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Origin Insertion

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
Nerve
Rectus Femoris Muscle   Anterior inferior iliac spine   Tibial tuberosity   Hip flexion, knee extension   Femoral nerve L2,L3,L4  
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Sartorius Muscle   Anterior superior iliac spine   Proximal medial aspect of tibia   Combination of hip flexion, abduction, lateral rotation, and knee flexion   Femoral nerve L2,L3  
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Pectineus Muscle   Superior ramus of pubis   Pectineal line of femur   Hip flexion and adduction   Femoral nerve L2,L3,L4  
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Adductor Longus Muscle   Pubis   Middle third of linea aspera   Hip adduction   Obturator nerve L3,L4  
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Adductor Brevis Muscle   Pubis   Pectineal line and proximal linea aspera   Hip adduction   Obturator nerve L3,L4  
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Adductor Magnus Muscle   Ishium and pubis   Entire linea aspera and adductor tubercle   Hip adduction   Obturator and sciatic nerves L3,L4  
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Gracilis Muscle   Pubis   Anterior medial surface of proximal end of tibia   Hip adduction   Obturator nerve L2,L3  
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Gluteus Maximus Muscle   Posterior sacrum and ilium   Posterior femur distal to greater trochanter and to iliotibial band   Hip extension, hyperextension, and lateral rotation   Inferior gluteal nerve L5,S1,S2  
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Deep Rotator Muscles   Posterior sacrum, ischium, pubis   Greater trochanter area   Hip lateral rotation   Numerous  
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Semimembranosus Muscle   Ischial tuberosity   Posterior surface of medial condyle of tibia   Extend hip and flex knee   Sciatic nerve L5,S1,S3  
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Semitendinosus Muscle   Ischial tuberosity   Anteromedial surface of proximal tibia   Extend hip and flex knee   Sciatic nerve L5,S1,S2  
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Biceps Femoris Muscle   Long head: ischial tuberosityShort head: lateral lip of linea aspera   Fibular head   Long head: extend hip and flex kneeShort head: flex knee   Long head: sciatic nerve S1,S2,S3Short head: common peronealnerve L5,S1,S2  
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Gluteus Medius Muscle   Outer surface of the ilium   Lateral surface of the greater trochanter   Hip abduction   Superior gluteal nerve L4,L5,S1  
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Gluteus Minimus Muscle   Lateral ilium   Anterior surface of the greater trochanter   Hip abduction, medial rotation   Superior gluteal nerve L4,L5,S1  
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Tensor Fascia Latae Muscle   Anterior superior iliac spine   Lateral condyle of tibia   Combined hip flexion and abduction   Superior gluteal nerve L4,L5  
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Vastus Lateralis Muscle   Linea aspera   Tibial tuberosity via patellar tendon   Knee extension   Femoral nerve L2,L3,L4  
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Vastus Medialis Muscle   Linea aspera   Tibial tuberosity via patellar tendon   Knee extension   Femoral nerve L2,L3,L4  
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Vastus Intermedialis Muscle   Anterior femur   Tibial tuberosity via patellar tendon   Knee extension   Femoral nerve L2,L3,L4  
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Popliteus Muscle   Lateral condyle of femur   Posterior medial condyle of tibia   Initiates knee flexion   Tibial nerve L4,L5,S1  
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Gastrocnemius Muscle   Medial and lateral condyles of femur   Posterior calcaneus   Knee flexion, ankle plantar flexion   Tibial nerve S1,S2  
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Soleus Muscle   Posterior tibia and fibula   Posterior calcaneus   Ankle plantar flexion   Tibial nerve S1,S2  
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Plantaris Muscle   Posterior lateral condyle of femur   Posterior calcaneus   Very weak assist in knee flexion and ankle plantar flexion   Tibial nerve L4,L5,S1  
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Tibialis Posterior Muscle   Interosseous membrane, adjacent tibia and fibula   Navicular and most tarsals and metatarsals   Ankle inversion; assists in plantar flexion   Tibial nerve L5,S1  
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Flexor Hallucis Longus Muscle   Posterior fibula and interosseous membrane   Distal phalanx of the great toe   Flexes great toe; assists in inversion and plantar flexion of the ankle   Tibial nerve L5,S1,S2  
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Flexor Digitorum Longus Muscle   Posterior tibia   Distal phalanx of four lesser toes   Flexes the four lesser toes; assists in ankle inversion and plantar flexion of the ankle   Tibial nerve L5,S1  
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Tibialis Anterior Muscle   Lateral tibia and interosseous membrane   First cuneiform and metatarsal   Ankle inversion and dorsiflexion   Deep peroneal nerve L4,L5,S1  
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Extensor Hallicis Longus Muscle   Fibula and interosseous membrane   Distal phalanx of great toe   Extends first toe; assists in ankle inversion and dorsiflexion   Deep peroneal nerve L4,L5,S1  
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Extensor Digitorum Longus Muscle   Fibula, interosseous membrane, tibia   Distal phalanx of four lessor toes   Extends four lessor toes, assists in ankle dorsiflexion   Deep peroneal nerve L4,L5,S1  
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Peroneus Longus Muscle   Lateral proximal fibula and interosseous membrane   Plantar surface of first cuneiform and metatarsal   Ankle eversion; assists in ankle plantar flexion   Superficial peroneal nerve L4,L5,S1  
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Peroneus Brevis Muscle   Lateral distal fibula   Base of fifth metatarsal   Ankle eversion; assists in plantar flexion   Superficial peroneal nerve L4,L5,S1  
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Peroneus Tertius Muscle   Distal medial fibula   Base of fifth metatarsal   Assists in ankle eversion and dorsiflexion   Deep peroneal nerve L4,L5,S1  
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Adductor Hallicis Muscle         Medial plantar tibial L4,L5  
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Flexor Hallicis Brevis         Medial plantar tibial L4,L5,S1  
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Flexor Digitorum Brevis         Medial plantar tibial L4,L5  
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Lumbricales Medial 1 Muscle         Medial plantar tibial L4,L5  
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Lumbricales Lateral 3 Muscle         Lateral plantar tibial S1,S2  
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Abductor Digiti Minimi         Lateral plantar tibial S1,S2  
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Quadratus Plantae Muscle         Lateral plantar tibial S1,S2  
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Adductor Hallicis Muscle         Lateral plantar tibial S1,S2  
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Flexor Digiti Minimi         Lateral plantar tibial S1,S2  
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Dorsal interossei Muscle         Lateral plantar tibial S1,S2  
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Plantar interossei Muscle         Lateral plantar tibial S1,S2  
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Iliopsoas Muscle   Iliac fossa, anterior and lateral surfaces of T12 through L5   Lesser trochanter   Hip flexion   Iliacus portion: Femoral nerve L2,L3Psoas major portion: Anterior Rami L2,L3  
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