If you’ve got a lump on top of your shoulder muscle, you have a good chance of it being a trapezius knot. This type of lump in the trapezius muscle — called a myofascial trigger point — is among the ...

Trigger point injections can help treat some forms of chronic muscle pain. After your injections, you may experience some mild tenderness or soreness, but you can go back to your normal activities ...

Trigger points can arise from stress, anxiety, and even vitamin deficiencies. So how can they be treated? This thermal image of the body highlights a region that contains common trigger points. We don ...