| Play selected steps of the dissection. |
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| 1. Review the bony landmarks. |
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| 2. With the arm abducted, remove the fat and lymph nodes from the axilla. |
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| 3. Cut and remove the middle third of the clavicle. Cut the axillary vein lateral to its junction with cephalic vein and remove axillary vein and tributaries. |
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| 4. Separate all brachial plexus nerves and axillary artery branches. |
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| 5. Reflect deltoid muscle from acromion and spine of scapula. |
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| 6. Saw off acromion and reflect supraspinatus muscle. |
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| 7. Reflect infraspinatus from the medial border of scapula toward shoulder and find nerves and vessels beneath. |
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| 8. Dissect the teres minor and major muscles. |
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| 9. Open the arm compartments. |
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| 10. Cut the lateral head of the triceps obliquely in the direction of the radial groove to expose the radial nerve and deep brachial artery. |
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