Muscles of Leg and Foot Flashcards
Tibialis Anterior
Proximal Attachment
Lateral proximal 2/3 tibia
Adjacent interosseous membrane
Distal Attachment
Plantar surface of medial cuneiform
Base of 1st metatarsal
Action
Dorsiflexion
Inversion
Innervation
Deep peroneal nerve
Blood Supply
Anterior tibial artery
Extensor Hallucis Longus
Proximal Attachment
Middle 1/2 anterior fibula
Adjacent interosseous membrane
Distal Attachment
Dorsal surface of 1st distal phalanx
Action
Toe extension
Dorsiflexion
Innervation
Deep peroneal nerve
Blood Supply
Anterior tibial artery
Extensor Digitorum Longus
Proximal Attachment
Proximal 2/3 anterior fibula
Lateral condyle of tibia
Adjacent interosseous membrane
Distal Attachment
Bases of phalanges 2-5 via dorsal digital expansion
Action
Toe extension
Dorsiflexion
Innervation
Deep peroneal nerve
Blood Supply
Anterior tibial artery
Peroneus Tertius
Proximal Attachment
Anterior distal 1/4 of fibula
Adjacent interosseous membrane
Distal Attachment
Dorsal surface of base of fifth metatarsal
Action
Dorsiflexion
Eversion
Innervation
Deep peroneal nerve
Blood Supply
Malleolar artery
Peroneus Longus
Proximal Attachment
Lateral surface proximal 2/3 and head of fibula
Distal Attachment
Medial cuneiform
Base of first metatarsal
Action
Plantarflexion
Eversion
Support longitudinal and transverse foot arch
Innervation
Superficial peroneal nerve
Blood Supply
Peroneal artery
Peroneus Brevis
Proximal Attachment
Lateral surface distal 2/3 of fibula
Distal Attachment
Tuberosity on base of fifth metatarsal
Action
Plantarflexion
Eversion
Innervation
Superficial peroneal nerve
Blood Supply
Anterior tibial artery
Gastrocnemius
Proximal Attachment
Posterior aspect of medial and lateral femoral condyles
Capsule of knee joint
Distal Attachment
Posterior calcaneus via calcaneus tendon
Action
Plantarflexion
Knee flexion
Innervation
Tibial nerve
Blood Supply
Popliteal artery
Soleus
Proximal Attachment
Soleal line and posterior surface of tibia
Posterior upper fibula
Distal Attachment
Posterior calcaneus via calcaneus tendon
Action
Plantarflexion
Innervation
Tibial nerve
Blood Supply
Posterior tibial artery
Plantaris
Proximal Attachment
Lateral supracondylar ridge of femur
Knee joint capsule
Distal Attachment
Posterior calcaneus
Action
Plantarflexion
Knee flexion
Innervation
Tibial nerve
Blood Supply
Popliteal artery
Popliteus
Proximal Attachment
Lateral condyle of femur
Lateral meniscus of knee
Distal Attachment
Posterior tibia above soleal line
Action
Unlocks knee joint
Knee joint stabilisation
Innervation
Tibial nerve
Blood Supply
Popliteal artery
Tibialis Posterior
Proximal Attachment
Upper posterior tibia and fibula
Interosseous membrane
Distal Attachment
Navicular tubercle
Tarsals and middle three metatarsals
Action
Plantarflexion
Inversion
Innervation
Tibial nerve
Blood Supply
Posterior tibial artery
Flexor Digitorum Longus
Proximal Attachment
Proximal medial tibia
Distal Attachment
Plantar surface distal phalanx 2-5
Action
Plantarflexion
Toe flexion
Innervation
Tibial nerve
Blood Supply
Posterior tibial artery
Flexor Hallucis Longus
Proximal Attachment
Lower posterior fibula
Distal Attachment
Distal phalanx digit 1
Action
Plantarflexion
Toe flexion
Innervation
Tibial nerve
Blood Supply
Peroneal artery
Extensor Digitorum Brevis
Proximal Attachment
Upper lateral calcaneus
Distal Attachment
Dorsal digital expansion 2-4
Action
Toe extension
Innervation
Deep peroneal nerve
Blood Supply
Peroneal artery
Extensor Hallucis Brevis
Proximal Attachment
Upper calcaneus
Distal Attachment
Dorsal digital expansion 1
Action
Toe extension
Innervation
Deep peroneal nerve
Blood Supply
Peroneal artery
Flexor Digitorum Brevis
Proximal Attachment
Calcaneal tubercle
Distal Attachment
Middle phalanx digits 2-5
Action
Toe flexion
Innervation
Medial plantar nerve
Blood Supply
Plantar arteries
Abductor Hallucis
Proximal Attachment
Calcaneal tubercle
Distal Attachment
Proximal phalanx digit 1
Action
Toe abduction
Innervation
Medial plantar nerve
Blood Supply
Plantar arteries
Abductor Digiti Minimi
Proximal Attachment
Calcaneal tubercle
Distal Attachment
Proximal phalanx digit 5
Action
Toe abduction
Innervation
Lateral plantar nerve
Blood Supply
Plantar arteries
Quadratus Plantae
Proximal Attachment
Calcaneal tubercle
Distal Attachment
Flexor digitorum longus
Action
Toe flexion
Innervation
Lateral plantar nerve
Blood Supply
Plantar arteries
Lumbricals
Proximal Attachment
Flexor digitorum longus
Distal Attachment
Proximal phalanx digits 2-5
Dorsal digital expansion
Action
Toe flexion
Toe extension
Innervation
Medial / lateral plantar nerve
Blood Supply
Plantar arteries
Flexor Hallucis Brevis
Proximal Attachment
Cuboid and lateral cuneiform
Distal Attachment
Proximal phalanx digit 1
Action
Toe flexion
Innervation
Medial plantar nerve
Blood Supply
Plantar arteries
Adductor Hallucis
Proximal Attachment
Metatarsals 2, 3, 4
Distal Attachment
Proximal phalanx digit 1
Action
Toe adduction
Innervation
Lateral plantar nerve
Blood Supply
Plantar arteries
Flexor Digiti Minimi Brevis
Proximal Attachment
Metatarsal 5
Distal Attachment
Proximal phalanx digit 5
Action
Toe flexion
Innervation
Lateral plantar nerve
Blood Supply
Plantar arteries
Dorsal Interossei (4)
Proximal Attachment
Metatarsals 2-4
Distal Attachment
Proximal phalanx digits 2-4
Action
Toe abduction
Toe flexion
Toe extension
Innervation
Lateral plantar nerve
Blood Supply
Plantar arteries
Plantar Interossei (3)
Proximal Attachment
Metatarsals 3-5
Distal Attachment
Proximal phalanx digits 3-5
Action
Toe adduction
Toe flexion
Toe extension
Innervation
Lateral plantar nerve
Blood Supply
Plantar arteries
