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44 Cards in this Set
- Front
- Back
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what are the functions of the pelvis:
1. 2. 3. 4. |
1. transfer large forces between trunk and lower extremity
2. attachment for muscles 3. support the viscera 4.mobility, micturition, defecation, passage of fetus |
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what is the proper name for the hip bone:
and what are the 3 parts: 1. 2. 3. |
innominate
1. ilium 2. ischium 3. pubis |
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where do the 3 bones of the innominate meet:
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acetabulum
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identify the labeled structures:
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(see figure)
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to transfer the forces acting upon it, the pelvis is shaped like a ...
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ring
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what does the following describe:
Large irregular triangular shaped bone made up of the five fused vertebrae below the lumbar region. |
sacrum
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identify the labeled structures:
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(see figure)
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identify the labeled structures:
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(see figure)
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in the pelvis, the ... acts like a keystone
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sacrum
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identify the labeled structures:
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(see figure)
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identify the labeled structures:
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(see figure)
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identify the labeled structures:
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(see figure)
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pelvis is an imperfect, complex but clever compromise. if the pelvic ring was smaller, the ... would be better, however, what needs to fit through the ring:
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support
baby |
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sacroiliac joint is not completely immobile, why:
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we would require a wider pelvis for fetal head
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there is a decrease in sacroiliac mobility leading to ...
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degeneration of lumbar discs
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what usually occurs in pelvic fractures:
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fractures are usually in more than one place
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what is an avulsion fracture:
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when a ligament or tendon attached to a bone pulls away a fragment of the bone
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identify the labeled structures and what muscles are involved
in the three avulsion fractures: |
asis = sartorius muscle
aiis = rectus femoris ischial tuberosity = hamstring muscle |
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identify which is the pelvic inlet and which is the pelvic outlet:
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top = inlet
bottom = outlet |
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greatest diameter of the pelvic inlet is ... while the greatest diameter of the outlet is ...
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transverse
anterior-posterior |
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The greatest diameter of the fetal skull is ... thus when it enters the inlet it “looks”: either ... and between the inlet and the outlet the fetus must rotate 90 degrees so that it presents (usually) facing the maternal ...
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anterior-posterior
right or left anus |
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where is the posterior
superior iliac spine located |
Center of the SI Joint at the level of the second sacral segment
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identify the labeled structure:
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(see figure)
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what is the dimple on each side of buttock
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Posterior Superior Iliac Spine
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the pelvic floor/diaphragm is composed of ... and ...
it is the boundary between ... and ... and has what kind of shape: |
Skeletal muscles
fascia pelvis perineum 'U'/'V'/funnel |
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identify the labeled structures:
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(see figure)
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identify the labeled structures:
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(see figure)
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the pelvic diaphragm is made up of 2 muscles:
1. 2. |
1. Levator ani
2. Coccygeus (ischiococcygeus) |
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the levator ani is divided up into what 3 muscles:
1. 2. 3. |
1. Pubococcygeus
2. Puborectalis 3. Iliococcygeus |
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what does the following describe:
most medial fibers of levator ani arise from pubis and pass posteriorly around the anal canal and form a sling |
puborectalis
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what does the following describe:
more lateral fibers arise of levator ani from pubis and insert into the coccyx |
pubococcygeus
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what does the following describe:
fibers of levator ani arise from tendinous arch and ischium adjacent to the spine |
iliococcygeus
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levator ani is innervated by:
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small branches from S3 and 4
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... Originates from ischial spine and inserts into the lowest portion of sacrum and coccyx and fuses with sacrospinous ligament
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Coccygeus
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identify the labeled structures:
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(see figure)
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identify the labeled structures:
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(see figure)
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identify the labeled structures:
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(see figure)
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identify the labeled structures:
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(see figure)
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the pelvic floor muscles act as a muscular ...
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sling
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identify the labeled structures and identify the pelvic diaphragm:
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(see figure)
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what do the diamond and the 2 triangles represent:
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the perineum is the diamond
urogential triangle is at the top anal triangle is at the bottom |
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Perineum Diamond shaped pelvic outlet bounded by the ..., ..., and the ...and is divided into the ... and ... triangles
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ischial tuberosities
pubic symphisis coccyx urogenital anal |
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identify the pelvic and urogenital diaphragms:
what triangle is this: |
pelvic (top)
urogenital (bottom) urogenital triangle |
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identify the pelvic diaphragm:
what triangle is this: |
(see figure)
anal |
