ligaments, capsules, and muscles. Shoulder instability is an issue affecting the structures surrounding the shoulder joint, typically when these structures do not work properly and fail to hold the ball of the shoulder in its socket.
(8) Wrist, forearm, elbow, arm or shoulder. Recovery from disease or injury with residual weakness or symptoms such as to preclude satisfactory performance of duty, or grip strength of less than 75% of predicted normal when injured hand is compared with the normal hand (nondominant is 80% ...