Your possibility of producing osteoarthritis with the shoulder with its pain and Actual physical constraints increases with age. But an injury, for instance a dislocated shoulder, may result in shoulder osteoarthritis even in children. Hamstring extend: Sit about the chair with legs extended and lean forward to get a back-of-thigh https://www.theorthopaedicandpainpractice.com/i-have-shoulder-pain-do-i-have-shoulder-osteoarthritis/