No One Really Knows What Muscle Knots Are
by Beth Skwarecki from Lifehacker on (#63T1Q)

We sometimes get hard, painful, or tender lumps in our muscles. This is pretty common, and we often call them muscle knots." Go to a massage therapist and you may be told you have trigger points" or need myofascial release." But is that really what's going on? The truth is a little more complicated.