BIOL 212 Study Guide - Midterm Guide: Coracoclavicular Ligament, Ischiofemoral Ligament, Acromioclavicular Joint

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10 Apr 2017
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The acromioclavicular joint is a synovial gliding joint that is diarthrosis, nonaxial, and this is where shoulder separation happens. This joint connects the acromion process of the scapula to the acromial end of the clavicle. The mechanism of injury is when the clavicle is no longer held at the joint, and it springs up and away from the acromion process of the scapula. This is due to downward force onto the acromion process of the scapula. This injury is the result of a torn acromioclavicular ligament mild separation is just acl and sometimes may result in a torn coracoclavicular ligament, severe separation is both. Proximal radioulnar synovial pivot monaxial, humerus/radioulnar, synovial hinge monaxial only need one. Head of radius, radial notch of ulna. Pulling of forearm, the radial head slips out of the annular ligament, head of radius slips away from the radial notch of the ulna and the capitulum of the humerus.

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