Muscles 11-15

Muscles 11-15 - Action: Externally rotates arm; GH...

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Muscles 11-15
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Subscapularis Origin: Subscapular fossa Insertion: Lesser tuberosity of humerus Action: Internal humeral rotation, GH stabilization Innervation : Upper and lower subscapular nerves
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Supraspinatus Origin: Suprapinous fossa of scapula Insertion: Greater tuberosity of humerus Action: Head snugger, aids in abduction of humerus Innervation : Suprascapular nerve
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Infraspinatus Origin: Infraspinous fossa of scapula Insertion: Greater tuberosity of humerus
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Unformatted text preview: Action: Externally rotates arm; GH stabilization Innervation : Suprascapular nerve Teres Minor Origin: Axillary border of scapula Insertion: Greater tuberosity of humerus Action: Externally rotates arm; GH stabilization Innervation : Axillary nerve Teres Major Origin: Inferior angle of scapula Insertion: Bicipital groove of humerus Action: Internally rotates and adducts arm Innervation : Lower scapular nerve...
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This note was uploaded on 10/14/2009 for the course EXSS 175 taught by Professor Zinder during the Summer '08 term at UNC.

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Muscles 11-15 - Action: Externally rotates arm; GH...

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