How to test for the long thoracic nerve?
Long thoracic nerve innervates Serratus anterior. Serratus anterior originates from outer surface of upper 8 ribs and inserts onto inferior angle and medial border of scapula.
Actions
-        It rotates the scapula to help in overhead abduction.
-        Steady the scapula to carry weight.
-        Pushing of arm forward in horizontal position.
-        Helps in forced inspiration.
Touch the opposite shoulder
Shoulder shrug
Raise the arm above the head
Lift an object from the ground