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NBME 21 Answers

nbme21/Block 3/Question#30

A 41-year-old man comes to the physician because of ...

Abduction of the upper extremity

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 +2  upvote downvote
submitted by mcl(223),

Deltoid is innervated by axillary nerve, which comes from roots C5/C6. Actions of the deltoid include abduction of the upper extremity.

seagull  I hope everyone memorized every single part of the brachial plexus and all the roots of each, No detail let untouched!!! +5  
mcl  In case anyone else has purged the whole brachial plexus from your memory (like me), this is a great resource linked by another user. https://geekymedics.com/nerve-supply-to-the-upper-limb/ +1  

 +0  upvote downvote
submitted by burak(8),

It's like Erb Plays. Axillary, suprascapularis and musculocutaneous nerve damages.

burak  palsy* +