The axillary nerve is located approximately 7cm from the tip of the acromion. The axillary nerve comes off the of the brachial plexus (middle trunk, posterior division, posterior cord) carrying fibers from C5 and C6. The axillary nerve travels through the quadrangular space with the posterior circumflex humeral artery and vein to innervate the teres minor and deltoid muscles and supply sensation over the lateral shoulder. The safe zones for deltoid-splitting incisions. They found the distance from the tip of the acromion to the axillary nerve varied depending on patient specific factors like arm length and they identified a safe area where dissection was free of injury to the axillary nerve
Posted on: Sat, 03 Jan 2015 13:55:29 +0000
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