It is one of the most common causes of knee pain, especially in older adults. The pain associated with osteoarthritis often worsens with activity, making walking painful. Rheumatoid arthritis: Unlike ...
Stand with both feet on the ground. Raise one knee as if you're going to march. Hold that pose for 30 seconds, then put your leg down. Repeat on the other side. Tip: You can do this exercise in front ...