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Musculoskeletal Anat
Lower Leg muscles, origins, insertions, and actions
| Muscle | Origin | Insertion | Action |
|---|---|---|---|
| Extensor hallucis longus | Fibula | Distal phalanx of great toe | Great toe extension @ several joints Foot dorsiflexion @ ankle |
| Fibularis (Peroneus) longus | Fibula | Medial foot | Foot eversion Plantar flexion @ ankle |
| Fibularis (Peroneus) brevis | Fibula | Lateral foot | Foot eversion Plantar flexion @ ankle |
| Tibialis posterior | Proximal posterior tibia and fibula | Tarsals | Foot inversion Plantar flexion @ ankle |
| Flexor digitorum longus | Posterior tibia | Phalanges | Toe flexion @ several joints Weak foot plantar flexion Inversion @ ankle |
| Flexor hallucis longus | Fibula | Distal phalanx of great toe | Great toe flexion @ sev joint Foot plantar flexion Inversion @ ankle |
| Gastrocnemius | Distal femur | Calcaneus | Foot plantar flexion @ ankle Leg flexion @ knee |
| Soleus | Proximal tibia and fibula | Calcaneus | Foot plantar flexion @ ankle |
| Tibialis anterior | Proximal anterior tibia | Medial foot | Foot dorsiflexion Inversion @ ankle |
| Extensor digitorum longus | Lateral tibia/fibula | Phalanges | Toe extension @ several joints Foot dorsiflexion @ ankle |