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Piriformis

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kms013's version from 2015-07-10 18:13

Section

DACB

 

LabelAnswer
AAnterior sacrum (2nd-4th segments) superior margin of greater sciatic notch
BSuperior aspect of greater trochanter
CExternal rotation of extended thigh, abduction of flexed hip (joint stability)
DAnterior rami of S1, S2 (Nerve to piriformis)
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