HealthyShoulders.com

The four most common causes of shoulder imbalance and pain

Adhesions (scar tissue) in the muscles of your shoulder or adhesions in the shoulder joint capsule
Interference in the nerve signals to the muscles that control your shoulder
Strength or flexibility imbalances in the "Stabilizing Muscles" of your shoulder
Severe structural alterations or damage to the bone, cartilage, tendons or ligaments