The areas of the body affected by the pain, tingling, numbness or
muscle weakness caused by nerve impingement will depend on the location of the annular
tear, as described below:
C5 – pain or mild numbness in the shoulders, deltoid muscle weakness, reduction in biceps reflex
C6 – radiating arm pain, biceps weakness, weakness in the wrist extensors, reflex reduction in the muscles of the forearm, numbness in the thumb
C7 – middle finger numbness, radiating arm pain, diminished reflex in the tri