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Abstract
Background:Trigger points are called as a “hyperirritable spot” in skeletal muscle which contains palpable nodule in a taut band”. When we press or compress this spot, it gives rise to pain, tenderness, motor impairment and autonomic phenomena. Trigger points contain sensory, motor, autonomic component.
Trigger points develops after muscular injury. This initial injury may develop due to trauma or repeated micro trauma to the muscles. Muscles having pressure points shows pain and stress in muscles. Increase in stress in muscles leads to development of fatigue which further activates pressure points. Sensory disturbances produced are proprioceptive disturbances salivation, lacrimation, changes in temperature of skin, sweating, hyperalgesia. [3].