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The activity has an image with defined hotspot areas. The hotspot areas in the image are labeled as:

SUPRASCAPULAR NERVE (C5, C6), Passes under the transverse scapular ligament (army over, navy under) from superior or upper trunk, innervates supraspinatus and infraspinatus muscles
NERVE TO SUBCLAVIUS, superior trunk, (C5,C6), innervates subclavius muscle