Opponens Digiti Minimi (Foot)

Authors

Affiliations

Nathaniel Yomogida, B.S., SPT

Doctor of Physical Therapy

B.S. in Kinesiology

Chloë Kerstein, B.S., SPT

Doctor of Physical Therapy

B.A. in Neuroscience

Schematic of 3rd layer of Plantar Intrinsic Foot Muscles¹
1: Quadratus Plantae
2: Lumbricals
3: Flexor Hallucis Brevis
4: Adductor hallucis
5: Flexor digiti minimi
6: Opponens digiti minimi
7: Plantar interossei
8: Dorsal Interossei

3rd Layer of Intrinsic Plantar Foot Muscles¹

Overview

Muscle	Origin	Insertion	Innervation	Action
Opponens digiti minimi	Long plantar lig. *Fibularis longus* plantar tendon sheath	5th metatarsal	Lateral Plantar n. (superficial branch) S2 - S3	Pulls 5th metatarsal in plantar and medial direction

Muscle	Origin	Insertion	Nerve	Action
Opponens Digiti Minimi	/The Archive/Anatomy/Skeletal Muscles/Lower limb muscles/Ankle and Foot/Intrinsic Dorsal Foot Muscles/opponens_digiti_minimi_foot.html#origin	/The Archive/Anatomy/Skeletal Muscles/Lower limb muscles/Ankle and Foot/Intrinsic Dorsal Foot Muscles/opponens_digiti_minimi_foot.html#insertion	?var:ref-opponens-digiti-minimi-foot.nerve	/The Archive/Anatomy/Skeletal Muscles/Lower limb muscles/Ankle and Foot/Intrinsic Dorsal Foot Muscles/opponens_digiti_minimi_foot.html#action

Origin

• Long plantar ligament¹
• Plantar tendon sheath of Fibularis Longus¹

Insertion

5th metatarsal¹

Innervation

Lateral Plantar N. (superficial branch) (S2, S3)¹

Action

Pulls 5th metatarsal in plantar and medial direction

MMT

1.

Gilroy AM, MacPherson BR, Wikenheiser JC, Voll MM, Wesker K, Schünke M, eds. Atlas of Anatomy. 4th ed. Thieme; 2020.