Answer:
 

The nerve root of C6 runs between vertebrae C6 and C5.  Nerve function at C6 includes:
 

Motor Function	C6  biceps, brachioradialis,  partial pectoralis	C6 extensor carpi radialis, rotator cuff, partial latissimus
strong bicep muscles (strong elbow flexion) weak wrist extension tenodesis (ability to passively flex fingers with wrist extension) shoulder rotation, adduction and abduction (move arm towards and away from body at shoulder)
Sensory Function	C6	C6
sensation for C6 includes thumb side of lower forearm thumb (radial nerve) and first finger (median nerve)

Expected level of Function

• feeding and grooming
• able to use assisted devices to grasp objects
• can roll over and maneuver in bed
• may drive car with hand controls
• may be able to transfer

References:

Barr, M, and Kiernan, J. (1993). The Human Nervous System: An Anatomical Viewpoint. Philadelphia: Lippincott. pp 84-85.

Keppler, J. (1987). Acute spinal cord injury. Critical Care Clinics. July. 3:3. pp. 638-641.

Netter, F. (1989). Atlas of Human Anatomy. New Jersey: Novartis.

Waxman, S. (1996). Correlative Neuroanatomy. 23rd Ed.  Stamford: Lange. pp 46-52, 352-355, 370.
 
 

Brenda Morgan
Clinical Educator, CCTC
May 26, 2000