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bears no more than 18% of the total compressive load borne by the lumbar spine.1
57.3 Ligaments Besides disc and the facet joints there are seven ligaments connecting the adjacent vertebrae: - one pair of inter-transverse ligaments and inter-laminar ligament (called ligamentum flavum because of its yellow colour) - and one each of interspinous ligament, anterior and posterior longitudinal ligaments (see chapter 6 and Figures 10 and 11 and figure 25).
57.4 The motion segment The adjacent vertebrae with the disc, facet joints, the connecting ligaments and muscles together form a motion segment. Between the atlas (C1) and the sacrum (S1) the spine consists of 24 such motion segments. The range and direction of movement in individual motion segment varies and depends on the anatomical peculiarities of that segment.
57.5 Activity related back pain can arise from one or more of these motion |
