[The effect of low-frequency pulsed electromagnetic fields on balance ability of patients with post-menopausal osteoporosis].

Objective: To assess the effect of pulsed electromagnetic fields (PEMFs)on balance ability of postmenopausal women with osteoporosis.

Methods: 43 eligible patients were randomly divided into experimental (n = 24) and control (n = 19) groups. Patients in both groups received conventional drug therapy.

[Association of physical activities and bone mass density of lumbar spines in men].

Objective: To determine the association of physical activities and bone mineral density of lumbar vertebrae in men.

Methods: A total of 1169 men who sought medical attentions in the West China Hospital of Sichuan University from August, 2003 to December, 2005 because of ostealgia and arthralgia were given a dual-energy X-ray absorptiometry for the L2-L4 bone mineral density. The height, weight, smoking history, and diseases (eg.