- Adduct digits 3−5 (move these digits toward the midline of the foot as defined by a plane through the second digit).
- Flexes the metacarpophalangeal and extend interphalangeal joints of digits 3−5.
- Base and medial side of metatarsals 3−5.
- Bases of proximal phalanges and extensor expansions of digits 3.
- Deep branch of the lateral plantar nerve.