NERVE LIBRARY · Upper limb
Axillary nerve
Axillary nerve
Weak shoulder abduction and lateral shoulder numbness after dislocation.
- Roots / nucleus
- C5–C6
- Function
- Mixed
- 3D protocols
- Advanced localization guide
01Course and sensory territory
Skin over the lateral deltoid.
02Motor supply
Deltoid and teres minor.
03Localization clues
Weak shoulder abduction and lateral shoulder numbness after dislocation.
04Combine the studies
Compare deltoid and teres minor with non-axillary C5–C6 muscles; use specialized motor techniques when appropriate.
Related muscles
Connect to a clinical question
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References and further reading
- Upper Extremity Proximal Mononeuropathies ↗AAPM&R KnowledgeNow · Society educational review · Link accessed 2026-09-08
- Brachial Plexopathy: Differential Diagnosis and Treatment ↗AAPM&R KnowledgeNow · Society educational review · Link accessed 2026-09-08
Educational synthesis; independent neuromuscular specialist review is pending. Publication dates and compilation dates are distinct. This is an original teaching synthesis; consult the source for complete methods and criteria.