Links to the research behind the science can be found below.
References
1. Al Attar, W. S. A., Soomro, N., Sinclair, P. J., Pappas, E., & Sanders, R. H. (2017). Effect of Injury Prevention Programs that Include the Nordic Hamstring Exercise on Hamstring Injury Rates in Soccer Players: A Systematic Review and Meta-Analysis. Sports Medicine. https://doi.org/10.1007/s40279-016-0638-2
2. Anderson, L., Naughton, R. J., Close, G. L., Di Michele, R., Morgans, R., Drust, B., & Morton, J. P. (2017). Daily distribution of macronutrient intakes of professional soccer players from the English premier league. International Journal of Sport Nutrition and Exercise Metabolism. https://doi.org/10.1123/ijsnem.2016-0265
3. Areta, J. L., Burke, L. M., Ross, M. L., Camera, D. M., West, D. W. D., Broad, E. M., … Coffey, V. G. (2013). Timing and distribution of protein ingestion during prolonged recovery from resistance exercise alters myofibrillar protein synthesis. Journal of Physiology. https://doi.org/10.1113/jphysiol.2012.244897
4. Arnason, A., Sigurdsson, S. B., Gudmundsson, A., Holme, I., Engebretsen, L., & Bahr, R. (2004). Physical Fitness, Injuries, and Team Performance in Soccer. Medicine and Science in Sports and Exercise. https://doi.org/10.1249/01.MSS.0000113478.92945.CA
5. Buchheit, M. (2019). Managing high-speed running load in professional soccer players: The benefit of high-intensity interval training supplementation. Sport Performance & Science Reports.
6. Burke, L. M. (1997). Fluid balance during team sports. Journal of Sports Sciences. https://doi.org/10.1080/026404197367290
7. Burke, L. M., Castell, L. M., & Stear, S. J. (2009). BJSM reviews: A-Z of supplements: Dietary supplements, sports nutrition foods and ergogenic aids for health and performance Part 1. British Journal of Sports Medicine. https://doi.org/10.1136/bjsm.2009.063941
8. Burke, L. M., Kiens, B., & Ivy, J. L. (2004). Carbohydrates and fat for training and recovery. Journal of Sports Sciences, 22(1), 15–30. https://doi.org/10.1080/0264041031000140527
9. Candow, D. G., Chilibeck, P. D., Burke, D. G., Mueller, K. D., & Lewis, J. D. (2011). Effect of different frequencies of creatine supplementation on muscle size and strength in young adults. Journal of Strength and Conditioning Research. https://doi.org/10.1519/JSC.0b013e3181e7419a
10. Caruana Bonnici, D., Greig, M., Akubat, I., Sparks, S., Bentley, D., & Mc Naughton, L. (2019). Nutrition in Soccer: A Brief Review of the Issues and Solutions. Journal of Science in Sport and Exercise, 1, 3–12. Retrieved from https://doi.org/10.1007/s42978-019-0014-7
11. Chelly, M. S., Fathloun, M., Cherif, N., Amar, M. Ben, Tabka, Z., & Van Praagh, E. (2009). Effects of a back squat training program on leg power,jump, and sprint performances in junior soccer players. Journal of Strength and Conditioning Research. https://doi.org/10.1519/JSC.0b013e3181b86c40
12. Comfort, P., Stewart, A., Bloom, L., & Clarkson, B. (2014). Relationships between strength, sprint, and jump performance in well-trained youth soccer players. Journal of Strength and Conditioning Research. https://doi.org/10.1519/JSC.0b013e318291b8c7
13. Coutts, A. J., Rampinini, E., Marcora, S. M., Castagna, C., & Impellizzeri, F. M. (2009). Heart rate and blood lactate correlates of perceived exertion during small-sided soccer games. Journal of Science and Medicine in Sport. https://doi.org/10.1016/j.jsams.2007.08.005
14. De Hoyo, M., Gonzalo-Skok, O., Sanudo, B., Carrascal, C., Plaza-Armas, J. R., Camacho-Candil, F., & Otero-Esquina, C. (2016). Comparative effects of in-season full-back squat, resisted sprint training, and plyometric training on explosive performance in U-19 elite soccer players. Journal of Strength and Conditioning Research. https://doi.org/10.1519/JSC.0000000000001094
15. Di Salvo, V., Baron, R., Tschan, H., Calderon Montero, F. J., Bachl, N., & Pigozzi, F. (2007). Performance characteristics according to playing position in elite soccer. International Journal of Sports Medicine. https://doi.org/10.1055/s-2006-924294
16. Dodd, K. D., & Newans, T. J. (2018). Talent identification for soccer: Physiological aspects. Journal of Science and Medicine in Sport. https://doi.org/10.1016/j.jsams.2018.01.009
17. Draper, J. A., & Lancaster, M. G. (1985). The 505 test: A test for agility in the horizontal plane. Australian Journal of Science and Medicine in Sport.
