The flashcards below were created by user
trulyabaker
on FreezingBlue Flashcards.
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What is the linea alba?
- - a band of tough connective tissue in the midline of the anterior abdominal wall
- - it serves as a muscle attachment
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What is the rectus abdominus?
a muscle that spans from the ribs and sternum to the pubic bones
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What is the transversus abdominis?
this muscle forms the third layer (deepest layer) of the abdominal wall muscles
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What is the action of the external oblique muscle?
to tense the abdomonial wall and compress abdominal contents
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What is the action of the rectus abdominis?
to tense the abdominal wall and compress abdominal contents and flex the vertebral column
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What muscles together form the erector spine group?
- - the three deep back muscle groups...
- - the iliocostalis, longissimus, spinalis
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What forms the pelvic diaphram?
the levator ani and coccygeus
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The levator ani provides a sphincterlike action in the what?
in the anal canal and vagina
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What is the action of the coccygeus?
to support pelvic viscera and and provide sphincterlike action in the anal canal and vagina
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What surrounds the base of the penis?
the bulbospongiosus
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In femals what does the bulbospongiosus act to do?
it acts to constrict the vagina and assist in erection of clitoris
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The ischiocavernosus extends from where to where?
it extends from the margin of the pubic arch to the ischial tuberosisty
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In females, the levator ani muscles are separated by what?
they are seperated by the vagina, urethra, and anal canal
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What is the action of the superficial transversus perinei?
to support pelvic viscera
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The coccygeus extends from where to where?
it extends from the coccyx and sacrum to the ischial spine
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What does the spincter urethrae assist in?
it assists in closing the urethra
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