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33 Cards in this Set
- Front
- Back
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Anterior and lateral boundaries of abdominopelvic cavity.
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Abdominal muscles; bony pelvis
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In males the _______ penetrates the abdominal muscles inferiorly as it passes through the inguinal canal.
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Spermatic cord
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The abdominal muscles and bony pelvis form what boundaries of the abdominal cavity?
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Anterior and lateral
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List the structures of the posterior boundary of the abdominopelvic cavity.
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Vertebral column, bony pelvis, iliopsoas muscles, and fascia
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Superior boundary of abdonoinopelvic cavity. Inferior boundary?
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Diaphragm; pelvic diaphragm
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Which muscles form the pelvic diaphragm? The pelvic diaphragm forms what boundary of the abdominopelvic cavity?
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LEvator ani, coccygeous muscles; inferior boundary
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List which structures make up the boundaries of the abdominopelvic cavity.
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Anterior/lateral: Abdominal muscles, bony belvis.
Posterior: vertebral column, bony pelvis, iliopsoas muscle, and fascia Superior: Diaphragm Inferior: Pelvic diaphragm (levator ani, coccygeous) |
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Origin/Insertion: Rectus abdominus
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Origin: Pubis; Insertion: Xiphoid process of sternum
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O/I: external oblique
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O: Borders of ribs 5-12, I: linea alba
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O/I: internal oblique
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O: lumbodorsal fascia and iliac crest
I: inferior surface of ribs 9-12, linea alba, and pubis |
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O/I: transverse abdominus
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O: cartilage of lower ribs, lumbodorsal fascia, and iliac crest
I: linea alba, pubis |
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O/I: psoas major:
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O: transvers processes of Vertebrae T12-L5
I: lesser trochanter of femur |
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O/I: ilacus
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O; iliac fossa, insertion: lesser trochanter of femur
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Why are the iliacus and psoas major muscles often called the ilipopsoas muscles?
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Common insertion (lesser trochanter of femur)
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What connects the rectus abdominus muscles?
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Linea alba (tough band of CT)
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The linea alba is a attachment site for what?
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Aponeuroses of three abdominal oblique muscles
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Together, the muscles of the pelvic floor form what?
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Urogenital triangle; anal triangle
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Why do pregnant and recently pregnant women do Kegels?
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Strengthen pelvic floor muscles
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The levatores ani muscles are funnel-shaped, and they taper to surround what structures?
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Anal canal, external anal sphincter
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the _____ form the pelvic floor and support the pelvic organs
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Levatores ani
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Which muscles form the levatores ani muscles?
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Pubococcygeus; Iliocoxycygenus
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O/: Levator ani
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O: inner wall of pelvis from pubis to spine of ischium
I: inner wall of coccyx, medial part of opposite levator ani |
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O/I: Coccygeus
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O: ischium; I: sacrum and coccyx
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Location of coccygeus muscle
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Posterior to levator ani, anterierior to piriformis
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Role of cocyggeus
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Assisting levator ani in supporting pelvic organs
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Actions of bulbospongiosus muscle in males
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Maintain errection; aid in ejaculation, ejection of urine from urethra
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Location of bulbospongiosus muscle in females?
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Deep to labia, covers bulb of vestibule
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Erectile tissue that surrounds vaginal and urethral orifices.
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Vetibule
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Location of bulbospongiosus muscle in males.
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Covers bulb (base) of penis
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O/I: ischiocavernosus muscle
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O: ischial tuberosity
I: close to pubic symphysis along crura (legs) of penis/clitoris |
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Most superficial of anterolateral muscles
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External oblique
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Muscle that lies deep to external abdominal oblique.
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Intneral oblique
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Innermost of abdominal muscles, deep to internal oblique
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transverse abdominus
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