Bibliografia

1. Douris P, Chinan A, Gomez M, Aw A, Steffens D, Weiss S. Fitness levels of middle aged martial art practitioners. British Journal of Sports Medicine 2004; 38: 143-7.

2. American College of Sports Medicine. ACSM’s resource manual for guidelines for exercise testing and prescription, 6 ^th ed. Philadelphia: Lippincott Williams and Wilkins 2001: 57-90.

3. Heller J, Peric T, Dlouha L et al. Physiological profiles of male and female tae kwon do black belts. Journal of Sports Science 1998; 16: 243-9.

4. Young DR, Appel LJ, Jee S et al. The effects of aerobic exercise and tai chi on blood pressure on older adults. Journal of American Geriatric Society 1999; 47: 277-84.