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* The '''Iliopsoas''' - the strongest muscle of the girdle
 
* The '''Iliopsoas''' - the strongest muscle of the girdle
 
** Function: Flexion of the hip and outward rotation of the stifle. ie. draws hindlimb forward
 
** Function: Flexion of the hip and outward rotation of the stifle. ie. draws hindlimb forward
** In all animals, except carnivores were they are fused, the muscle can be divided into two distinct parts.
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** In all animals, except carnivores where they are fused, the muscle can be divided into two distinct parts.
 
** The '''Greater Psoas''' - the lumbar portion.
 
** The '''Greater Psoas''' - the lumbar portion.
 
*** Origin: last thoracic vertebrae and ribs and the bodies and transverse processes of the lumbar vertebrae.
 
*** Origin: last thoracic vertebrae and ribs and the bodies and transverse processes of the lumbar vertebrae.
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** Origin: Ventral aspect of the transverse processes of the lumbar vertebrae and the proximal ends of the ribs
 
** Origin: Ventral aspect of the transverse processes of the lumbar vertebrae and the proximal ends of the ribs
 
** Insertion: Ventral aspect of the wings of the ilium and sacrum.
 
** Insertion: Ventral aspect of the wings of the ilium and sacrum.
      
===Rump Muscles===
 
===Rump Muscles===
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