Axillary nerve (C5-6)
Course, Motor supply, sensory supply
Course
From the cord of the brachial plexus
Lateral to radial nerve, posterior to the axillary artery
Passes into the axilla
Passes through quadrangular space
Curves around the neck of the humerus
Motor supply
Teres minor
Deltoid
Sensory supply
Patch over Deltoid laterally
How can you injure the axillary nerve?
Injured;
* Anterior dislocation
* Crutches
* Neck of humerus fractures