Extensor digitorum longus at a glance
- What it is
- A long extensor in the anterior leg compartment.
- Location
- Origin: lateral tibial condyle, anterior surface of the fibula and interosseous membrane. Insertion: extensor expansions of toes 2–5.
- Function
- Extends toes 2–5 and dorsiflexes the ankle.
- Body system
- Muscular · paired (left and right)
- FMA ID
- FMA22548 (Foundational Model of Anatomy)
Key facts
- Innervation: deep fibular nerve (L5–S1)
- Blood supply: anterior tibial artery
Structures next to the extensor digitorum longus
The nearest named structures in the 3D model, measured from the centre of each part:
- Flexor digitorum longus · muscular
- Tibialis anterior · muscular
- Fibularis longus · muscular
- Tibialis posterior · muscular
- Flexor hallucis longus · muscular
- Anterior tibial artery · cardiovascular
- Extensor hallucis longus · muscular
- Interosseous membrane of leg · skeletal
- Fibula · skeletal
- Tibia · skeletal
References
- Foundational Model of Anatomy: Extensor digitorum longus (FMA22548). EMBL-EBI Ontology Lookup Service.
- OpenStax. Anatomy and Physiology 2e, §11.2 Naming Skeletal Muscles. Rice University, 2022.
- Mitsuhashi N. et al. (2009). BodyParts3D: 3D structure database for anatomical concepts. Nucleic Acids Research 37, D782–D785. Data © The Database Center for Life Science, CC BY 4.0.
Related anatomy
Explore the whole body in the interactive 3D human anatomy model, or browse the A–Z list of human structures.