Metabolic health in young people. In Institute of Youth Sport - Researching Youth Sport Conference, Loughborough, UK.

Tolfrey, K (2010) Nutritional considerations for active young people. In Milk in Action: Sports Nutrition for Active Young People, Dairy Council, London, UK.

Goosey Tolfrey, VL, Atkinson, G, Tolfrey, K (2009) An exploratory study of the reliability and agreement between intestinal and auditory canal temperature measurements in spinal cord injured athletes. In British Paralympic Association Annual Sport Science, Medicine and Coaching Conference, Loughborough, UK, pp.162-164.

Tolfrey, K (2009) 'Fatmax' and the lactate response to exercise in adolescents. In PWP XXV, Le Touquet, France, p.76.

Swainson, M, Boyd, C, Tolfrey, K, Goosey Tolfrey, VL (2008) The effectiveness of hand cooling on thermoregulatory and physiological responses in wheelchair and able-bodied athletes during exercise in the heat. In British Paralympic Association Annual Sport Science, Medicine and Coaching Conference, Loughborough, UK, pp.162-164.

Davis, N, Tolfrey, K, Stewart, C, Cornish, J, Stevens, M, Elson, R, Crowne, E (2008) Body composition, cardiovascular risk and fitness testing in survivors of BMT in childhood. In 3rd Academic Paediatrics Association of GB & Ireland, Institute of Health, pp.54-55.

Davis, N, Tolfrey, K, Elson, R, Stewart, C, Kendrick, A, Cornish, J, Stevens, M, Crowne, E (2008) Body composition, aerobic fitness, ECHOs and lung function tests in survivors of bone marrow transplantation (BMT) in childhood on growth hormone treatment (GHTx). In British Society for Paediatric Endocrinology and Diabetes, Endocrine abstracts, Swansea, UK, pp.54-55.

Davis, N, Tolfrey, K, Elson, R, Kendrick, A, Stewart, C, Cornish, J, Stevens, M, Crowne, E (2008) Fitness testing in child, adolescent, and young adult survivors of bone marrow transplantation (BMT) on growth hormone therapy. In 10th International conference of long-term complications of treatment of children and adolescents for cancer, Niagara-on-the-Lake, Canada, p.76.

Tolfrey, K (2008) Metabolic and vascular aspects of health in young people. In BASES Annual Conference, Brunel, UK.

Tolfrey, K, Doggett, A, Boyd, C, Pinner, S, Sharples, A, Barrett, LA, Stensel, DJ (2007) Postprandial triacylglycerol (TAG) metabolism in adolescent boys: a case for moderate intensity exercise. In PWP XXIV, Acta Kinesiologiae Universitatis Tartuensis (Paediatric Work Physiology XXIV), Tallinn, Estonia, pp.188-189.

Berger, N, Tolfrey, K, Jones, A (2005) Influence of continuous and interval training on the kinetics of pulmonary oxygen uptake. In BASES Annual Conference,, Journal of Sports Sciences, Loughborough, UK, pp.1179-1180.

Diaper, N, Tolfrey, K, Goosey Tolfrey, VL (2005) Physiological effects of a cooling strategy on spinal cord-injured athletes during simulated wheelchair tennis in the heat. In BASES Annual Conference, Journal of Sports Sciences, Loughborough, UK, p.1186.

Tolfrey, K, Barker, A, Thom, J, Morse, C, Batterham, AM (2005) Differences in maximal oxygen uptake (VO2 max) between boys and men after scaling using in-vivo measurements of muscle size. In BASES Annual Conference, Journal of Sports Sciences, Loughborough, UK, pp.1229-1230.

Tolfrey, K (2005) Prediction of aerobic demand in children: A cross-validation study. In ACSM, Medicine and Science in Sports and Exercise, Nashville, USA, pp.S17-S18.

Berger, NJA, Rittweger, J, Tolfrey, K, Jones, AM (2005) Pulmonary O2 uptake kinetics in sprint and endurance trained master athletes. In ACSM, Medicine and Science in Sports and Exercise, Nashville, USA, S362.

George, KP, Gates, PE, Tolfrey, K (2005) The impact of aerobic training upon left ventricular morphology and function in pre-pubescent children. In Sport, Leisure and Ergonomics Conference, Ergonomics, Burton Manor, UK, S362.

Berger, NJA, Tolfrey, K, Williams, AG, Poole, DC, Jones, AM (2005) Effects of endurance training on the oxygen uptake-work rate slope during ramp exercise in humans. In BASES Annual Conference, Journal of Sports Sciences, Liverpool, UK, pp.135-136.

Martin, J, Tolfrey, K, Smith, N, George, K, Jones, A (2003) The development and validation of a field-based fitness test for rugby union referees. In 12th Commonwealth International Sport Conference, JOURNAL OF SPORTS SCIENCES, MANCHESTER, ENGLAND, pp.282-282.

Tolfrey, K, Morse, C, Thom, J, Vassilopoulos, V, Narici, MV (2003) Plantar flexion torque per unit muscle cross-sectional area is similar in boys and young men. In PWP XXII, Portuguese Journal of Sport Sciences, Porto, Portugal, pp.78-79.

