2[1]MCKENZIE RA.Treat your own back[M].5th ed. Waikanae:Spinal Publications,1997:42,65.
3[2]WILLIAMS PC.Lesions of the lumbosacral spine.Part II. Chronic traumatic(postural) destruction of the lumbosacral intervertebral disk[J].JBJS,1937,19:690-703.
4[3]BARTELINK DL.The role of abdominal pressure on the lumbar intervertebral disk[J].JBJS,1957,39:718-725.
5[4]KUMAR S.Spinal loading in static and dynamic postures:EMG and intra abdominal pressure study[J].Ergonomics,1983,26:913-922.
6[5]KUMAR S.The effect of sustained spinal load on intra abdominal pressure and EMG characteristics of trunk muscles[J].Ergonomics,1997,40:1312-1334.
7[6]ORDWAY N.Cervical flexion, extension, protrusion and retraction:A radiographic segmental analysis[J].Spine,1999,24(3):240-247.
8[7]MCKINNEY LA.Early mobilization and outcome in acute sprains of the neck[J].Br Med J,1989,299:1005.
9[8]MCKENZIE RA.Manual correction of sciatic scoliosis[J].NZ Med J,1972,76:194-199.
10[9]SUFKA A.Centralization of low back pain and perceived functional outcome[J].J Ortho Sports PTher,1998,27(3):205-212.