Nerve root involvement Level C5

Skills: Neck
Quiz: Neck

Lazar RB, Yarkony GM, Ortolano D, Heinemann AW, Perlow E, Lovell L, Meyer PR. Prediction of functional outcome by motor capability after spinal cord injury. Arch Phys Med Rehabil. 1989 Nov;70(12):819-22. PMID: 2818153.

C5, extended motor examination

Shoulder abduction
M. supraspinatus (N. suprascapularis)
M. deltoideus (N. axillaris)

Shoulder internal/external rotation
M. subscapularis (N. subscapularis)
M. infraspinatus (N. suprascapularis)

C5, extended sensory examination

C5 dermatome

Middle and lower part of the shoulder
(via N. axillaris)
Lateral and posterior part of the upper arm and forearm to wrist level
(via N. radialis)

Back to the neck