-Branch of Axillary Artery: Supplies several regions via multiple branches
mnemonic: Cadavers Are Dead People:
-Clavicular: Runs to sternoclavicular joint
-Acromial: Rans laterally over acromial process
-Deltoid: Often arising with the acromial, it crosses over the Pectoralis minor and passes in the deltopectoral groove as the cephalic vein supply pec major and deltoids
-Pectoral branch: Descends between Pectorales and distributes to them and breast connects with lateral thoraic
1. Posterior Neck to scapular notch over ligament and on to deep surface of supraspinatus and infraspinatus muscles.
2. Companion nerve? Suprascapular nerve
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