Wiese-Bjornstal, D. M., Smith, A. M., & LaMott, E. E. (1995). A model of psychological response to athletic injury and rehabilitation. Athletic training: Sport health care perspectives, 17-30. Wiese-Bjornstal, D. M., Smith, A. M., Shaffer, S. M., & Morrey, M. A. (1998).
Vukovich M. D., Costill D. L., Fink W. J., (1994). Carnitine supplementation: effect on muscle carnitine and glycogen content during exercise. Medicine & Science in Sports & Exercise, 26 (9): 1122-9. 6. Williams M H., (1992).
Johnson, "Flow Limitation and Regulation of Functional Residual Capacity during Exercise in a Physically Active Aging Population," American Review of Respiratory Disease, Vol. 143, No. 5, May 1991, p. 960. 11, 15, 16 A. Coggan, "Histochemical and Enzymatic Characteristics of Skeletal Muscle in Masters Athletes," Journal of Applied Physiology, Vol. 68, No.
P. 465-467  Gledhill N, Warburton D (1992) Haemoglobin, Blood Volume and Endurance in The Encyclopedia of Sports Medicine Endurance in Sport ed: Shephard and Astrand. 2nd edition. Blackwell Science. P. 423-437  Wilmore JH, Costill DL (1994) Physiology of Sport and Exercise. Human Kinetics.
Freckleton, G., and T. Pizzari. "Risk factors for hamstring muscle strain injury in sport: a systematic review and meta-analysis." British Journal of Sports Medicine 47.6 (2013): 351-358. Print. Petersen, J.
National Strength and Conditioning Association, 35 (1): 1-9. Tsolakis, C., Kostaki, E., & Vagenas, G. (2010) Anthropometric, flexibility, strength-power, and sport-specific correlates in elite fencing. Perceptual and Motor Skills, 110 (3): 1015-1028. Zemper, E., McKeag, D., Hough, D., & Zemper, E. (1993) Epidemiology of athletic injuries. Primary Care Sports Medicine.
Clinics in Sports Medicine , 31 (2), 329-350. Sussmilch-Leitch, S. P., Collins, N., Bialocerkowski, A. E., Warden, S. J., & Crossley, K. M. (2012). Physical therapies for achilles tendinopathy: systematic review and meta-analysis. Journal of Foot and Ankle Research , 1-16. Witvrouw, E., Mahieu, N., Roosen, P., & McNair, P. (2007).