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31 Cards in this Set
- Front
- Back
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Psoas Major - Action
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flexes thigh
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Psoas Major - Innervation
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Branches of lumbar plexus
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Psoas Major - Origin
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transverse processes and bodies of T12-L5 vertebrae
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Psoas Major - Insertion
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lesser trochanter of femur with iliacus
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Iliacus - Action
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flexes thigh
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Iliacus - Innervation
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Femoral N
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Iliacus - Origin
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iliac fossa
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Iliacus - Insertion
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lesser trochanter of femur with psoas major
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Quadratus Lumborum - Action
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bilateral: extends vertebral column
unilateral: laterally flexes vertebral column |
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Psoas Minor - Action
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flexes thigh
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Ischiocavernosus - Action
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assists erection of penis or clitoris
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Ischiocavernosus - Innervation
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Pudendal N
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Bulbospongiosus - Action (Female)
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narrows vaginal opening; compresses and stiffens clitoris
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Bulbospongiosus - Action (Male)
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ejects urine or semen; compresses base of penis; stiffens penis
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Bulbospongiosus - Innervation
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Pudendal N
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Superficial Transverse Perineal - Action
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supports pelvic organs
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Superficial Transverse Perineal - Innervation
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Pudendal N
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Deep Transverse Perineal - Action
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supports pelvic organs
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Deep Transverse Perineal - Innervation
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Pudendal N
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External Urethral Sphincter - Action
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constricts urethra to voluntarily inhibit urination
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External Urethral Sphincter - Innervation
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Pudendal N
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External Anal Sphincter - Action
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closes anal opening; muscles relax to defacate
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External Anal Sphincter - Innervation
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Pudendal M
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Coccygeus - Action
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forms pelvic floor and supports pelvic viscera
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Coccygeus - Innervation
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Spinal NN
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Pubococcygeus (part of Levator Ani) - Action
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forms pelvic floor and supports pelvic viscera
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Pubococcygeus (part of Levator Ani) - Innervation
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Pudendal N
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Puborectalis (part of Levator Ani) - Action
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supports anorectal junction; must relax to defacate
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Puborectalis (part of Levator Ani) - Innervation
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Pudendal N
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Iliococcygeus (part of Levator Ani) - Action
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forms pelvic floor and supports pelvic viscera
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Iliococcygeus (part of Levator Ani) - Innervation
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Pudendal N
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