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Lower Extremity Origins and Insertions

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Question
Answer
Gluteus Maximus Origin and Insertion   O: Outer surface of the ilium and iliac crest, dorsal surface of the sacrum, lateral aspect of the coccyx and sacrotuberous ligamentI: Iliotibial tract and gluteal tuberosity of femur  
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Gluteus Medius Origin and Insertion   O: between anterior and posterior linesI: Lateral aspect of the greater trochanter of the femur  
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Gluteus Medius Origin and Insertion   O: Between anterior and inferior gluteal linesI: anterior aspect of the greater trochanter an joint capsule of the hip  
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Tensor Fascia Lata Origin and Insertion   O: Anterior superior iliac spine and anterior iliac crestI: Iliotibial tract  
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Piriformis Origin and Insertion   O: Ventrolateral aspect of the sacrumI: Greater trochanter  
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Superior Gemellus Origin and Insertion   O: Outer surface of the iliac spineI: Medial surface of the greater trochanter  
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Inferior Gemellus Origin and Insertion   O: Ischial TuberosityI: Medial surface of the greater trochanter  
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Obturator Internus Origin and Insertion   O: Inner surface of the obturator membrane and obturator foramenI: Medial surface of the greater trochanter  
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Quadratus Femoris Origin and Insertion   O: Lateral border of the ischial tuberosityI: Quadrate tubercle and intertrochanteric crest  
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Biceps Femoris Origin and Insertion   O: Long Head- Ischial TuberosityShort Head- Lateral lip of the linea asperaI: Lateral Surface, head of the fibula and lateral condyle of the tibia  
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Semitendinosus Origin and Insertion   O: Ischial TuberosityI: Medial surface of the proximal tibia  
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Semimembranosus Origin and Insertion   O: Ischial tuberosityI: Posterior aspect of the medial condyle of the tibia  
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Iliopsoas Origin and Insertion   O: From psoas major and iliacusI: Lesser trochanter of the femur  
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Sartorius Origin and Insertion   O: anterior superior iliac spineI: Superior part of the medial surface of the proximal tibia  
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Rectus Femoris Origin   O: Straight head- anterior inferior iliac spineReflected head- rim of the acetabulum  
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Vastus Lateralis Origin   O: Greater trochanter and lateral lip of the linea aspera  
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Vastus Intermedius Origin   O: Anterior and Lateral Surfaces of the shaft of the femur  
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Vastus Medialis Origin   O: Medial lip of the linea aspera and intertrochanteric line of the femur  
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Quadriceps Insertion   I: 4 muscles converge to form quadriceps tendon which encases the patella then continues distally to the tibial tuberosity  
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Pectineus Origin and Insertion   O: Pectineal line of the pubic boneI: Pectineal line of the femur  
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Adductor Longus Origin and Insertion   O: Junction of the pubic crest and the pubic symphysisI: Middle 1/3rd of the linea aspera of the femur  
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Adductor Brevis Origin and Insertion   O: Inferior ramus of the pubisI: Pectineal line of the femur, proximal linea aspera  
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Gracilis Origin and Insertion   O: Body and Inferior ramus of the pubisI: Superomedial aspect of the tibia  
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Adductor Magnus Origin and Insertion   O: Adductor Part- Ischiopubic ramusHamstring part- ischial tuberosityI: Adductor part- adductor tubercleHamstring part- gluteal tuberosity, medial supracondylar line, medial lip of the proximal 2/3 of the linea aspera  
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Obturator Externus Origin and Insertion   O: External surface of the obturator membrane and foramenI: Trochanteric Fossa  
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Tibialis Anterior Origin and Insertion   O: Lateral condyle and lateral surface of the proximal 1/4 of the tibia, interosseus membrane and crural fasciaI: Medial and plantar surfaces of the 1st metatarsal and medial cuneiform bone  
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Extensor Hallucis Longus Origin and Insertion   O: Medial surface of the fibula and interosseus membrane and the crural fasciaI: Dorsal surface of the base of the distal phalanx of the great toe  
