Sections View Full Chapter Figures Tables Videos Annotate Full Chapter Figures Tables Videos Supplementary Content +++ Anatomy Overview ++ Table Graphic Jump Location|Download (.pdf)|Print MUSCLE ACTIONS OF THE ANKLE AND FOOT TABLE KEY: Primary muscle Secondary muscles Sagittal Dorsiflexion Plantarflexion Talocrural joint Tibialis anterior Extensor digitorum longus Extensor hallucis longus Fibularis tertius Gastrocnemius Soleus Plantaris Tibialis posterior Flexor hallucis longus Flexor digitorum longus Fibularis longus Fibularis brevis Flexion Extension Metatarsophalangeal (MTP) joint Lumbricals Flexor hallucis brevis Interossei Flexor digiti minimi brevis Flexor digitorum longus (digits 2–5) Flexor digitorum brevis (digits 2–5) Flexor hallucis longus (digit 1) Extensor digitorum longus (digits 2–5) Extensor digitorum brevis Extensor hallucis longus (digit 1) Proximal interphalangeal (PIP) joint Flexor digitorum longus (digits 2–5) Flexor digitorum brevis (digits 2–5) Flexor hallucis longus (digit 1) Extensor digitorum longus (digits 2–5) Extensor digitorum brevis Extensor hallucis longus (digit 1) Distal Interphalangeal (DIP) Joint Flexor digitorum longus (digits 2–5) Extensor digitorum longus (digits 2–5) Extensor digitorum brevis Frontal Inversion Eversion Tibialis anterior Tibialis posterior Flexor digitorum longus Flexor hallucis longus Fibularis longus Fibularis brevis Fibularis tertius Extensor digitorum longus ++ Table Graphic Jump Location|Download (.pdf)|Print FOOT AND ANKLE MUSCLE ATTACHMENTS Muscles Proximal Attachment Distal Attachment Tibalis anterior Lateral condyle and superior 2/3 of anterolateral surface of tibia and interosseous membrane Medial and inferior surfaces of medial cuneiform and base of 1st metatarsal Extensor digitorum longus Lateral condyle of tibia and superior 3/4 of medial surface of fibula and interosseous membrane Middle and distal phalanges of digits 2–5 Extensor hallucis longus Middle part of anterior surface of fibula and interosseous membrane Dorsal aspect of base of distal phalanx of digit 1 (hallux) Fibularis longus Head and superior 2/3 of lateral surface of tibia Base of 1st metatarsal and medial cuneiform Fibularis brevis Inferior 2/3 of lateral surface of fibula Dorsal surface of tuberosity on lateral side of base of 5th metatarsal Fibularis tertius Inferior 1/3 of anterior surface of fibula and interosseous membrane Dorsum of base of 5th metatarsal Gastrocnemius Lateral head: lateral aspect of lateral condyle of femur Medial head: Popliteal surface of femur; superior to medial femoral condyle Posterior surface of calcaneus via calcaneal tendon Soleus Posterior aspect of head and superior 1/4 of posterior surface of fibula; middle third of medial border of tibia Posterior surface of calcaneus via calcaneal tendon Plantaris Inferior end of lateral supracondylar line of femur; oblique popliteal ligament Posterior surface of calcaneus via calcaneal tendon Flexor hallucis longus Inferior 2/3 of posterior surface of fibula and interosseous membrane Base of distal phalanx of digit 1 (hallux) Flexor digitorum longus Medial part of posterior surface of tibia inferior to soleal line Base of distal phalanges of digits 2–5 Tibialis posterior Interosseous membrane; posterior surface of tibia inferior to soleal line; posterior surface of fibula Tuberosity of navicular, cuneiform, cuboid, and sustentaculum tali of calcaneus; bases of 2nd, 3rd, and 4th metatarsals Lumbricals Tendons of flexor digitorum longus Medial aspect of expansion (digits 2–5) Flexor hallucis brevis Plantar component ... Your Access profile is currently affiliated with [InstitutionA] and is in the process of switching affiliations to [InstitutionB]. Please select how you would like to proceed. Keep the current affiliation with [InstitutionA] and continue with the Access profile sign in process Switch affiliation to [InstitutionB] and continue with the Access profile sign in process Get Free Access Through Your Institution Learn how to see if your library subscribes to McGraw Hill Medical products. Subscribe: Institutional or Individual Sign In Error: Incorrect UserName or Password Username Error: Please enter User Name Password Error: Please enter Password Sign in Forgot Password? Forgot Username? Sign in via OpenAthens Sign in via Shibboleth You already have access! Please proceed to your institution's subscription. Create a free profile for additional features.