18. Enright, K., Morton, J., Iga, J., & Drust, B. (2015). The effect of concurrent training organisation in youth elite soccer players. European Journal of Applied Physiology. https://doi.org/10.1007/s00421-015-3218-5
19. Fairchild, T. J., Armstrong, A. A., Rao, A., Liu, H., Lawrence, S., & Fournier, P. A. (2003). Glycogen synthesis in muscle fibers during active recovery from intense exercise. Medicine and Science in Sports and Exercise. https://doi.org/10.1249/01.MSS.0000058436.46584.8E
20. Faude, O., Koch, T., & Meyer, T. (2012). Straight sprinting is the most frequent action in goal situations in professional football. Journal of Sports Sciences. https://doi.org/10.1080/02640414.2012.665940
21. Fyfe, J. J., Bishop, D. J., & Stepto, N. K. (2014). Interference between concurrent resistance and endurance exercise: Molecular bases and the role of individual training variables. Sports Medicine. https://doi.org/10.1007/s40279-014-0162-1
22. Goldstein, E. R., Ziegenfuss, T., Kalman, D., Kreider, R., Campbell, B., Wilborn, C., … Antonio, J. (2010). International society of sports nutrition position stand: Caffeine and performance. Journal of the International Society of Sports Nutrition. https://doi.org/10.1186/1550-2783-7-5
23. Gonzalo-Skok, O., Moreno-Azze, A., Arjol-Serrano, J. L., Tous-Fajardo, J., & Bishop, C. (2019). A Comparison of 3 Different Unilateral Strength Training Strategies to Enhance Jumping Performance and Decrease Interlimb Asymmetries in Soccer Players. International Journal of Sports Physiology and Performance. https://doi.org/10.1123/ijspp.2018-0920
24. Goto, H., Morris, J. G., & Nevill, M. E. (2018). Influence of biological maturity on the match performance of 8 to 16 year old elite male youth soccer players. Journal of Strength and Conditioning Research. https://doi.org/10.1519/JSC.0000000000002510
25. Green, J. M., McLester, J. R., Crews, T. R., Wickwire, P. J., Pritchett, R. C., & Lomax, R. G. (2006). RPE association with lactate and heart rate during high-intensity interval cycling. Medicine and Science in Sports and Exercise. https://doi.org/10.1249/01.mss.0000180359.98241.a2
26. Haack, M., & Mullington, J. M. (2005). Sustained sleep restriction reduces emotional and physical well-being. Pain. https://doi.org/10.1016/j.pain.2005.09.011
27. Harøy, J., Thorborg, K., Serner, A., Bjørkheim, A., Rolstad, L. E., Hölmich, P., … Andersen, T. E. (2017). Including the Copenhagen Adduction Exercise in the FIFA 11+ Provides Missing Eccentric Hip Adduction Strength Effect in Male Soccer Players: A Randomized Controlled Trial. American Journal of Sports Medicine. https://doi.org/10.1177/0363546517720194
28. Hasebe, Y., Akasaka, K., Otsudo, T., Tachibana, Y., Hall, T., & Yamamoto, M. (2020). Effects of Nordic Hamstring Exercise on Hamstring Injuries in High School Soccer Players: A Randomized Controlled Trial. International Journal of Sports Medicine. https://doi.org/10.1055/a-1034-7854
29. Haugen, T., & Seiler, S. (2015). Physical and Physiological Testing of Soccer Players: Why, What and How should we Measure? Sportscience Norway. Email. Reviewer: Martin Buchheit.
