MUSCLES OF THE ORIGIN INSERTION ACTION ANTEROLATERAL LEG AND DORSUM OF THE FOOT Tibialis anterior Lateral condyle and lateral surface of Base of first cuneiform and first Dorsiflexes and inverts foot Deep fibular tibia and interosseous membrane metatarsal Extensor hallucis Anterior surface of fibula and Distal phalanx of toe Dorsiflexes foot and extends great toe Deep fibular longus interosseous membrane Extensor digitorum Lateral condyle of tibia; medial surface Middle and distal phalanges of Dorsiflexes foot and extends toes Deep fibular longus of fibula & interosseous membrane digits 2-5 Fibularis longus Head and lateral surface of fibula First metatarsal and first cuneiform Eversion of foot Superficial fibular and Fibularis brevis Lateral surface of fibula Fifth metatarsal Eversion of foot Superficial fibular Extensor digitorum Dorsal surface of calcaneus By four tendons into extensor Extends toes Deep fibular brevis expansion Extensor hallucis Medial surface of calcaneus Proximal phalanx of great toe Extends toes Deep fibular brevis MUSCLES OF THE ORIGIN INSERTION ACTION NERVE SOLE OF THE FOOT Abductor hallucis Tuberosity of calcaneus Medial aspect of proximal phalanx Abducts and flexes great toe; supports Medial plantar of great toe medial longitudinal arch Flexor digitorum Tuberosity of calcaneus By four tendons into middle Flexes lateral four toes Medial plantar brevis phalanx of lateral four toes
MUSCLES OF THE ANTEROLATERAL LEG AND DORSUM OF THE FOOT ORIGIN INSERTION ACTION Tibialis anterior Lateral condyle and lateral surface of tibia and interosseous membrane Base of first cuneiform and first metatarsal Dorsiflexes and inverts foot Deep fibular Extensor hallucis longus Anterior surface of fibula and interosseous membrane Distal phalanx of toe Dorsiflexes foot and extends great toe Deep fibular Extensor digitorum longus Lateral condyle of tibia; medial surface of fibula & interosseous membrane Middle and distal phalanges of digits 2-5 Dorsiflexes foot and extends toes Deep fibular Fibularis longus Head and lateral surface of fibula First metatarsal and first cuneiform and Eversion of foot Superficial fibular Fibularis brevis Lateral surface of fibula Fifth metatarsal Eversion of foot Superficial fibular Extensor digitorum brevis Dorsal surface of calcaneus By four tendons into extensor expansion Extends toes Deep fibular Extensor hallucis brevis Medial surface of calcaneus Proximal phalanx of great toe Extends toes Deep fibular MUSCLES OF THE SOLE OF THE FOOT ORIGIN INSERTION ACTION NERVE Abductor hallucis Tuberosity of calcaneus Medial aspect of proximal phalanx of great toe Abducts and flexes great toe; supports medial longitudinal arch Medial plantar Flexor digitorum brevis Tuberosity of calcaneus By four tendons into middle phalanx of lateral four toes Flexes lateral four toes Medial plantar
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