C6 nerve root
Roots · C6
Joins C5 to form the upper trunk and contributes to the long thoracic nerve.
Detail
- Motor
- Contributes to biceps, brachialis and the wrist extensors
- Sensory
- Lateral forearm and the thumb (C6 dermatome)
When it goes wrong
Cervical disc herniation at C5/6 — the second commonest cervical radiculopathy, after C7
Weak elbow flexion, reduced biceps and brachioradialis reflexes, thumb numbness.
Practise this structure
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