30. Helgerud, J., Høydal, K., Wang, E., Karlsen, T., Berg, P., Bjerkaas, M., … Hoff, J. (2007). Aerobic high-intensity intervals improve V̇O2max more than moderate training. Medicine and Science in Sports and Exercise. https://doi.org/10.1249/mss.0b013e3180304570
31. Herbert, R. D., de Noronha, M., & Kamper, S. J. (2011). Stretching to prevent or reduce muscle soreness after exercise. Cochrane Database of Systematic Reviews. https://doi.org/10.1002/14651858.cd004577.pub3
32. Hoff, J. (2005). Training and testing physical capacities for elite soccer players. Journal of Sports Sciences. https://doi.org/10.1080/02640410400021252
33. Irwin, M. R., Wang, M., Campomayor, C. O., Collado-Hidalgo, A., & Cole, S. (2006). Sleep deprivation and activation of morning levels of cellular and genomic markers of inflammation. Archives of Internal Medicine. https://doi.org/10.1001/archinte.166.16.1756
34. Jusoh, N., & Salim, S. (2018). Association between hydration status, hydration knowledge and fluid consumption during training among soccer players. Physical Education of Students. https://doi.org/10.15561/20755279.2019.0104
35. Krommes, K., Petersen, J., Nielsen, M. B., Aagaard, P., Hölmich, P., & Thorborg, K. (2017). Sprint and jump performance in elite male soccer players following a 10-week Nordic Hamstring exercise Protocol: A randomised pilot study. BMC Research Notes. https://doi.org/10.1186/s13104-017-2986-x
36. Machado, A. F., Ferreira, P. H., Micheletti, J. K., de Almeida, A. C., Lemes, Í. R., Vanderlei, F. M., … Pastre, C. M. (2016). Can Water Temperature and Immersion Time Influence the Effect of Cold Water Immersion on Muscle Soreness? A Systematic Review and Meta-Analysis. Sports Medicine. https://doi.org/10.1007/s40279-015-0431-7
37. Marangoz, İ. (2018). The Analysis of Running Distances in National Teams in 2010 and 2014 FIFA World Cup and Estimation of Oxygen Consumption Capacity Based on These Distances. Journal of Education and Training Studies. https://doi.org/10.11114/jets.v6i8.3213
38. Metaxas, T. I., Koutlianos, N. A., Kouidi, E. J., & Deligiannis, A. P. (2005). Comparative study of field and laboratory tests for the evaluation of aerobic capacity in soccer players. Journal of Strength and Conditioning Research. https://doi.org/10.1519/14713.1
39. Methenitis, S. (2018). A Brief Review on Concurrent Training: From Laboratory to the Field. Sports. https://doi.org/10.3390/sports6040127
40. Mirkov, D., Nedeljkovic, A., Kukolj, M., Ugarkovic, D., & Jaric, S. (2008). Evaluation of the reliability of soccer-specific field tests. Journal of Strength and Conditioning Research. https://doi.org/10.1519/JSC.0b013e31816eb4af
41. Mujika, I., Padilla, S., Ibañez, J., Izquierdo, M., & Gorostiaga, E. (2000). Creatine supplementation and sprint performance in soccer players. Medicine and Science in Sports and Exercise. https://doi.org/10.1097/00005768-200002000-00039
42. Nédélec, M., McCall, A., Carling, C., Legall, F., Berthoin, S., & Dupont, G. (2013). Recovery in soccer: Part II-recovery strategies. Sports Medicine. https://doi.org/10.1007/s40279-012-0002-0
43. Noronha, D. C., Santos, M. I. A. F., Santos, A. A., Corrente, L. G. A., Fernandes, R. K. N., Barreto, A. C. A., … Nascimento, M. V. S. (2020). Nutrition Knowledge is Correlated with a Better Dietary Intake in Adolescent Soccer Players: A Cross-Sectional Study. Journal of Nutrition and Metabolism. https://doi.org/10.1155/2020/3519781
44. Nutrition and Athletic Performance. (2016). Medicine and Science in Sports and Exercise. https://doi.org/10.1249/MSS.0000000000000852
45. Oliveira, C., Ferreira, D., Caetano, C., Granja, D., Pinto, R., Mendes, B., & Sousa, M. (2017). Nutrition and Supplementation in Soccer. Sports. https://doi.org/10.3390/sports5020028
46. Ostojic, S. M. (2004). Creatine Supplementation in Young Soccer Players. International Journal of Sport Nutrition and Exercise Metabolism. https://doi.org/10.1123/ijsnem.14.1.95
