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Musculature/Innervation Review of the Thigh PTA

Quiz yourself by thinking what should be in each of the black spaces below before clicking on it to display the answer.
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Question
Answer
Psoas Major   show
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Psoas Minor   show
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Iliacus   show
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show Origin: pubic ramus. Insertion: spiral line.Nerve Femoral. Action: adducts and flexes hip at thigh.  
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Iliopsoas   show
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Piriformis   show
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show Origin: inner surface of obturater membrane. Insertion: greater trochanter. Nerve: sacral plexus. Action: abducts & rotates laterally thigh,and stabiliser of the hip during walking.  
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show Origin: outer surface of the obturator membrane. Insertion: greater trochanter. Nerve: Obturator. Action: adducts thigh, laterally rotates thigh.  
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show Origin: ischial spine. Insertion: greater trocantor. Nerve: sacral plexes. Action: rotates thigh laterally.  
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Gemellus Inferior   show
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Quadratus Femoris   show
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Gluteus Maximus   show
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show Origin: outer surface of ilium. Insertion: greater trochanter. Nerve: superior gluteal. Action: Abducts thigh @ hip;anterior fibers medially rotate thigh;posterior fibers lateraly rotate hip @ thigh.  
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show Origin: outer surface of ilium. Insertion: greater trochanter. Nerve: superior gluteal. Action: abducts thigh @ hip;anterior fibers medially rotate thigh.  
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Sartorius   show
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show Origin: just above ischial tuberosity. Insertion:tibial tuberosity. Nerve: femoral L5,S1. Action: lateral rotation and adduction of thigh.  
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Gracilis   show
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show Origin:pubic bone. Insertion: Linea Aspera. Nerve:Obturator (anterior branch)L3 L4. Action:adducts thigh and assists in lateral rotation.  
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show Origin: pubic bone. Insertion: Linea Aspera. Nerve: Obturator (anterior branch)L3 L4. Action: Adducts thigh and assists in lateral rotation.  
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Adductor Magnus   show
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show Origin: iliac crest. Insertion: iliotibial band. Nerve: sciatic-tibial. Action: abducts and flexes thigh @ hip.  
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Biceps Femoris   show
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show Origin: ischial tuberosity. Insertion: upper medial tibia. Nerve: Sciatic-Tibial portion L5,S1,S2. Action: Extends hip @ thigh.also flexes leg @ knee and medially rotates leg if knee is flexed.  
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Semitendinosus   show
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Created by: dwylinmiller
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