Study note
AnatomyAxilla

Branches of the upper trunk of the brachial plexus

THE CONTEXT
Branches from the trunks arise only from the upper trunk, which gives two named nerves.

Upper trunk branches

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The suprascapular nerve supplies supraspinatus and infraspinatus.
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The nerve to subclavius supplies subclavius and may give a root to the phrenic nerve.
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