LKnative - Musculocutaneous nerve block

5 – Anatomy: The lateral antebrachial cutaneous nerve

The lateral antebrachial cutaneous nerve is a branch of the MC nerve and it emerges between the distal, lateral margins of the brachialis and biceps muscles at the level of the elbow crease

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Lateral antebrachial cutaneous nerve (cyan arrows), brachialis muscle (magenta arrows), biceps brachii muscle (red asterix), bicipital aponeurosis (blue asterix), biceps brachii tendon (green arrow), brachial artery (blue arrow), pronator teres (magenta asterix), flexor carpi radialis (cyan asterix), palmaris longus (yellow asterix)