3 – Anatomy: the median nerve course from the axilla to the cubital region

The median nerve runs in the medial bicipital groove alongside the brachial artery and veins, which is a subcutaneous longitudinal groove that runs medially along the arm

The medial bicipital groove is delineated by the biceps brachii, the brachialis and the medial intermuscular septum (see next page)

Proximally in the bicipital groove, the median nerve is lateral to the brachial artery

Along the course to the cubital fossa the median nerve crosses to the medial side of the artery – usually crossing anterior to the artery