This is a sign that the muscle is not operating in a right way as in, the muscle is not operating according to the message sent by the brain. The pain is a result of inconsistency in the working of the affected muscle and the nerve connected to it.
Such nerve pressures could also indicate certain serious problems like stroke, seizures or heart attack; when the nerve cannot bear the pressure any longer. If there is not direct cause due to which the pain arises, like particular positions or postures, the consequences could be fatal. If the pain leads to difficulty in breathing, major internal problems are likely to have aroused.
The treatment to such nerve problems are many, particularly depending upon the kind and intensity of pressure exerted on it. The easiest method is to rest the area that is causing the pain or consuming anti-inflammatory drugs to subside the pain. Physical therapy is yet another method to relieve pain, while the complicated of all being, surgery to release the pressure from the disturbed nerve.