-some muscles get tight with daily things (cleaning, typing, writing, sleeping, sitting with poort posture, using cellular phone withe poor posture, stress, poor diet)
-this thigten muscles becomes nodules
-grinding sounds during massage means you do have nodules
-it is not easy to get rid of nodules when you have it.
-stretching, acupuncture, heating, kinesio taping, exercise, ems, ultrasound, deep tissue works, correct posture