This section is from the book "The Horse - Its Treatment In Health And Disease", by J. Wortley Axe. Also available from Amazon: The Horse. Its Treatment In Health And Disease.
Situated beneath the loins on the inner side of the muscle last described.
Origin. - From the bodies of the three or four last dorsal and all the lumbar vertebrae.
Insertion. - To a small bony eminence (ilio-pectineal) on the front of the ilium.
Action. - When the loins are fixed, it draws the pelvis forward and flexes it on the spine. When the pelvis is fixed, it roaches the back.
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