It's important to be realistic about what one deep tissue massage can achieve. Many people ask for more pressure, thinking that if the therapist just pushes hard enough, they can get rid of all their knots in an hour. This just won't happen. In fact, undoing chronic knots and tension built up over a lifetime is best achieved with an integrated program that includes exercise, work on your posture and ways of moving, relaxation techniques and a regular program of massage.
