1. Meckel Y, Machnai O, Eliakim A. Relationship among repeated sprint tests, aerobic fitness, and anaerobic fitness in elite adolescent soccer players. J Strength Cond Res. 2009; 23(1): 163–169.
2. Sheppard JM, Young WB. Agility literature review: Classifications, training and testing. J Sports Sci. 2006; 24(9): 919–932.
3. Ha SH, Kim JK, Park SK. Awareness of Injury Prevention and Characteristics of Injuries in Different Age Female Soccer Players. Asian J Kinesiol. 2013; 15(3): 131–142.
4. Croisier JL, Ganteaume S, Binet J, Genty M, Ferret JM. Strength imbalances and prevention of hamstring injury in professional soccer players: a prospective study. Am J Sports Med. 2008; 36(8): 1469–1475.
6. Forlenza EM, Lavoie-Gagne OZ, Lu Y, Diaz CC, Chahla J, Forsythe B. Return to Play and Player Performance After Achilles Tendon Rupture in UEFA Professional Soccer Players: A Matched-Cohort Analysis of Players From 1999 to 2018. Orthop J Sports Med. 2021; 9(9): 1–8.
8. Grassi A, Rossi G, D’Hooghe P. Eighty-Two per cent of male professional football (soccer) players return to play at the previous level two seasons after Achilles tendon rupture treated with surgical repair. Br J Sports Med. 2020; 54(8): 480–486.
9. Zellers JA, Christensen M, Kjær IL, Rathleff MS, Silbernagel KG. Defining components of early functional rehabilitation for acute Achilles tendon rupture: a systematic review. Orthop J Sports Med. 2019; 7(11): 1–22.
12. Groetelaers RP, Janssen L, van der Velden J, et al. Functional treatment or cast immobilization after minimally invasive repair of an acute Achilles tendon rupture: prospective, randomized trial. Foot Ankle Int. 2014; 35(8): 771–778.
13. Okoroha KR, Ussef N, Jildeh TR, et al. Comparison of tendon lengthening with traditional versus accelerated rehabilitation after Achilles tendon repair: a prospective randomized controlled trial. Am J Sports Med. 2020; 48(7): 1720–1726.
14. Aufwerber S, Edman G, Grävare Silbernagel K, Ackermann PW. Changes in tendon elongation and muscle atrophy over time after Achilles tendon rupture repair: a prospective cohort study on the effects of early functional mobilization. Am J Sports Med. 2020; 48(13): 3296–3305.
15. Geboers JF, Tuijl JV, Seelen HAM, Drost MR. Effect of immobilization on ankle dorsiflexion strength. Scand J Rehabil Med. 2000; 32(2): 66–71.
16. Caplan N, Forbes A, Radha S, et al. Effects of 1 week of unilateral ankle immobilization on plantar-flexor strength, balance, and walking speed: A pilot study in asymptomatic volunteers. J Sport Rehabil. 2015; 24(2): 156–162.
18. Lightsey HM, Noback PC, Caldwell JME, Trofa DP, Greisberg JK, Vosseller JT. Online physical therapy protocol quality, variability, and availability in Achilles tendon repair. Foot Ankle Spec. 2019; 12(1): 16–24.
19. Brumann M, Baumbach SF, Mutschler W, Polzer H. Accelerated rehabilitation following Achilles tendon repair after acute rupture-Development of an evidencebased treatment protocol. Injury. 2014; 45(11): 1782–1790.
21. Zhou J, Liu C, Zhang Z. Non-uniform stiffness within gastrocnemius-Achilles tendon complex observed after static stretching. J Sports Sci Med. 2019; 18(3): 454.
23. Farris DJ, Trewartha G, Polly McGuigan M. Could intratendinous hyperthermia during running explain chronic injury of the human Achilles tendon? J Biomech. 2011; 44(5): 822–826.
24. Holzgrefe RE, McCarthy TP, Wilson JM, Bariteau JT, Labib S. Association of strength following Achilles tendon repair with return to same level of play in high-level athletes. Foot Ankle Int. 2020; 41(9): 1041–1048.
25. Jeon AY, Hwang BG, Cha SH, et al. Recovery of Muscle Power Following Early Weight-Bearing and Ankle Exercise after Surgical Repair of Acute Achilles Tendon Rupture. J Korean Orthop Assoc. 2012; 47(2): 111–118.
27. Jerger S, Centner C, Lauber B, et al. Effects of specific collagen peptide supplementation combined with resistance training on Achilles tendon properties. Scand J Med Sci Sports. 2022; 32(7): 1131–1141.
28. Geremia JM, Baroni BM, Bobbert MF, Bini RR, Lanferdini FJ, Vaz MA. Effects of high loading by eccentric triceps surae training on Achilles tendon properties in humans. Eur J Appl Physiol. 2018; 118(8): 1725–1736.
29. Fouré A, Nordez A, Guette M, Cornu C. Effects of plyometric training on passive stiffness of gastrocnemii and the musculo‐articular complex of the ankle joint. Scand J Med Sci Sports. 2009; 19(6): 811–818.
30. Radovanović G, Kunz J, Bohm S, Arampatzis A, Legerlotz K. Reliable and effective novel home-based training setup for application of an evidence-based high-loading stimulus to improve triceps surae function. J Sports Sci. 2021; 39(24): 2786–2795.