Brachial Plexus

Question 1

What are the different sections of the Brachial Plexus. What is its associated mnemonic?

Answer 1

Robert Taylor Drinks Cold Beer= Roots, Trunks, Divisions, Cords and Branches.

Cords are further classified into lateral, posterior and medial cords

Question 2

How is the posterior cord identified

Answer 2

The axillary artery sits on top of it, and must first be moved out of the way

Question 3

MAC?

MBC?

Answer 3

Medial antebrachial cutaneous nerve—> innervates skin of the anterior and ulnar surfaces of the forearm.

Medial brachial cutaneous nerve—> innervates the skin of the medial arm

Question 4

Name all the nerves in the brachial plexus

Answer 4

Dorsal Scapular, Long Thoracic, Supraclavicular, Nerve to Subclavius, Lateral Pectoral, Musculocutaneous, Upper Subscapular, Middle Subscapular (thoracodorsal), Lower Subscapular, Axillary, Radial, Median, Ulnar, Medial Pectoral, Medial Brachial Cutaneous, and Medial antebrachial cutaneous.