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- G Vanneuville, J M Garcier, G Poumarat, M Guillot, and J Chazal.
- Laboratoire d'Anatomie, Faculté de Médecine, Clermont-Ferrand, France.
- Surg Radiol Anat. 1992 Jan 1;14(1):29-33.
AbstractUnder static loading during weight-lifting, the lumbosacral spine essentially exhibits horizontalisation of the base of the sacrum (superior plateau of S1). We have attempted to elicit the mechanism of this horizontalisation by means of radiographs. These do not demonstrate any movements of the sacroiliac joints or plasticity of the hip bones. However, a symmetrical rotation of the hip joints conditions a retroversion of the pelvic girdle which explains the horizontalisation of the upper sacral plateau. This fixation of the block of the pelvic girdle is under muscular control, so that this mechanism can be improved by appropriate training.
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