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Rotator cuff tendinits is the most common shoulder injury. The best course of treatment is to rest, apply ice, take ibuprofen, and do stretching and strengthening exercises.

Walking may be hampered for a number of reasons, such as arthritis, a joint sprain, or muscle strain. Most often people already have pain from these conditions even before they begin walking. But individuals who are pain-free and then experience pain when walking that gets worse as they walk faster or longer could suffer from one of three conditions: peripheral artery disease, sciatica, or lumbar spinal stenosis. Ironically, the best strategy for any of these is to keep walking and staying as active as possible.

Most people experience occasional acute musculoskeletal pain as part of daily living, such as an injury caused by exercising or a minor household accident. Acute pain is short-term and often becomes manageable with home remedies and over-the-counter medication. However, when symptoms persist there is greater chance that it will become chronic pain, which lasts two to three months or longer. That's when medical advice is needed.

Stretching keeps the muscles flexible, strong, and healthy, which is needed to maintain a range of motion in the joints. If possible one should stretch daily, focusing on the lower extremities. It's important to stretch after a workout, not before.