Simple physical activity can delay the development of osteoarthritis or even prevent disease. Clinicians found that running more than one hour a day at least three times a week is associated with a higher rate of degeneration of the cartilage and potentially increases the risk of osteoarthritis.

On the other hand, performing light physical exercises and avoiding frequent bending of the knee joints can protect against the disease, say US doctors.

Osteoarthritis is a degenerative joint disease that causes pain, swelling and obstructive movement. Osteoarthritis is the most common form of arthritis and affects about 27 million. Of Americans over the age of 25. In the study, physicians observed the condition of women and men between the ages of 45 to 55 who either had a sedentary lifestyle or exercised from moderate to intense exercise. Orthopedists noted that light physical exercises supported healthy knee cartilage, in contrast to power and stress training, which, on the contrary, led to the accumulation of water and the destruction of collagen in the knee joints.

Vigorous exercises speed up the degeneration of the cartilage, increasing the risk of osteoarthritis, as well as movements involving frequent bending of the knee (for example, climbing at least 10 flights of stairs a day, lifting heavy objects, or squatting or kneeling at least 30 minutes a day /. People can reduce the risk of developing osteoarthritis by maintaining a healthy weight and avoiding risky activities and physical exertion, concluded the physicians of the University of California. For a safe defense against joint disease, instead of running and tennis, it is better to choose walking, swimming or using an elliptical trainer.

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