Joints can handle some heavy pressure. For example, knees have to handle a force of three to four times a person’s total body weight on average when just talking a walk. The force of a deep knee bend during a squat can increase to nine times the body’s weight. So just imagine multiplying weight of more than 150 pounds times a minimum of three or four, and then even more. That can add up to a lot of heavy work on knee joints over a period of time.

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There is a general misconception that arthritis is an age-related medical condition that afflicts only senior citizens or the elderly. This may be true for osteoarthritis, the most common type of joint disorder that usually affects adults of both sexes in their middle ages. But what most people don’t understand is that there are other types or causes of arthritis.

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