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Frozen Shoulder

Subclavius Muscle: Collarbone, Arm, Hand, Finger Pain

    The subclavius muscle is found just under the collarbone. It contributes to pain in the area around the clavicle (collarbone), shoulder, upper arm, forearm, thumb and fingers. It can also contribute to tingling and numbness in the arm and hand.

    Subscapularis Muscle: Frozen Shoulder Pain, Rotator Cuff

      The subscapularis muscle is found on the inside of the shoulder blade. It can cause severe pain in the shoulder blade area that can also run down the back of the arm. Pain is also often felt in the wrist, but not the forearm.