Term
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Definition
| Transverse processes of lumbar vertebrae; sides of bodies of T12-L5 and intervening intervertebral disks |
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Term
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Definition
| By a strong tendon to lesser trochanter of femur |
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Term
| Innervation of Psoas Major |
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Definition
| Lumbar plexus via ventral branches of L2-L4 nerves |
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Term
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Definition
| Acting inferiorly with iliacus, it flexes thigh; acting superiorly, it flexes vertebral column laterally; it is used to balance the trunk; when sitting it acts inferiorly with iliacus to flex trunk |
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Term
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Definition
| Superior two-thirds of iliac fossa, ala of sacrum, and anterior sacroiliac ligaments |
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Term
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Definition
| Lesser trochanter of femur and shaft inferior to it, and to psoas major tendon |
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Term
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Definition
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Term
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Definition
| Flexes thigh and stabilizes hip joint; acts with psoas major |
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Term
| Origin of Quadratus Lumborum |
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Definition
| Medial half of interior border of 12th rib and tips of lumbar transverse processes |
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Term
| Insertion of Quadratus Lumborum |
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Definition
| Iliolumbar ligament and internal lip of iliac crest |
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Term
| Innervation of Quadratus Lumborum |
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Definition
| Ventral branches of T12 and L1-L4 nerves |
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Term
| Action of Quadratus Lumborum |
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Definition
| Extends and laterally flexes vertebral column; fixes 12th rib during inspiration |
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