Long-term regular physical activity may prevent osteoporotic fractures, improve the bone density of spine and hip joint and increase muscle mass, muscle strength and force-generating capacity. And it will not cause osteoarthritis to those who have not suffered joint injuries before. As to the patients of osteoarthritis, physical activity of moderate intensity and low impact is helpful to improving symptoms and prognosis. Generally speaking, most of the researches prove that physical activity plays a positive role in keeping health of bone, joint and muscle. |