4Simons DG, Travell JG,Simons LS.Myofascial pain and dysfunction: the trigger point manual[M].Vol 1,upper half of body.2nd ed. USA:Baltimore Williams&Wikins, 1999.
5Evjenth O, Hamberg J. Muscle stretching in manual therapy:a clinical manual.Vol 1,The extremities [J].Alfta Rehab,Alfta,Sweden,1993.
6Evjenth O, Hamberg J. Muscle stretching in manual therapy:a clinical manual [J].Vol 2,The Spine. Alfta Rehab,Alfta,Sweden,1993.