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Sartorius O: Anterior Superior Iliac Spine I: Medial aspect of proximal tibia. A: Flexes, abducts and laterally rotates the hip; flexes the knee. |
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Iliacus (Iliopsoas) O: Iliac fossa I: Lesser trochanter of femur. A: Flexes hip (PM). |
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Psoas Major (Iliopsoas) O: T12-L5 (Transverse processes, bodies and intervertebral discs.) I: Lesser trochanter A: Flexor of thigh (PM). Lateral flexion of vertebral column. |
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Rectus Femoris O: Anterior Inferior Iliac Spine I: Patella and tibial tuberosity via the patellar ligament. A: Extends knee; flexes hip. |
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Vastus Lateralis O: Greater trochanter, intertrochanteric line and Linea aspera. I: Patella and tibial tuberosity via the patellar ligament. A: Extends and stabilizes knee. |
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Vastus Medialis O: Lesser trochanter, intertrochanteric line and Linea aspera. I: Patella and tibial tuberosity via the patellar ligament. A: Extends and stabilizes the knee. |
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Tensor Fascia Lata O: Anterior of iliac crest; ASIS. I: Iliotibial band A: Synergist to iliopsoas and gluteal muscles in hip (Flexion and Extension). |
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Pectineus O: Superior Ramus of Pubis I: Inferior of lesser trochanter to Linea Aspera. A: Adduction and flexion of the hip; medial rotation. |
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Adductor Longus O: Pubis (near Pubic Symphysis). I: Linea Aspera A: Adducts, flexes and medially rotates hip. |
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Gracilis O: Inferior Ramus of Pubis I: Medial surface of tibia (inferior to medial condyle). A: Adducts, flexes and medially rotates thigh; flexes knee. |
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| Iliotibial Band |
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Adductor Brevis O: Inferior Ramus of Pubis I: Linea Asper A: Adducts and medially rotates thigh. |
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Adductor Magnus O: Inferior Ramus of Pubis, Ischium and Ischial Tuberosity I: Linea Aspera A: Adducts, medially rotates and flexes thigh; synergist to hamstrings. |
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Vastus Intermedius O: Anterior and lateral surface of femur. I: Patella and tibial tuberosity via the patellar ligament. A: Extends and stabilizes knee. |
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Adductor Hiatus |
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Gluteus Maximus O: Iliac crest, Posterior Superior Iliac Spine, Sacrum and Coccyx I: Iliotibial band and gluteal tuberosity of femur. A: Extension, lateral rotation and abduction of the thigh. |
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Biceps Femoris O: Long head: Ischial Tuberosity Short head: Linea Aspera I: Fibula and lateral condyle of tibia. A: Extension of the thigh, flexion and lateral rotation of knee. |
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Semitendinosus O: Ischial Tuberosity I: Inferior to medial condyle of tibia. A: Extension of thigh, flexion and medial rotation of knee. |
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Semimembranosus O: Ischial Tuberosity I: Medial condyle of tibia. A: Extension of thigh, flexion and medial rotation of knee. |
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Gluteus Medius O: Iliac crest and ala. I: Greater Trochanter A: Abduction and medial rotation of thigh. |
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Gluteus Minimus O: Ala I: Greater Trochanter A: Abduction and medial rotation of thigh. |
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Piriformus O: Anterior aspect of sacrum. I: Greater Trochanter A: Lateral rotation and abduction of thigh; stabilizes hip joint. |
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Superior Gemellus O: Ischium I: Greater Trochanter A: Lateral rotation; stabilizes hip joint. |
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Obterator Internus O: Ischium I: Greater Trochanter A: Lateral rotation; stabilizes hip joint. |
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Inferior Gemellus O: Ischium I: Greater Trochanter A: Lateral rotation; stabilizes hip joint. |
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Quadratus Femoris O: Ischium I: Greater Trochanter A: Lateral rotation; stabilizes hip joint. |
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Obterator Externus O: Ischium I: Greater Trochanter A: Lateral rotation; stabilizes hip joint. |
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Tibialis Anterior O: Lateral condyle and upper 2/3 of tibial shaft. I: Inferior surface of tarsals and metatarsals. A: Dorsiflexion and inversion of the ankle. |
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Extensor Digitorum Longus O: Proximal tibia and fibula. I: Middle and distal of phalanges 2-5. A: Dorsiflexion of ankle; extends toes. |
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Extensor Hallucis Longus O: Anterior and medial surface of fibular shaft. I: Distal phalanx of hallicus. A: Dorsiflexion and inversion of ankle; extension of hallicus. |
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Fibularis Longus O: Upper portion of lateral fibula. I: 1st Metatarsal A: Plantarflexion and eversion of ankle; supports arches. |
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Fibularis Tertius O: Distal anterior fibula. I: 5th Metatarsal A: Dorsiflexion and eversion of ankle. |
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Fibularis Brevis O: Distal fibula shaft. I: Proximal end of 5th Metatarsal. A: Plantarflexion and eversion of ankle. |
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Gastrocnemius O: Medial and lateral condyles of femur. I: Calcaneus via achilles tendon. A: Plantarflexion of ankle; flexion of knee. |
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Soleus O: Superior tibia and fibula. I: Calcaneus via achilles tendon. A: Plantarflexion of ankle. |
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Plantaris O: Posterior surface of femur above lateral condyle. I: Calcaneus via achilles tendon. A: Assists in plantarflexion of ankle and flexion of knee. |
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Popliteus O: Lateral condyle of femur. I: Proximal posterior tibia. A: Unlocks knee joint. |
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Tibialis Posterior O: Proximal posterior tibia and fibula. I: Plantar surface of tarsals and metatarsals 2-4. A: Plantarflexion and inversion of ankle; supports arches. |
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Flexor Digitorum Longus O: Middle posterior tibia. I: Distal phalanges 2-5. A: Plantarflexion and inversion of ankle; flexion of toes 2-5. |
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Flexor Hallicus Longus O: Distal posterior fibula. I: Distal phalanx of hallux. A: Plantarflexion and inversion of ankle; flexion of big toe. |
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Extensor Digitorum Brevis O: Anterior surface of calcaneous. I: Proximal phalanx of hallicus and tendon of Extensor Digitorum Longus. A: Extends toes. |
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Flexor Digitorum Brevis A: Flexes toes. |
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Abductor Hallicus A: Abducts big toe. |
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Abductor Digiti Minimi A: Abducts toes 3-5. |
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Quadratus Plantae (or Flexor Accessorius) A: Straightens out Flexor Digitorum Longus allowing for flexion of the toes. |
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Lumbricals A: Flexion and extension of the toes. |
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Flexor Hallicus Brevis A: Flexion of big toe. |
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Flexor Digiti Minimi Brevis A: Flexes toes. |
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Adductor Hallicus A: Adducts big toe. |