Shoulders are the most commonly injured joints in the body because they are the most mobile and the least stable. Instability is what causes this unique and complex joint to be the third most common musculoskeletal complaint presenting to physical therapy. So, if instability is the reason for such a high rate of pain and injury, can you make the joint more stable to reduce your risk of shoulder problems happening in your life? Yes, but it may surprise you to learn you must train your whole body in order to improve your shoulder function. You can’t successfully reduce your risk of shoulder issues by isolating your rotator cuff muscles or by just working your shoulder joint. Your rotator cuff is designed to provide more stability in your mostly unstable shoulder joint; yet each year there are millions of visits to medical offices for shoulder pain due to rotator cuff …