With rest and the absence of perpetuating factors TP s can revert from an active to a latent state. There is usually a pattern of recurrent episodes of the same pain. Myofascial trigger points often cause phenomenon other than pain. Autonomic concomitants in the pain reference zone include localized vasoconstriction, sweating, lacrimation, coryza, salivation, and pilomotor activity. Proprioceptive disturbances caused by trigger points include imbalance, dizziness, tinnitus, and distorted perception of the weight of objects lifted in the hands.
Muscle strength becomes unreliable and patients tend to drop things.
Trigger points in the soleus can cause depressed ankle jerk. Knee buckling caused by inhibition of the quadriceps can be due to TP s in the vastus medialis. These symptoms can occur instead of pain, or in addition to pain. Trigger points can cause dysfunction in muscles at a distance. Treatment of trigger points in the muscles of mastication can relieve or reduce cervical or lumbar pain.