47. Pearcey, G. E. P., Bradbury-Squires, D. J., Kawamoto, J. E., Drinkwater, E. J., Behm, D. G., & Button, D. C. (2015). Foam rolling for delayed-onset muscle soreness and recovery of dynamic performance measures. Journal of Athletic Training. https://doi.org/10.4085/1062-6050-50.1.01
48. Peñailillo, L., Blazevich, A., Numazawa, H., & Nosaka, K. (2015). Rate of force development as a measure of muscle damage. Scandinavian Journal of Medicine and Science in Sports. https://doi.org/10.1111/sms.12241
49. Rae, C., Digney, A. L., McEwan, S. R., & Bates, T. C. (2003). Oral creatine monohydrate supplementation improves brain performance: A double-blind, placebo-controlled, cross-over trial. Proceedings of the Royal Society B: Biological Sciences. https://doi.org/10.1098/rspb.2003.2492
50. Ranchordas, M. K., Dawson, J. T., & Russell, M. (2017). Practical nutritional recovery strategies for elite soccer players when limited time separates repeated matches. Journal of the International Society of Sports Nutrition. https://doi.org/10.1186/s12970-017-0193-8
51. Redkva, P. E., Paes, M. R., Fernandez, R., & Da-Silva, S. G. (2018). Correlation between Match Performance and Field Tests in Professional Soccer Players. Journal of Human Kinetics. https://doi.org/10.1515/hukin-2017-0171
52. Robertson, A., Watt, J. M., & Galloway, S. D. R. (2004). Effects of leg massage on recovery from high intensity cycling exercise. British Journal of Sports Medicine. https://doi.org/10.1136/bjsm.2002.003186
53. Rodriguez-Giustiniani, P., Rollo, I., Witard, O. C., & Galloway, S. D. R. (2019). Ingesting a 12% carbohydrate-electrolyte beverage before each half of a soccer match simulation facilitates retention of passing performance and improves high-intensity running capacity in academy players. International Journal of Sport Nutrition and Exercise Metabolism. https://doi.org/10.1123/ijsnem.2018-0214
54. Rommers, N., Mostaert, M., Goossens, L., Vaeyens, R., Witvrouw, E., Lenoir, M., & D’Hondt, E. (2019). Age and maturity related differences in motor coordination among male elite youth soccer players. Journal of Sports Sciences. https://doi.org/10.1080/02640414.2018.1488454
55. Ruddock, A. D., Boyd, C., Winter, E. M., & Ranchordas, M. (2019). Considerations for the scientific support process and applications to case studies. International Journal of Sports Physiology and Performance. https://doi.org/10.1123/ijspp.2018-0616
56. Ryan, D., Mccall, A., Fitzpatrick, G., Hennessy, L., Meyer, T., & Mccunn, R. (2018). The influence of maturity status on movement quality among English Premier League academy soccer players. Sport Performance and Science Reports.
57. Shephard, R. J. (2012). Skeletal Age and Age Verification in Youth Sport. Yearbook of Sports Medicine. https://doi.org/10.1016/j.yspm.2012.01.014
58. Sherar, L. B., Mirwald, R. L., Baxter-Jones, A. D. G., & Thomis, M. (2005). Prediction of adult height using maturity-based cumulative height velocity curves. Journal of Pediatrics. https://doi.org/10.1016/j.jpeds.2005.04.041
59. Shirreffs, S. M., Aragon-Vargas, L. F., Chamorro, M., Maughan, R. J., Serratosa, L., & Zachwieja, J. J. (2005). The sweating response of elite professional soccer players to training in the heat. International Journal of Sports Medicine. https://doi.org/10.1055/s-2004-821112
60. Shirreffs, S. M., Sawka, M. N., & Stone, M. (2006). Water and electrolyte needs for football training and match-play. Journal of Sports Sciences. https://doi.org/10.1080/02640410500482677
61. Skein, M., Duffield, R., Edge, J., Short, M. J., & Mündel, T. (2011). Intermittent-sprint performance and muscle glycogen after 30 h of sleep deprivation. Medicine and Science in Sports and Exercise. https://doi.org/10.1249/MSS.0b013e31820abc5a
62. Slimani, M., & Nikolaidis, P. T. (2019). Anthropometric and physiological characteristics of male soccer players according to their competitive level, playing position and age group: A systematic review. Journal of Sports Medicine and Physical Fitness. https://doi.org/10.23736/S0022-4707.17.07950-6
