- Bascule
with hard and high buttocks : It is essential for the dynamic
attitude.The numerous pelvic-trocanteric muscles producing external
rotation, support the opening of iliac wings, the sacrum verticalisation
which via the setting in tension of the sacral and lumbo-iliac ligaments,
raises the sacrum and tracts back L4 and L5.
So the low lumbar kyphosis is carried out, necessary to erect the
rachis from the thorny of L3.
The last two lumbar vertebrae , source of lumbagos and slipped discs
will not move any more for peoples comfort.
Notice that, during the rachis erection , the abdominal muscles
will be put in passive tension and that breathing will be free.
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Notice
too that the rise of the sacrum will relieve the constraints brought
by the weight of the body at the coxo-femoral level.
Notice too that when the chest is erected, low lumbar kyphosis will
be maintained by the trunk erecting muscles without necessiting a
pelvic-trocanteric contraction.
Moving
your body will be easier.
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