13. Costello JT, Baker PR, Minett GM, Bieuzen F, Stewart IB, Bleakley C: Cochrane review: Whole-body cryotherapy (extreme cold air exposure) for preventing and treating muscle soreness after exercise in adults. J Evid Based Med. 2016;

14. Ekstrand J, Hagglund M, Kristenson K, Magnusson H, Walden M: Fewer ligament injuries but no preventive effect on muscle injuries and severe injuries: an 11-year follow-up of the UEFA Champions League injury study. Br J Sports Med. 2013; 47: 732–7

15. Ekstrand J, Hagglund M, Walden M: Epidemiology of muscle injuries in professional football (soccer). Am J Sports Med. 2011; 39: 1226–32

16. Engel FA, Holmberg HC, Sperlich B: Is There Evidence that Runners can Benefit from Wearing Compression Clothing? Sports Med. 2016; 46: 1939–52

17. Goode AP, Reiman MP, Harris L et al.: Eccentric training for prevention of hamstring injuries may depend on intervention compliance: a systematic review and meta-analysis. Br J Sports Med. 2015; 49: 349–56

18. Guillodo Y, Madouas G, Simon T, Le Dauphin H, Saraux A: Platelet-rich plasma (PRP) treatment of sports-related severe acute hamstring injuries. Muscles Ligaments Tendons J. 2015; 5: 284–8

19. Hagglund M, Walden M, Ekstrand J: Risk factors for lower extremity muscle injury in professional soccer: the UEFA Injury Study. Am J Sports Med. 2013; 41: 327–35

20. Hamilton B, Tol JL, Almusa E et al.: Platelet-rich plasma does not enhance return to play in hamstring injuries: a randomised controlled trial. Br J Sports Med. 2015; 49: 943–50

21. Hacer C, Stoggl T, Kriner M et al.: Effect of Dry Needling on Thigh Muscle Strength and Hip Flexion in Elite Soccer Players. Med Sci Sports Exerc. 2016

22. Hubscher M, Vogt L, Bernhorster M, Rosenhagen A, Banzer W: Effects of acupuncture on symptoms and muscle function in delayed-onset muscle soreness. J Altern Complement Med. 2008; 14: 1011–6

23. Hubscher M, Vogt L, Ziebart T, Banzer W: Immediate effects of acupuncture on strength performance: a randomized, controlled crossover trial. Eur J Appl Physiol. 2010; 110: 353–8

24. Kietrys DM, Palombaro KM, Azzaretto E et al.: Effectiveness of dry needling for upper-quarter myofascial pain: a systematic review and meta-analysis. J Orthop Sports Phys Ther. 2013; 43: 620–34

25. Lee P, Nokes L, Smith PM: No effect of intravenous Actovegin(R) on peak aerobic capacity. Int J Sports Med. 2012; 33: 305–9

26. Lee P, Rattenberry A, Connelly S, Nokes L: Our experience on Actovegin, is it cutting edge? Int J Sports Med. 2011; 32: 237–41

27. Malliaropoulos N, Papalexandris S, Papalada A, Papacostas E: The role of stretching in rehabilitation of hamstring injuries: 80 athletes follow-up. Med Sci Sports Exerc. 2004; 36: 756–9

28. Malone JK, Blake C, Caulfield BM: Neuromuscular electrical stimulation during recovery from exercise: a systematic review. J Strength Cond Res. 2014; 28: 2478–506

29. Mason DL, Dickens VA, Vail A: Rehabilitation for hamstring injuries. Cochrane Database Syst Rev. 2012; 12: CD004575

30. Moraes VY, Lenza M, Tamaoki MJ, Faloppa F, Belloti JC: Platelet-rich therapies for musculoskeletal soft tissue injuries. Cochrane Database Syst Rev. 2014; (4): CD010071

31. Morris D, Jones D, Ryan H, Ryan CG: The clinical effects of Kinesio(R) Tex taping: A systematic review. Physiother Theory Pract. 2013; 29: 259–70

32. MS AH, Mohamed Ali MR, Yusof A, George J, Lee LP: Platelet-rich plasma injections for the treatment of hamstring injuries: a randomized controlled trial. Am J Sports Med. 2014; 42: 2410–8

33. Murphy JC, O‘Malley E, Gissane C, Blake C: Incidence of injury in Gaelic football: a 4-year prospective study. Am J Sports Med. 2012; 40: 2113–20

34. Nilstad A, Andersen TE, Bahr R, Holme I, Steffen K: Risk factors for lower extremity injuries in elite female soccer players. Am J Sports Med. 2014; 42: 940–8

35. O‘Brien J, Donaldson A, Finch CF: It will take more than an existing exercise programme to prevent injury. Br J Sports Med. 2016; 50: 264–5

36. O‘Brien J, Finch CF: The implementation of musculoskeletal injury-prevention exercise programmes in team ball sports: a systematic review employing the RE-AIM framework. Sports Med. 2014; 44: 1305–18

37. O‘Brien J, Young W, Finch CF: The delivery of injury prevention exercise programmes in professional youth soccer: Comparison to the FIFA 11. J Sci Med Sport. 2016.

38. Opar DA, Williams MD, Shield AJ: Hamstring strain injuries: factors that lead to injury and re-injury. Sports Med. 2012; 42: 209–26

39. Reurink G, Goudswaard GJ, Moen MH et al.: Platelet-rich plasma injections in acute muscle injury. N Engl J Med. 2014; 370: 2546–7

40. Reurink G, Goudswaard GJ, Moen MH et al.: Rationale, secondary outcome scores and 1-year follow-up of a randomised trial of platelet-rich plasma injections in acute hamstring muscle injury: the Dutch Hamstring Injection Therapy study. Br J Sports Med. 2015; 49: 1206–12

41. Reynolds JF, Noakes TD, Schwellnus MP, Windt A, Bowerbank P: Non-steroidal anti-inflammatory drugs fail to enhance healing of acute hamstring injuries treated with physiotherapy. S Afr Med J. 1995; 85: 517–22