Exercise is essential for individuals with arthritic knees. Exercise strengthens the muscles, maintains bone strength and controls weight. This action alleviates pain in the joints and symptoms such as swelling and stiffness, according to Healthline.
Exercise keeps the knee muscles and surrounding tissues strong and supports bones, says Mayo Clinic. Lack of exercise can increase pain and stiffness.
People with knee arthritis should exercise for at least 30 minutes daily, according to Healthline Typical exercise includes walking, the hamstring stretch, the leg raise and the half-squat; however, the patient may experience mild discomfort during exercise. The patient should stop exercising the affected knee and seek medical advice if he experiences severe pain or stiffness.