| Play selected steps of the dissection. |
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| 1. Review the bony landmarks. |
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| 2. Remove the skin from the chest wall as in Figure 2. |
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| 3. Identify and reflect the pectoralis major muscle and identify its blood and nerve supply. |
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| 4. Identify and reflect the pectoralis minor muscle, identify its blood and nerve supply and clavipectoral fascia. |
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| 5. Review the bony landmarks of the upper limb. |
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| 6. Skin the upper limb (except the palm of the hand). |
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| 7. Find the superficial veins and cutaneous nerves of the upper limb. |
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| 8. Review the bony landmarks. |
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| 9. With the arm abducted, remove the fat and lymph nodes from the axilla. |
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| 10. 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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| 11. Separate all brachial plexus nerves and axillary artery branches. |
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| 12. Reflect deltoid muscle from acromion and spine of scapula. |
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| 13. Saw off acromion and reflect supraspinatus muscle. |
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| 14. Reflect infraspinatus from the medial border of scapula toward shoulder and find nerves and vessels beneath. |
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| 15. Dissect the teres minor and major muscles. |
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| 16. Open the arm compartments. |
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| 17. 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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