Abductor Digiti Minimi (Foot)
Original Editor - Nikhil Benhur Abburi
Top Contributors - Nikhil Benhur Abburi, Mohamed A Hassanin, Wendy Snyders and Kim Jackson
Description[edit | edit source]
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It is a small, unipenate muscle situated on the sole of the lateral border of the foot[2]. it is homologous to abductor digiti minimi of hand.
Origin[edit | edit source]
Lateral and medial processes of calcaneal tuberosity[2][3], plantar aponeurosis[2] and intermuscular septum[3]
Insertion[edit | edit source]
Lateral side of base of proximal phalanx of fifth toe[2][3]
Nerve[edit | edit source]
Lateral plantar nerve(S1-S3) from tibial nerve[2][3]
Artery[edit | edit source]
Supplied by the lateral plantar artery[2][3]
Function[edit | edit source]
Abducts 5h toe at metatarsophalangeal joint[2][3] and supports the longitudinal arch of the foot[2].
Clinical relevance[edit | edit source]
In rare conditions, the muscle may be bifid. The additional belly can be used as a flap in reconstructive surgery of the foot[5][6] and may be involved in Baxter neuropathy[5][3].
Resources[edit | edit source]
- ↑ https://commons.wikimedia.org/wiki/File:Abductor_digiti_minimi_(foot).png
- ↑ 2.0 2.1 2.2 2.3 2.4 2.5 2.6 2.7 MD, J.V. (2023) Abductor digiti minimi muscle of Foot, Kenhub. Kenhub. Available at: https://www.kenhub.com/en/library/anatomy/abductor-digiti-minimi-muscle (Accessed: April 23, 2023).
- ↑ 3.0 3.1 3.2 3.3 3.4 3.5 3.6 Knipe, H. (2021) Abductor digiti minimi muscle (foot): Radiology reference article, Radiopaedia Blog RSS. Radiopaedia.org. Available at: https://radiopaedia.org/articles/abductor-digiti-minimi-muscle-foot (Accessed: April 23, 2023).
- ↑ Kenhub - Learn Human Anatomy. Functions of the lateral plantar muscles of the foot (preview) - Human 3D Anatomy | Kenhub. Available from: https://www.youtube.com/watch?v=DcX2xZ9QIHg [last accessed 31/3/2020]
- ↑ 5.0 5.1 Sa Das, Rakesh suri, V Kapur Clinical importance of bifid Abductor Digiti Minimi muscle of the foot. Research Gate June 2003
- ↑ Shirol SS, Nimbaragi G, Prabhu M, Ratkal J. Abductor digiti minimi muscle flap in reconstruction of diabetic foot ulcers: A case series. European Journal of Plastic Surgery. 2014 Apr;37:227-32.
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