Butler DL, Grood ES, Noyes FR, Zernicke RF. (1978) : Biomechanics of ligaments and tendons. Exerc Sport Sci Rev 6 : 125-181
Fukashiro S, Itohlchinose M, Kawakami Y and Fukunaga T. (1995) : Ultrasonography gives directly but noninvasively elastic characteristic of human tendon in vivo. Eur J Appl Physiol Occup Physiol 71 : 555-557
Galloway MT, Jokl P and Dayton OW. (1992) : Achilles tendon overuse injuries. Clin sports Med 11(4) : 771-782. 1992