Pringle, JSM, Doust, JH, Carter, H, Tolfrey, K, Jones, AM (2003) Effect of pedal rate on oxygen uptake kinetics during sub-maximal cycle exercise in humans. In Physiological Society Meeting, Journal of Physiology, University College London, UK, C122.

Biltz, G, Dutta, P, Tolfrey, K, Johnson, P (2003) Data envelopment analysis: a contingent approach to exercise effect on lipoproteins. In NASPEM, Pediatric Exercise Science, Michigan, USA, p.100.

Martin, JA, Tolfrey, K, Smith, NC, Jones, AM (2003) The development and validation of a field-based fitness test for rugby football union referees. In BASES Annual Conference, Journal of Sports Sciences, Manchester, UK, p.282.

Tolfrey, K, Almarwaey, OA, Diaper, N, Jones, AM (2003) Reliability of the blood lactate response during an incremental treadmill exercise test in adolescent athletes. In NASPEM, Pediatric Exercise Science, Michigan, USA, p.114.

Ingle, L, Sleap, M, Gates, PE, Tolfrey, K (2002) The effects of 12 weeks of detraining after an isotonic resistance training programme in pre-pubertal boys. In BASES Annual Conference, Journal of Sports Sciences, Newport, UK, pp.52-53.

Pringle, JSM, Doust, JH, Carter, H, Campbell, IT, Tolfrey, K, Jones, AM (2002) Influence of muscle fibre type on oxygen uptake kinetics during moderate, heavy, and severe intensity cycle exercise. In Physiological Society Meeting, Journal of Physiology, Cambridge, UK, pp.55-56.

Tolfrey, K, Almarwaey, OA, Abbott, J, Satherley, H, Jones, AM (2002) Maximum lactate steady state in trained adolescent boys and girls. In ACSM, Medicine and Science in Sports and Exercise, St Louis, USA, S86.

Jones, AM, Martin, JA, Tolfrey, K (2002) Effect of inspiratory muscle training on ramp exercise test performance. In ECSS, Athens, Greece, p.588.

Ingle, L, Sleap, M, Gates, PE, Tolfrey, K (2002) The effects of 12 weeks of detraining after an isotonic resistance training programme in pre-pubertal boys. In Annual Conference of the British-Association-of-Sport-and-Exercise-Sciences (BASES), JOURNAL OF SPORTS SCIENCES, NEWPORT, WALES, pp.52-53.

Pringle, JSM, Doust, JH, Carter, H, Campbell, IT, Tolfrey, K, Jones, AM (2002) Influence of muscle fibre type on oxygen uptake kinetics during submaximal cycle exercise in humans. In Physiological Society, Journal of Physiology-London, Cambridge, pp.55P-56P.

Tolfrey, K, Almarawey, OA, Bracken, R, Alfrey, C, Jones, AM (2001) The relationship between fixed blood lactate reference values and 1500 m running performance in endurance trained teenage boys and girls. In BASES Annual Conference, Journal of Sports Sciences, Liverpool, UK, pp.64-65.

Martin, JA, Tolfrey, K, Smith, NC, Jones, AM (2001) The energetic and physiological demands of elite-level rugby football union refereeing. In BASES Annual Conference, Journal of Sports Sciences, Liverpool, UK, pp.54-55.

Tolfrey, K (2001) Physiological adaptations to physical activity in girls: an overview. In The First International Scientific Congress of Girls' Physical Education, Tehran, Iran, p.23.

Tolfrey, K (2001) The lipid-lipoprotein profiles of young people - an overview. In BASES Annual Conference, Nweport, UK, p.23.

Biltz, G, Dutta, P, Tolfrey, K, Johnson, P (2001) Data envelopment analysis: a contingent approach to exercise effect on lipoproteins. In PWP XXI, Pediatric Exercise Science, Cosendonk, Belgium, p.284.

Tolfrey, K, Almarwaey, OA, Abbott, J, Satherley, H, Jones, AM (2001) Maximum lactate steady state (MLaSS) in endurance trained, adolescent runners. In PWP XXI, Pediatric Exercise Science, Corsendonk, Belgium, pp.306-307.

Ingle, L, Sleap, M, Gates, PE, Tolfrey, K (2001) The effects of 12 weeks of isotonic resistance training in prepubertal boys. In ECSS, Medical Publisher, Cologne, Germany, p.588.

Martin, JA, Smith, NC, Tolfrey, K, Jones, AM (2001) Match analysis of Premiership rugby football union refereeing. In BASES Annual Conference, Journal of Sports Sciences, Liverpool, UK, pp.23-24.

Tolfrey, K and Campbell, IG (1999) Short-term variation of children's total cholesterol and low density lipoprotein-cholesterol concentrations, the effect on NCEP classification. In NASPEM Biennial Meeting, Pediatric Exercise Science, University of Massachusetts, USA, pp.185-186.

