Medically reviewed by Scott Zashin, MD The causes of muscle pain can vary. Also called myalgia, aching muscles can be caused ...

Background: Myofascial trigger points (MTrPs) are hyperirritable spots located in taut bands of muscle fibres. Electrophysiological studies indicate that abnormal electrical activity is detectable ...

Others feel a prick, cramp, or twitch. One goal is to stimulate a tense spot, called a trigger point. If the needle finds it, tight muscle bands may relax, which can ease your discomfort and help ...

Subjects were thoroughly screened and had magnetic resonance imaging of their hamstring muscles to exclude local pathology. The inclusion criterion was reproduction of recognisable posterior thigh ...