General Shoulder Pain The shoulder is a complex and relatively unstable joint that every person uses extensively on a daily basis. There are many muscles and forces that act on the shoulder, and when any of these is overactive or underactive, problems can arise. Caused of general shoulder pain are extensive and can be due to injuries of the many muscles, ligaments, tendons, nerves, cartilage, or bones that make up the shoulder complex. Stress, compensation from past injury, or inflammation
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