Those stiff, painful spots can take up to two weeks to go away on their own. Sophie Walster/iStock via Getty Images Plus Imagine you’ve just completed a tough upper-body workout. Your muscles feel a ...

Trigger points, a.k.a. “knots,” are tender, palpable spots that can hamper your mobility and often radiate pain to other areas of the body. Beyond messing with your running, they can make everyday ...

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 ...