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11 Cards in this Set
- Front
- Back
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deltoid
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lat. clavicle acromion
to crest of spine *abducts arm med/lat rotates *Axillary N |
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teres major
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dorsom of inf. scapula to crest of lesser tubercle of humerus
*adducts, med rotates arm, assists in extension *subscapular C5-6 from post cord brtachial plexus |
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name rotator cuff muscles
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supraspinatus
infraspinatus teres minor subscapularis |
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supraspinatus
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supra. sp. fossa to greater tubercle of humerus
*abduct arm *suparascap. N, C5-6 from superior trunk |
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infraspinatus
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*infra. fossa to greater tubercle of humerus
*laterally rotates arm *suprascapular N |
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teres minor
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*upper 2/3 lat border scapula
to greater tubercle *lat. rotates arm *axillary N |
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subscapularis
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suscapular fossa to lesser tubercle
*med rotates, assists extension *supscapular N c5-6 |
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name muscles attached to greater tubercle of humerus
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supraspinatus
infraspinatus teres minor |
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muscle attached to lesser tubercle of humerus
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subscapularis
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acronym for rotator cuff muscles
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SITS
supraspinatus infraspinatus teres minor subscapularis |
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does the rotator cuff prevent dislocation of the shoulder?
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not if arm is pulled downward, due to incomplete inferior compartment
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