muscle: quadratus lumborum

yogabook / muscles / quadratus lumborum

Linkmap

Muskeln Übersichtskarte Pectineus Obturator externus Adduktor magnus Adduktor brevis Adduktor longus Adduktor magnus Adduktor magnus Vastus medialis Qudratus lumborum Psoas minor Psoas_major Iliacus Tensor fasciae latae Pectineus Sartorius Rectus femoris Quadrizeps Vastus lateralis Ilocapsularis Articularis genus

M. quadratus lumborum

In addition to the movements mentioned, the quadratus lumborum is an expiratory respiratory muscle and pulls the lowest rib downwards
Origin: iliac bone(crista iliaca), iliolumbar ligament, transverse process of the 5th lumbar vertebra
Insertion: lower edge of the lowest rib, transverse processes of the 1st-3rd lumbar vertebrae
Antagonists:
Movement: lowering of the lowest (12th) rib, with unilateral innervation: lateral trunk flexion or elimination of the contralateral lateral trunk flexion, stabilization of the lower ribs against the pull of the diaphragm. With bilateral innervation: extension of the lumbar spine
Strengthening postures(552): trikonasana – the less supported the more, ardha chandrasana – the less supported the more
Stretching pos es(551): Trunk side bend seated, parivrtta janu sirsasana, parivrtta parsva upavista konasana