Anatomy Atlases: Illustrated Encyclopedia of Human Anatomic Variation: Opus I: Muscular System: Alphabetical Listing of Muscles: A: Abductor Digiti Minimi (pedis)

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Illustrated Encyclopedia of Human Anatomic Variation: Opus I: Muscular System: Alphabetical Listing of Muscles: A

Abductor Digiti Minimi (pedis)

Ronald A. Bergman, PhD
Adel K. Afifi, MD, MS
Ryosuke Miyauchi, MD
Peer Review Status: Internally Peer Reviewed

A slip of this muscle may insert onto the base of the fifth metatarsal and is known as abductor ossis metatarsi quinti. Most of the muscle glides over the tuberosity of the lateral surface of the proximal phalanx. The abductor ossis may be adherent to the abductor of the small toe and it has been found to extend to the middle or even anterior part of the metatarsal. This has been reported in 40% of cases studied.

Abductor accessorius digiti minimi is a rare muscle arising from the lateral process of the tuber calcanei and inserting onto the lateral surface of the base of the proximal phalanx of the small toe.

Syn.: m. abductor digiti pedis quinti.

References

See Baumann (1947) reference abductor Digiti Minimi (pedis)

Anson, B.J., Ed. (1966) Morris' Human Anatomy, 12th ed., The Blakiston Division, McGraw-Hill Book Company, New York.

Boullard, -. (1854) Muscle surnuéraire qui existe à la face dorsale de la main. Bulletins et Mem. de la Société Anatomique de Paris XXIX(1):9.

Gruber, W. (1886) Über den anomalen Musculus abductor metatarsi quinti, seine Substitution durch einen Sehenstrang (neu) und sein Auftreten als abductor metatarsi quinti circumflexus (neu) beim Menschen, sowie über constante Homologien dafür bei Säugethieren. Arch. Path. Anat. Physiol. Klin. Med. 106: 489-501.

Henle, J. (1871) Handbuch der Muskellehre des Menschen, in Handbuch der systematischen Anatomie des Menschen. Verlag von Friedrich Vieweg und Sohn, Braunschweig.

Kopuz, C., Tefik, S. and S. Ozbenli (1999) A rare anomaly of the abductor digiti minimi muscle of the foot: Case report. Cells Tissues Organs 164(3): 174-176

Macalister, A. (1875) Additional observations on muscular anomalies in human anatomy (third series), with a catalogue of the principal muscular variations hitherto published. Trans. Roy. Irish Acad. Sci. 25:1-134

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