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 ...

A frequent source of lower-back pain comes from two muscles you might not have heard of—and that makes sense since you rarely see them on those medical posters of human anatomy in doctor's offices.

If you spend a lot of time sitting at a desk or in a car, and not a lot of time exercising, you’re likely to experience aches and pains in your lower back from time to time. It may seem like modern ...