骨质疏松是目前美国最为常见的骨性疾病,由于骨质量的不断丢失所致的骨质疏松。使患者骨折的危险性增高,而且,由骨质疏松引发的各类疾病使患者生命受到威胁,所耗费的医疗费用也随着上升。骨质疏松的症状通常出现在绝经后,但近年来的观察表明,骨质的丢失出现较早。所以,预防骨质疏松的措施也应该尽可能提早。遗传因素和激素状态特别是雌激素的功能是重要因素,还有2项即锻炼和营养可以进行调节。锻炼已认为有骨性效应,即提高和维护骨质的密度,但具体的锻炼频率、强度和持续 Osteoporosis is by far the most common bone disease in the United States. Osteoporosis is caused by the constant loss of bone mass. Make the patient’s fracture increased risk, moreover, all kinds of diseases caused by osteoporosis threaten the patient’s life, the medical costs incurred also increased. The symptoms of osteoporosis usually appear after menopause, but recent observations show that bone loss occurs earlier. Therefore, measures to prevent osteoporosis should also be as early as possible. Genetic factors and hormone status, estrogen function is an important factor in particular, there are two that exercise and nutrition can be adjusted. Exercise has been considered to have a bony effect, that is, to increase and maintain the density of bone, but the specific exercise frequency, intensity and duration