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positioning for shoulder comp-internal, external

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Question
Answer
what is the insertion point for the supraspinatus muscle?   greater tubercle  
what is the insertion point for the infraspinatus muscle?   greater tubercle  
what is the insertion point for the subscapularis muscle?   lesser tubercle  
what position should the arm be in for the external rotation shoulder?   hand supinated, placing the epicondyles parallel to the IR  
what position should the arm be in for a neutral rotation shoulder?   palm of hand facing hips, placing the epicondyles 45 degrees to the plane of the IR  
what position should the arm be in for an internal rotation shoulder?   posterior aspect of the hand touching the hip, placing the epicondyles perpendicular to the plane of the IR.  
what is visualized during an external rotation shoulder?   greater tubercle in profile laterally  
what is visualized during a neutral rotation shoulder?   posterior aspect of the greater tubercle  
what should be visualized during an internal rotation shoulder?   proximal humerus true lateral, lesser tubercle in profile medially  
how much is the tube angle for an outlet shoulder?   10-15 degrees caudad  
where does the CR enter for an outlet shoulder?   superior aspect of the humeral head  
what is the evaluation criteria for an internal rotation shoulder?   lesser tubercle in profile medially, outline of greater tubercle superimposing humeral head  
what is the evaluation criteria for an external rotation shoulder?   humeral head in profile, greater tubercle in profile laterally, scapulohumeral joint with slight overlap of humeral head over glenoid, outline of lesser tubercle between humeral head and greater tubercle.  
what is the evaluation criteria for a neutral rotation shoulder?   greater tubercle partially superimposes the humeral head, humeral head in partial profile, slight overlap of humeral head on glenoid fossa  


   





 
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Created by: annaluz87 on 2009-01-24



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