5Kader D,Wardlaw D,Smith F. Correlation between the MRI changes in the lumbar multifidus muscles and leg pain[J].Clinical Radiology,2000.145-149.
6Wilke HJ,Wolf S,Claes LE. Stability increase of the lumbar spine with different muscle groups:a biomechanical in vitro study[J].Spine,1995.192-198.
7Goldby LJ,Moore AP,Doust J. Trew ME (2006) A randomized controlled trial investigating the efficiency of musculoskeletal physiotherapy on chronic low back disorder[J].Spine,1998.1083-1093.
8Bergquist Ullman M,Larsson U. Acute low back pain in industry:a controlled prospective study with special reference to therapy and confoundingfactors[J].Acta Orthopaedica Scandinavica,1970.S1-117.
5Sabuncuoglu H,Ozdogan S,Timurkaynak E.Spontaneous regression of extruded lumbar disc herniation:report of two illustrative case and review of the literature[J].Turk Neurosurg,2008(18):392-396.
6Warrs E,Eskelin M,Hermunen H.Disc degeneration in low back pain:a 17-year follow-up study using magnetic resonance imaging[J].Spine,2007(32):681-684.
7Ito T,Takano Y,Yuasa N.Types of lumbar herniated disc and clinical course[J].Spine,2001 (26):648-651.
