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 ...

Doctors use trigger point injections to treat chronic muscle pain and other issues that affect the musculoskeletal system. They can cause side effects, including temporary numbness and dizziness.

Myofascial pain management and trigger point therapy represent a dynamic field aimed at alleviating neuromuscular pain stemming from hyperirritable nodules within taut muscle bands. Current ...