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Extensor Digitorum Longus Origin and Insertion   O: Lateral condyle of the tibia, fibula, and interosseus membraneI: Distal phalanges of the lateral 4 digits  
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Fibularis Tertius Origin and Insertion   O: Distal 1/3 of the anterior surface of the fibula and interosseus membraneI: Dorsal surface of the base of the 5th metatarsal  
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Fibularis Longus Origin and Insertion   O: Head and proximal 3/4 of the lateral surface of the fibulaI: Lateral aspect of the base of the first metatarsal and medial cuneiform  
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Fibularis Brevis Origin and Insertion   O: Distal 1/3 of the lateral surface of the fibula and intermuscular septumI: Lateral surface of the base of the 5th metatarsal bone  
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Gastrocnemius Origin and Insertion   O: Medial Head- Medial condyle of the femurLateral Head- Lateral condyle of the femurI: Calcaneal tuberosity via the tendo calcaneus  
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Soleus Origin and Insertion   O: Posterior surface of the proximal 1/3 of the fibula and the soleal line and medial border of the tibiaI: Calcaneal tuberosity via the tendo calcaneus  
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Plantaris Origin and Insertion   O: Lateral Epicondyle of the femurI: Calcaneal tuberosity along the medial edge of the tendo calcaneus  
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Popliteus Origin and Insertion   O: Lateral Epicondyle of the femurI: posterior surface of the tibia, above the soleal line  
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Tibialis Posterior Origin and Insertion   O: Posterior surface of the interosseus membrane and medial aspect of the tibiaI: Tuberosity of the navicular, calcaneous, 3 cuneiforms, cuboid and the 2nd-4th metatarsals  
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Flexor Hallucis Longus Origin and Insertion   O: lower half of the posterior surface of the fibula and interosseus membraneI: Base of the distal phalanx of the great toe  
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Flexor Digitorum Longus Origin and Insertion   O: Medially arises from the posterios surface of the tibiaI: Distal phalanges of the lateral 4 toes  
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Extensor Digitorum Brevis Origin and Insertion   O: Calcaneous I: Lateral sides of the tendons of extensor digitorum for the 2nd-4th toes  
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Extensor Hallucis Brevis Origin and Insertion   O: Calcaneous I: Lateral side of the base of the proximal phalanx of the big toe  
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Abductor Hallucis Origin and Insertion   O: Flexor retinaculum, medial process of the calcaneal tuberosity, plantar aponeurosis I: Medial sides of the base of the proximal phalanx of the great toe  
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Abductor Digiti Minimi Origin and Insertion   O: Medial and Lateral processes of the calcaneal tuberosity and the plantar aponeurosis I: The lateral side of the base of the proximal phalanx of the little toe  
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Flexor Digitorum Brevis Origin and Insertion   O: Medial process of the calcaneal tuberosity and the plantar aponeurosis I: Via 4 tendons on the middle phalanx of the lateral 4 toes  
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Quadratus Plantae Origin and Insertion   O: Plantar surface of the calcaneous and the long plantar ligament I: Tendon of flexor digitorum longus  
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Lumbricals Origin and Insertion   O: Tendons of Flexor digitorum longus I: Dorsal digital expansions  
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Flexor Hallucis Brevis Origin and Insertion   O: Plantar surface of the cuboid, the lateral cuneiform, and the tendon of tibialis posteriorI: Two tendons on the sides of the base of the proximal phalanx of the hallux  
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Flexor Digiti Minimi Brevis Origin and Insertion   O: Base of the 5th metatarsal and the tendon of tibialis posterior I: Lateral side of the base of the proximal phalanx of the little toe  
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Adductor Hallucis Origin   O: Transverse Head- the plantar metatarsophalangeal ligaments of the 3rd-5th toes; deep transverse metatarsal ligament Oblique Head- Bases of the 2nd-4th metatarsals and the surrounding sheath of the tendon of fibularis longus  
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Adductor Hallucis Insertion   I: A common tendon inserts into the base of the proximal phalanx of the hallux  
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Plantar Interossei Origin and Insertion   O: Bases and medial surfaces of the 2nd-5th metatarsalsI: Bases of the proximal phalanges of digits 3-5 and dorsal digital expansion  
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Dorsal Interossei Origin and Insertion   O: Each by 2 heads from the adjacent sides of the metatarsals I: Dorsal Digital expansions of the 2nd-4th toes  
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