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Origin, Insertion, Action, Nerve Innervation

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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MUSCLE
ORIGIN
INSERTION
ACTION
INNERVATION
Pectineus   Superios ramus of pubis   pectineal line   hip flexion, adduction   Femoral Nerve (L2-L4)  
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Adductor longus   pubis   middle 1/3 of linea aspera   hip adduction   Obturator Nerve (L3-L4)  
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Adductor Brevis   pubis   pectineal line, proximal linea aspera   hip addcution   Obturator Nerve (L3-L4)  
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Adductor Magnus   pubis   entire length of linea aspera and adductor tubercle   hip adduction   Obturator Nerve (L3-L4) and SCIATIC NERVE  
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Gracilis   pubis   anteromedial aspect of proximal tibia   hip adduction, assist knee flexion   Obturator Nerve (L2-L3)  
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Gluteus Maximus   posterior sacrum and ilium   posterior aspect of femur just distal to IT band and Greater trochanter   hip extension, hyperextension, lateral rotation   Inferior Gluteal Nerve (L5-S2)  
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Gluteus Minimus   outer ilium   lateral surface of greater trochanter   hip abduction   Superior Gluteal Nerve (L4-S1)  
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Gluteus Medius   lateral ilium   anterior surface of greater trochanter   hib abduction, medial rotation   Superior Gluteal Nerve (L4-S1)  
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Tensor Fascia Latae   ASIS   Lateral condyle of tibia   Combined hip flexion and abduction   Superior Gluteal Nerve (L4-L5)  
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Semimembranosus   Ischial Tuberosity   Posterior surface of medial condyle of tibia   hip extension, knee flexion   Sciatic Nerve (L5-S2)  
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Semitendonosus   Ischial Tuberosity   Anteromedial aspect of proximal tibia   hip extension, knee flexion   Sciatic Nerve (L5-S2)  
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Biceps Femoris   Ischial Tuberosity (short head - lateral lip of linea aspera)   fibular head   hip extension, knee flexion, (short head - knee flexion only)   Sciatic Nerve (L5-S2)  
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Obturator Externus         Obturator Nerve  
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Piriformis         S1-S2  
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Obturator Internus/Gemellus Superior         Nerve to Obturator Internus  
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Quadratus Femoris/Gemellus Inferior         Nerve to Quadratus Femoris  
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Iliopsoas   Iliac fossa, Lateral surface of vertebrae T12-L5   Lesser Trochanter   hip flexion   Femoral Nerve (L2-L3)  
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Sartorius   ASIS   Anterior surface of proximal tibia   fip flexion, abduction, lateral rotation, knee flexion   Femoral Nerve (L2-L3)  
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Rectus Femoris   AIIS   Tibial Tuberosity   hip flexion, knee extension   Femoral Nerve (L2-L4)  
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Created by: SaraBranch
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