Second lumbrical of foot at a glance
- What it is
- A small intrinsic muscle of the sole attached to the flexor digitorum longus tendons.
- Location
- Arises from the adjacent sides of the flexor digitorum longus tendons to the second and third toes and inserts into the medial side of the extensor expansion of the third toe.
- Function
- Flexes the metatarsophalangeal joint and extends the interphalangeal joints of the toe.
- Body system
- Muscular · paired (left and right)
- FMA ID
- FMA37719 (Foundational Model of Anatomy)
Key facts
- Innervation: deep branch of the lateral plantar nerve (S2–S3)
- Lies in the second layer of the sole, with quadratus plantae
Structures next to the second lumbrical of foot
The nearest named structures in the 3D model, measured from the centre of each part:
- Third lumbrical of foot · muscular
- First plantar interosseous of foot · muscular
- First lumbrical of foot · muscular
- Transverse head of adductor hallucis · muscular
- Oblique head of adductor hallucis · muscular
- Third metatarsal bone · skeletal
- Second plantar interosseous of foot · muscular
- Second metatarsal bone · skeletal
- Fourth lumbrical of foot · muscular
- Flexor digitorum brevis · muscular
References
- Foundational Model of Anatomy: Second lumbrical of foot (FMA37719). 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.