The shoulder joint allows for an incredible range of motion, making it one of the most flexible joints in the body. This mobility is possible because the humerus (upper arm bone) connects to the scapula (shoulder blade) in a shallow socket. However, this design also means that shoulder stability relies heavily on surrounding soft tissues, including muscles, tendons, and ligaments.
The Role of the Rotator Cuff in Shoulder Stability
The rotator cuff is a group of four muscles that play a crucial role in stabilizing the shoulder joint. These muscles keep the humerus securely in place as the arm moves in various directions. However, the constant demand on the rotator cuff, ligaments, and supporting tissues can lead to shoulder pain, strain, and injury over time.
Everyday activities such as lifting, pushing, pulling, or carrying objects require the shoulder muscles to contract and stabilize the joint. Even prolonged computer use and poor posture can place stress on the shoulder, leading to discomfort and dysfunction.
Common Causes of Shoulder Pain
Several factors can contribute to shoulder pain and dysfunction, including:
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Repetitive use – Overuse in sports (e.g., tennis, baseball, swimming) or work-related tasks can cause muscle fatigue and strain.
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Poor posture – Slouching or forward shoulder positioning places extra tension on the joint.
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Muscle imbalances – Weak or tight muscles around the shoulder girdle affect movement and stability.
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Previous injuries – Untreated or improperly rehabilitated injuries can lead to chronic pain and mobility issues.
How We Can Help
If you're experiencing shoulder pain, weakness, or restricted mobility, our evidence-based treatments can help restore function, reduce pain, and prevent future injuries.