What is the Acromio-Clavicular Joint?
The acromio-clavicular (AC) joint is where the clavicle (collar bone) meets the acromion process of the scapula. This can simply be described as the bony bit on the top of the...
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What is a Dislocated Shoulder?
This injury is a very common traumatic sports injury across a wide range of sports. Usually, the humerus (upper arm bone) is forced forwards when the arm is turned outwards (externally...
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What is a Fractured Clavicle?
This is the bone that runs along the front of the shoulder to the breast bone (sternum). This bone is usually fractured as a result of falling badly onto an outstretched arm or onto the...
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What is a Frozen Shoulder?
Adhesive Capsulitis is the medical term for Frozen Shoulder. This is a condition which affects the ability to move the shoulder, and usually only occurs on one side. Sometimes (approximately...
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What is the Glenoid Labrum?
The glenoid labrum is a ring of tissue which is located on the rim of the Glenoid, which is where the Humerus connects to the Scapula (arm connects to the shoulder blade). This fibrous ring ...
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What are the Rotator Cuff Muscles?
The rotator cuff is a group of muscles which work together to provide the Glenohumeral (shoulder) joint with dynamic stability, helping to control the joint during rotation (hence the...
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What is the Lond Head of Biceps?
The Biceps Brachii muscle (found in the upper arm) splits into 2 tendons at the top, one long and one short. The long tendon runs over the humerus bone (upper arm bone) and attaches at...
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What is Impingement Syndrome?
Impingement Syndrome, which is sometimes called Swimmer shoulder or Throwers Shoulder, is caused by the tendons of the rotator cuff (supraspinatus, infraspinatus, teres minor and ...
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What is Shoulder Instability?
The stability of the shoulder joint is provided by no single structure in the joint. Instead, the bony structure of the joint surfaces, the ligaments and muscles are all key components in ...
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What is the Supraspinatus Muscle?
This muscle runs along the top of the shoulder blade (scapula) and inserts at the top of the arm (humerus). It is one of 4 rotator cuff muscles. This muscle is used to lift the arm up...
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What is Referred Shoulder Pain?
Referred pain occurs when pain is experienced away from the actual injury or origin of pain. It is more common than most people think, and there are several well-known varieties - Heart...
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What is the Pectoralis Major Muscle?
The Pectoralis Major Muscle is a large powerful muscle at the front of the chest. It is used to rotate the arm inwards, pull a horizontal arms across the body, pull the arm from above...
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What is the Biceps Long Head?
The Biceps muscle splits into two tendons at the shoulder - one short and one long. The long tendon runs over the humerus (upper arm bone) and attaches to the top of the scapula (shoulder...
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What is a Winged Scapula?
A winged scapula is not a condition in itself, rather it is a symptom of another condition. The term 'winged scapula' describes a protruding or protracted shoulder blade - one which does not lay...
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