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It is also used in the diagnosis of costoclavicular syndrome and thoracic outlet syndrome. [1] [2] The position is described as first standing in a relaxed posture, with the head looking forward, then depressing and retracting the shoulders as if standing at attention, extending the humerus and abducting it 30 degrees, and hyperextending the ...
Animation of shoulder joint showing the supraspinatus muscle. The rotator cuff muscles of the shoulder produce a high tensile force, and help to pull the head of the humerus into the glenoid cavity. The glenoid cavity is shallow and contains the glenoid labrum which deepens it and aids stability. With 120 degrees of unassisted flexion, the ...
The standard x-ray views of the shoulder include a true anterior-posterior view, a lateral (Y or outlet) view, and an axillary view. [13] A Velpeau view can be done as an alternative to the axillary view if an examinee is unable to position the shoulder for an appropriate image.
Impingement of the shoulder was previously thought to be precipitated by shoulder abduction and surgical intervention focused on lateral or total acromionectomy. [4] [25] In 1972, Charles Neer proposed that impingement was due to the anterior third of the acromion and the coracoacromial ligament and suggested surgery should be focused on these ...
Shoulder anatomy, front view Shoulder anatomy, back view. The rotator cuff is an anatomical term given to the group of four muscles and their tendons that act to stabilize the shoulder. [3] These muscles are the supraspinatus, infraspinatus, teres minor and subscapularis and that hold the head of the humerus in the glenoid cavity during ...
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The patient is placed in a sitting position, hands resting on thighs. The examiner palpates radial pulse on side being tested; Patient actively rotates head to ipsilateral side being tested while the examiner laterally rotates and extends the patient's shoulder; Patient takes a deep breath and is instructed to hold it