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12 Cards in this Set
- Front
- Back
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The only articulation b/n the UL and the axial skeleton |
Sternoclavicular joint |
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Anterior dislocation of clavicle |
Medial end of clavicle is pulled forward and upward |
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Posterior dislocation |
Medial end of clavicle is pulled backward which may press trachea, esophagus and great vessels in the root of the neck |
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The 2 ligaments of AC joint |
Acromioclavicular superior to the joint and Coracoclavicular |
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Coracoclavicular ligament |
Not directly related to the joint Made up of Conoid ligament medial triangular and Trapezoid ligament lateral quadrilateral |
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Shoulder separation |
Hard fall on the shoulder tearing of coracoclavicular ligament shoulder separates from the clavicle b/c of the weight of the upper limb |
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Most commonly dislocated joint |
Shoulder joint |
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Most shoulder joint dislocations are |
Anterior inferior dislocation |
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Anterior inferior dislocation |
Humerus slips out of the front of the glenoid cavity due to sudden violence applied to the humerus when the joint is fully abducted Humeral head comes to lie inferior to the glenoid fossa and forwards by the strong flexors and adductors |
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Posterior displacement |
Due to direct violence to the front of the joint Shoulder loses its rounded appearance as the greater tubercle is no more bulging laterally The axillary nerve can be damaged |
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Elbow joint dislocation Radial head dislocation |
Distal end of humerus is pushed anteriorly through the weak part of the joint capsule Pulled elbow occurs in children when the child is lifted by the upper limb Radial head is pulled out of the annular ligament |
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Palpable structures of the UL |
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