Axilla region
like a tourist advertisement, Gray's says this is the GATEWAY TO THE UPPER LIMB
Axilla boundaries
Muscles
Surface markings, actions and nerve supply of:
- Subscapularis → see Rotator cuff muscles
- Teres major
Contents
Appreciation that the axilla transmits the neurovascular bundle from the neck to the upper limb
Axillary artery as a source of the blood supply to the circumflex humeral arteries. Detailed knowledge of the branches of the axillary artery NOT required
Knowledge of its root derivation (C5-T1)
Broad appreciation of the root / trunk / division / cord structure
Detailed knowledge of which nerves derive through which cord NOT required
Appreciation of the potential for plexus damage based upon its position in the axilla