How to test for the long thoracic nerve?
Touch the opposite shoulder
Shoulder shrug
Raise the arm above the head
Lift an object from the ground
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.