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14 Cards in this Set
- Front
- Back
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True or False: The articular surface of the sacrum is concave.
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True
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The ligament that connects L5 to the sacrum. (L5-S1 zygophysial joint) is?
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Iliolumbar ligament
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The shape of the sacrum prevents?
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inferior displacement
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The SI ligaments prevent?
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posterior displacement
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Anterior displacement is resisted by_________and____.
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SI ligaments and pubic symphysis
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Form Closure refers to what?
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The self locking mechanism of the pelvis; the sacrum and ilium form S shaped joint surface.
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Force closure refers to what?
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Tension of muscles, ligaments and fascia that stabilize the SI joint.
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In Nutation the sacral base rotates________on the ilium, and/or the ilium rotates______on the sacrum.
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In Nutation the sacral base rotates_anteriorly_on the ilium, and/or the ilium rotates_posteriorly_on the sacrum.
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In counternutation the sacral base rotates________on the ilium, and/or the ilium rotates______on the sacrum.
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In counternutation the sacral base rotates_posteriorly_on the ilium, and/or the ilium rotates_anteriorly_on the sacrum
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True or False
Movement in the pubic symphysis includes: compression, distraction, rotation, and gliding |
True
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Name 3 muscles that are responsible for Nutation/anterior pelvic tilt.
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Hip Flexors
1.Iliopsoas 2. Rectus Femoris Back Extensors 3. Erector spinae |
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Name the 4 muscles that are responsible for counter nutation/posterior pelvic tilt.
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Hip Extensors
1.Gluteus Maximus 2. Hamstrings Abdominal Muscles 3. Rectus Abdominis 4.External Obliques |
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The articular surface of the ilium is convex or concave?
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convex
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Amphiarthrosis: a slightly moveable joint with a fibrocartilagenous disc.
Which joint of the pelvis does this describe? |
pubic symphysis
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