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18 Cards in this Set
- Front
- Back
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What is the proper name for the creases in the gluteal region? What muscle?
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Gluteal fold / gluteus maximus
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What three sensory nerves innervate the gluteal region?
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- Sacral plexus (L4 - S4): superior and inferior gluteal nerve, nerve to obturator internus
- Sciatic nerve (tibial > common fibular > superficial and deep fibular) - Pudendal nerve |
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What are the two foramena found in gluteal region?
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greater sciatic foramen / lesser sciatic foramen
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What three structures make up the greater sciatic foramen?
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greater sciatic notch, sacrotuberous ligament, sacrospinous (slight help_
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What seven overall structures exit the pelvic cavity to the gluteal region?
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Piriformis muscle, sciatic nerve, superior and inferior gluteal nerve art vein, pudendal nerve, internal pudendal nerve, nv to obturator internus, post femoral cutaneous nv
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What three structures make up the lesser sciatic foramen?
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lesser sciatic notch, sacrospinous ligament, (slight help from sacrotuberous)
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What three structure enter the perineum?
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pudendal nerve, internal pudendal artery and vein, obturator internus muscle
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Gluteus maximus - innervation, action
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inferior gluteal nerve, extension and lateral rotation of hip, "ballerina muscle"
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Gluteus medius - innervation, action
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superior gluteal nerve, abduct and medially rotate thigh, squares pelvis
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Gluteus minimus - innervation, action
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superior gluteal nerve, abduction and medial rotation of thigh, squares pelvis
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What is gluteal medius limp?
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List toward side of an injury while ambulation.
(Trendelenburg test) |
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What is clinically significant about intramuscular injections in the gluteal region?
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They can cause injury if injected in the wrong place. Safe only in the superolateral quadrant. (Doing so avoids sciatic and gluteal nerves)
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Piriformis - innervation and action
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S1 / lateral rotation in extension and abduct in flexion
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What are two causes of sciatica?
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piriformis may put pressure on the sciatic nerve or a herniated disc can put pressure on sciatic nerve.
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Obturatos internus - innervation / action
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nerve to obturator internus, lateral rotation in extension and abduction in flexion
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Quadratus femoris - innervation / action
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nerve to quadratus femoris and lateral rotation
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Superior Gemelli - innervation / action
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nerve to obturator int / lateral rotation of hip
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Inferior Gemelli - innervation / action
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nerve to quadratus femoris / lateral rotation of hip
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