63. Slimani, M., Znazen, H., Miarka, B., & Bragazzi, N. L. (2019). Maximum Oxygen Uptake of Male Soccer Players According to their Competitive Level, Playing Position and Age Group: Implication from a Network Meta-Analysis. Journal of Human Kinetics. https://doi.org/10.2478/hukin-2018-0060
64. Stanton, P., & Purdam, C. (1989). Hamstring injuries in sprinting – The role of eccentric exercise. Journal of Orthopaedic and Sports Physical Therapy. https://doi.org/10.2519/jospt.1989.10.9.343
65. Stølen, T., Chamari, K., Castagna, C., & Wisløff, U. (2005). Physiology of soccer: An update. Sports Medicine. https://doi.org/10.2165/00007256-200535060-00004
66. Styles, W. J., Matthews, M. J., & Comfort, P. (2016). Effects of Strength Training on Squat and Sprint Performance in Soccer Players. Journal of Strength and Conditioning Research. https://doi.org/10.1519/JSC.0000000000001243
67. Tarnopolsky, M. A. (2011). Caffeine and creatine use in sport. Annals of Nutrition and Metabolism. https://doi.org/10.1159/000322696
68. Thorborg, K., Couppé, C., Petersen, J., Magnusson, S. P., & Hölmich, P. (2011). Eccentric hip adduction and abduction strength in elite soccer players and matched controls: A cross-sectional study. British Journal of Sports Medicine. https://doi.org/10.1136/bjsm.2009.061762
69. Thorborg, K., Branci, S., Nielsen, M. P., Tang, L., Nielsen, M. B., & Hölmich, P. (2014). Eccentric and isometric hip adduction strength in male soccer players with and without adductor-related groin pain: An assessor-blinded comparison. Orthopaedic Journal of Sports Medicine. https://doi.org/10.1177/2325967114521778
70. Thorborg, K., Serner, A., Petersen, J., Madsen, T. M., Magnusson, P., & Hölmich, P. (2011). Hip Adduction and Abduction Strength Profiles in Elite Soccer Players. The American Journal of Sports Medicine. https://doi.org/10.1177/0363546510378081
71. Trexler, E. T., Smith-Ryan, A. E., Stout, J. R., Hoffman, J. R., Wilborn, C. D., Sale, C., … Antonio, J. (2015). International society of sports nutrition position stand: Beta-Alanine. Journal of the International Society of Sports Nutrition. https://doi.org/10.1186/s12970-015-0090-y
72. Tscholl, P., Junge, A., & Dvorak, J. (2008). The use of medication and nutritional supplements during FIFA World Cups 2002 and 2006. British Journal of Sports Medicine. https://doi.org/10.1136/bjsm.2007.045187
73. Turner, A. N., Cree, J., Comfort, P., Jones, L., Chavda, S., Bishop, C., & Reynolds, A. (2014). Hamstring strain prevention in elite soccer players. Strength and Conditioning Journal. https://doi.org/10.1519/SSC.0000000000000076
74. Van Dyk, N., Behan, F. P., & Whiteley, R. (2019). Including the Nordic hamstring exercise in injury prevention programmes halves the rate of hamstring injuries: A systematic review and meta-analysis of 8459 athletes. British Journal of Sports Medicine. https://doi.org/10.1136/bjsports-2018-100045
75. van Loon, L. J. C., Kruijshoop, M., Verhagen, H., Saris, W. H. M., & Wagenmakers, A. J. M. (2000). Ingestion of Protein Hydrolysate and Amino Acid–Carbohydrate Mixtures Increases Postexercise Plasma Insulin Responses in Men. The Journal of Nutrition. https://doi.org/10.1093/jn/130.10.2508
76. Walker, M. P. (2008). Cognitive consequences of sleep and sleep loss. Sleep Medicine. https://doi.org/10.1016/S1389-9457(08)70014-5
77. Walker, S., & Turner, A. (2009). A one-day dield test battery for the assessment of aerobic capacity, anaerobic capacity, speed, and agility of soccer players. Strength and Conditioning Journal. https://doi.org/10.1519/SSC.0b013e3181c22085
78. Wylie, L. J., Mohr, M., Krustrup, P., Jackman, S. R., Ermιdis, G., Kelly, J., … Jones, A. M. (2013). Dietary nitrate supplementation improves team sport-specific intense intermittent exercise performance. European Journal of Applied Physiology. https://doi.org/10.1007/s00421-013-2589-8
79. Zehnder, M., Rico-Sanz, J., Kühne, G., & Boutellier, U. (2001). Resynthesis of muscle glycogen after soccer specific performance examined by 13C-magnetic resonance spectroscopy in elite players. European Journal of Applied Physiology. https://doi.org/10.1007/s004210100389
