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- Gastrocnemius
- Origin: lateral and medial condyle of the femur
- Insertion: Calcaneus
- Action: plantar flexion
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- Soleus
- Origin: head of fibula
- Insertion: calcaneus
- Action: plantar flexion
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- Plantaris
- Origin: lateral supracondylar ridge of femur
- Insertion: calcaneus
- Action: plantar flexion
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- Popliteus
- Origin: lateral condyle of femur
- Insertion: posterior surface of tibia
- Action: flexes knee
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- Tibialis Posterior
- Origin: posterior surfaces of tibia
- Insertion: navicular, cuboid, and cuneiform
- Action: plantar flexion
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- Flexor Digitorum Longus
- Origin: posterior surface of tibia
- Insertion: distal phalanges of digits 2-5
- Action: plantar flexion
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- Flexor Hallucis Longus
- Origin: posterior surface of fibula
- Insertion: distal phalanx of great toe
- Action: plantar flexion
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- Tibialis Anterior
- Origin: proximal tibia
- Insertion: base of 1st cuneiform
- Action: dorsiflexion
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- Extensor Hallucis Longus
- Origin: medial fibula
- Insertion: distal phalanx of great toe
- Action: extends great toe
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- Extensor Digitorum Longus
- Origin: interosseous membrane
- Insertion: middle and terminal phalanges of 4 lateral toes
- Action: dorsiflexion
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- Fibularis Longus
- Origin: upper 2/3rds of fibula
- Insertion: 1st metatarsal and 1st cuneiform
- Action: plantar flexion
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- Fibularis Brevis
- Origin: lateral surface of fibula
- Insertion: 5th metatarsal
- Action: eversion of foot
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