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Clavicle fractures occur at 30–64 cases per 100,000 a year and are responsible for 2.6–5.0% of all fractures. [15] This type of fracture occurs more often in males. [ 15 ] About half of all clavicle fractures occur in children under the age of seven and is the most common pediatric fracture.
The brachial plexus may also be compressed by surrounding damaged structures such as bone fragments or callus from the clavicular fracture, and hematoma or pseudoaneurysm from vascular injury. Cervical rib, prominent transverse process, and congenital fibrous bands can also compress the brachial plexus and cause thoracic outlet syndrome .
A bone fracture of the shoulder involves a partial or total crack through one of the three bones in the shoulder, the clavicle, the scapula, and the humerus. The break in a bone usually occurs as a result of an impact injury, such as a fall or blow to the shoulder. Fractures usually involve the clavicle or the neck (area below the ball) of the ...
The medial region is the longest clavicular region as it takes up two-thirds of the entire shaft. The lateral region is both the widest clavicular region and thinnest clavicular region. The lateral end has a rough inferior surface that bears a ridge, the trapezoid line , and a slight rounded projection, the conoid tubercle (above the coracoid ...
Cleidotomy, which is causing intentional clavicular fractures, thus reducing the diameter of the shoulders to pass through the birth canal; [2] Maternal symphysiotomy , which makes the opening of the birth canal laxer by breaking the connective tissue between the two pubes bones; [ 2 ]
A separated shoulder, also known as acromioclavicular joint injury, is a common injury to the acromioclavicular joint. [2] The AC joint is located at the outer end of the clavicle where it attaches to the acromion of the scapula. [2]
Contraction of each part of the deltoid assists in different movements of the shoulder - flexion (clavicular part), abduction (middle part) and extension (scapular part). [3] The teres major attaches to the outer part of the back of the scapula, beneath the teres minor, and attaches to the upper part of the humerus.
This fact is very important clinically as a fracture of the shaft of the bone here can cause lesions or even transections in the nerve. Other nerves passing through give no supply to the arm. These include: The median nerve, nerve origin C5-T1, which is a branch of the lateral and medial cords of the brachial plexus. This nerve continues in the ...