Goosey Tolfrey, VL, Tolfrey, K, Campbell, IG (1999) Do target heart rates for wheelchair athletes correspond to the guidelines for exercise prescription for the able-bodied population?. In Woude, LHVVD, Hopman, MTE, eds, CHVK (ed) Proceedings of the Biomedical aspects of manual wheelchair propulsion: The state of the art II, Amsterdam, pp.41-42.

Tolfrey, K, Campbell, IG, Jones, AM (1999) Exercise volume and its effect on the lipid-lipoprotein profile of prepubertal children. In PWP XX, Pediatric Exercise Science, Rome, Italy, p.262.

Goosey Tolfrey, VL, Tolfrey, K, Campbell, IG (1998) Do target heart rates for wheelchair athletes correspond to the guidelines for exercise prescription for the able-bodied population?. In BASES Annual Conference, Journal of Sports Sciences, York, UK, pp.48-49.

Tolfrey, K and Campbell, IG (1998) Children's lipoprotein response to exercise training. In The Centre for Health Care Development, ECSS, Manchester, UK, p.188.

Goosey, VL, Tolfrey, K, Campbell, IG (1998) Do target heart rates for wheelchair athletes correspond to the guidelines for exercise prescription for the able-bodied population?. In , Journal of Sports Sciences, pp.48-49.

Tolfrey, K, Campbell, IG, Batterham, AM (1997) Selected predictor variables and lipid-lipoprotein profile in prepubertal children. In PWP XIX, European Journal of Physical Education, Mortonhampstead, UK, pp.141-142.

Tolfrey, K and Mitchell, J (1996) Rating of perceived exertion at standard and relative exercise intensities in prepubertal, teenage, and young adult males. In BASES Annual Conference, Journal of Sports Sciences, Belfast, pp.101-102.

Batterham, AM and Tolfrey, K (1996) Intraspecific allometry of aerobic exercise in prepubescent children. In ACSM, Medicine and Science in Sports and Exercise, Cincinnati, USA, S103.

Tolfrey, K and Armstrong, N (1992) The relationship between blood lactate responses to incremental exercise and age. In BASES Annual Conference, Journal of Sports Sciences, Edinburgh, UK, pp.563-564.

Tolfrey, K and Armstrong, N (1992) The relationship between blood lactate responses to incremental exercise and age. In , Journal of Sports Sciences, pp.563-564.

Chapters

Williams, C, McNarry, M, Tolfrey, K (2022) Exercise testing in children. In Sport and Exercise Physiology Testing Guidelines: Volume II - Exercise and Clinical Testing: The British Association of Sport and Exercise Sciences Guide, pp.277-283, ISBN: 9780367492397. DOI: 10.4324/9781003045267-41.

Duncan, MJ and Tolfrey, K (2018) Research studies with children. In Research Methods in Physical Activity and Health, pp.238-246, ISBN: 9781138067677. DOI: 10.4324/9781315158501-22.

Tolfrey, K and Smallcombe, J (2017) High-intensity interval training. In Paediatric Exercise Science and Medicine, © Oxford University Press (OUP), pp.477-491, ISBN: 9780198757672.

Zakrzewski, JK and Tolfrey, K (2016) Carbohydrate needs of the young athlete. In Sports Nutrition Needs for Child and Adolescent Athletes, © CRC Press, pp.35-57, ISBN: 9781466579750.

Tolfrey, K, Zakrzewsji, JK, Cooper, SB, Nevill, ME (2012) Breakfast, metabolism, health and cognitive function. In Reviews in Pediatric Exercise Science, Nova, pp.43-65.

Tolfrey, K (2008) The elite athlete: maximal intensity and strength training. In Armstrong, N and Mechelen, WV (ed) Paediatric Exercise Science and Medicine, Oxford University Press, pp.531-549.

Tolfrey, K (2007) Responses to training. In Paediatric Exercise Physiology: Advances in Sport and Exercise Science series, pp.213-234, ISBN: 9780443102608. DOI: 10.1016/B978-0-443-10260-8.50015-1.

Tolfrey, K (2007) Responses to Training. In Armstrong, N (ed) Paediatric Exercise Physiology, Elsevier, pp.213-234.

Datasets

Afeef, S, Barrett, L, Zakrzewski-Fruer, J, Tolfrey, K (2022) Supplementary information files for Postprandial glucose responses to standardised meals consumed after moderate- and high-intensity exercise bouts across standard school days in healthy adolescents, DOI: 10.17028/rd.lboro.21533772.

Arlegui, L, Smallcombe, JW, Fournet, D, Tolfrey, K, Havenith, G (2021) Supplementary Information Files for: Body mapping of sweating patterns of pre-pubertal children during intermittent exercise in a warm environment, DOI: 10.17028/rd.lboro.19096406.

Other

Reeves, N, Draper, N, Lane, KN, Neric, F, Tolfrey, K, Davison, K (2022) Introducing the International Confederation of Sport and Exercise Science Practice (ICSESP). DOI: 10.1136/bjsports-2022-106014.