Since bones, muscles, and joints move together, it can be hard to tell what is causing your pain. Bone pain usually feels deeper, sharper, and more intense than muscle pain. Unless you've pulled a ...

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 ...