Supraclavicular Branches of the Brachial Plexus (MA)

Question 1

What is meant by supraclavicular ?

Answer 1

The clavicle divides the brachial plexus into a superior and inferior portion. The superior portion is called the supraclavicular branches

Question 2

Where do the branches of the supraclavicular portion arise from ?

Answer 2

They arise from the roots (rami) and superior trunk of the brachial plexus

Question 3

What are the names of the supraclavicular branches

Answer 3

1.Dorsal scapular (C5): innervates levator scapulae

2. Subclavian nerve (C5-C6): innervates the subclavius muscle
3. Suprascapular (C5-C6): innervates the supraspinatus and infraspinatus muscles of the rotator cuff
4. Long thoracic nerve (C5-C7): innervates the serratus anterior