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42 Cards in this Set
- Front
- Back
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Psoas Major
Innervation |
L2-L4 ventral rami
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Psoas Major
Superior Attachment |
Transverse processes of lumbar vertabrae
Lateral body and discs of lumbar vertabrae |
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Psoas Major
Inferior Attachment |
Lesser trochanter
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Psoas Major
Action |
Flexes thigh
Lat flex of spine Balance trunk |
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Quadratus Lumborum
Innervation |
T12-L4
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Quadratus Lumborum
Sup. Attachment |
Medial half of the inferior border of the 12rh rib and the tips of the transverse processes
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Quadratus Lumborum
Inf Attachment |
Internal lip of the iliac crest and the iliolumbar ligament
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Quadratus Lumborum
Action |
Stabilizes 12 rib during inhalation
Extends and lat flexes trunk |
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Illiacus
Sup Attachment |
Sup. 2/3 of illiac fossa
Ala of sacrum Anterior sacroiliac ligaments |
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Illiacus
Inf. Attachment |
Lesser trochanter of Femur
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Illiacus
Action |
Flex thigh
Stabilizes hip joint |
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Illiacus
Innervation |
Femoral nerve
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Iliopsoas action
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Hip flexor
maintains posture |
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Diaphragm Attachments
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Inferior margin of thoracic cage
Sup. lumbar vertebrae Posterior xiphoid process fascia of QL and P.Major |
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Diaphragm
Action |
Pushes abdominal viscera inferiorly
Increases volume of thoracic cavity |
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Pelvic Fx
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Weight bearing
Distributes weight to legs Part of birth control |
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Male vs. Female pelvis
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Female- wider, shallower, larger apertures and sacrum is less curved
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Fx of pelvic ligaments
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Stabilize sacrum
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Boundaries of True Pelvis
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Ant- pubic symph
pubic rami Post-sacrum Sup- pelvic brim Inf- Base of pubic symph to coccyx (all superior to ischial tuberosity |
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Zygapophyseal joints
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Sup and Inf articular facettes
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Interosseus ligament
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between sacrum and illium on articular surfaces- looks like glue
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Sacroilliac ligaments
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PSIS and PIIS with 1st and 2nd tubercles of sacrum
PSIS and PIIS with 3rd and 4th transverse tubercles of sacrum |
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Sacrotuberous and Sacrospinous ligament's Fx
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Holds the posterior part of the sacrum anterior
Allows some movement of SI joint |
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Sacrospinous Ligament
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creates sciatic notches
Also connects to coccyx |
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Pelvis and aging
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Sacrospinous, sacroiliac and iliolumbar ligaments ->bone
More limit of movement Greater risk of injury |
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Contents of true pelvis
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Rectum
Bladder Reproductive organs Lumbosacral plexus |
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Attachments to Uterus
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Ovarian lig (post/sup)
Falopian tube Round ligament (ant/inf) |
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Cervix & upper vagina
Innervation |
splanchnic nerves S2-S4
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Uterus
Innervation |
T11-L1
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Uterosacral Ligaments
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Cervix to sacrum
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Deep muscle of back and pelvis
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Multifidus- attach to sacrum and PSIS to spinous processes
Stabilizes vertebrae |
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Coccygeus
Post Attachment |
Inferior sacrum and coccyx
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Coccygeus
Ant. Attachment |
Ischial spine
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Coccygeus
Innervation |
Ventral rami of S4 and S5
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Coccygeus
Action |
Supports pelvic viscera
Flexes coccyx |
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Puhococcygeus
Ant. Attachment |
Pubic body
Sup. pubic ramus Obturator fascia |
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Pubococcygeus
Post. Attachment |
Coccyx
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Iliococcygeus
Ant. Attachment |
Ischial spine
Otrurator fascia |
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Ilio/Pubococcygeus
Innervation |
Nerve to levator ani, inferior anal nerve and coccygeal plexus
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Ilio/Pubococcygeus
Muscle |
Levator Ani
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Levator Ani
Fx |
Support the pelvic contents.
Relaxation- release of contents from the rectum and bladder |
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Perineum
Urogenital Triangle (U-G) |
Area below pelvic floor muscles
Holds external genital organs |
