e posters of 2023-24 batch- cubital fossa
NERVES OF UPPER LIMB – MEDIAN, ULNAR, RADIAL NERVES MEDIAN NERVE: Root value: C5, C6, C7, C8, T1 It is formed in the axilla by the union of two roots – medial and lateral Formation in the axilla: Medial root is form medial cord of brachial plexus ( C8,T1) and lateral root is from lateral cord of brachial plexus ( C5,C6,C7) The medial root crosses the third part of axillary artery and joins with lateral root to form median nerve which is now lateral to the 3 rd part of axillary artery. v Course: In the front of arm In the cubital fossa In the front of forearm In the palm of hand In the front of arm: It runs lateral to third part of axillary artery and proximal part of brachial artery. In the middle of the arm, opposite the insertion of coracobrachialis, the median nerve crosses from lateral to medial side. It runs along the medial side of lower part of brachial artery and enters the cubital fossa as the medial most content. In the cubital fossa: It
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