LKnative - Thoracic longus nerve block

5 – Sonoanatomy of the long thoracic nerve along the lateral thoracic wall

At the level just below the clavicle, the long thoracic nerve runs across the serratus anterior muscle between the major psoas muscle and the pleura

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Long thoracic nerve (green arrows), anterior serratus muscle (yellow asterixs), pleura (cyan arrows), major psoas muscle (red asterix)