Term
What is the sciatic nerve formed by? |
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Definition
Anterior and posterior divisions of the ventral ramie of L4-S3. |
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Term
Where does it exit the pelvis from? |
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Definition
The greater sciatic foramen passing below the piriformis muscle. |
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Term
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Definition
On the superior gemellus, obturator internus, inferior gemellus, and quadratus muscle. |
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Term
The Sciatic nerve runs in the middle of ____________ compartment of the ___________, supplying all of its muscles. |
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Definition
middle of the posterior compartment of the thigh |
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Term
The sciatic nerve is accompanied by the _____________ artery in the ______________ fossa, wehre it terminates by dividing. |
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Definition
popliteal artery, popliteal fossa |
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Term
The sciatic nerve divides into what two branches? |
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Definition
Tibial (L4-S3), and common peroneal nerves (L4-S2) |
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Term
The two terminal nerves from the sciatic supply all of the muscles and the skin below the _______________, except _______________. |
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Definition
knee joint, except for a strip of skin along the medial aspect of the leg and foot that are innervated by the saphenous branch of the femoral nerve. |
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Term
Surface markings of sciatic nerve question 1- The surface marking of the sciatic nerve starts at a point midway between the __________ and the ____________. |
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Definition
PSIS, ischial tuberosity. |
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Term
Surface markings of sciatic nerve question 2- This point is connected by a curved line with the midpoint between ______________ and the ____________. |
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Definition
ischial tuberosity and the greater trochanter |
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Term
Surface markings of sciatic nerve question 3- It then continues vertically downwards in the midline of the _________ aspect of the thigh. |
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Definition
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