Thursday, March 26, 2009

Brachial Plexus - Too much fun!


Here are the nerves of the brachial plexus on our live model:

axillary nerve (under the cap sleeve), a group of three starting at the deltoid muscle, anterior side: musculocutaneous nerve (the short one pointing laterally), median nerve (the one in the middle: goes to the palmar side of digits 1,2,3 & half of 4), and ulnar nerve "funny bone" (goes to palmar and dorsal side of digits 4 and 5 - only half of digit 4). Now twist your own arm so you can see your elbow. The radial nerve starts above the elbow joint and wraps around the innervate the dorsal side of digits 1,2,3.

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