This means that the muscles of the body are malfunctioning or are impaired from too much or too little nerve supply. power. This then means that the muscle will either be contracting too much or not enough. Both of these responses cause the muscle to fatigue more easily and loose power. Dependent upon which muscle or muscles are involved this can cause instability in the spine and hasten degenerative processes. If muscles can't work properly, the result will be chronic pain, muscle fatigue and swelling.

Abnormal muscle function.