Peroneus tertius muscle, absence of

MedGen UID:: 376684
•Concept ID:: C1850001
•: Congenital Abnormality

Synonym:	PERONEUS TERTIUS MUSCLE, ABSENCE OF

Monarch Initiative:	MONDO:0009854
OMIM®:	261400

Clinical features

From HPO

Foot dorsiflexor weakness

MedGen UID:: 356163
•Concept ID:: C1866141
•: Finding

Weakness of the muscles responsible for dorsiflexion of the foot, that is, of the movement of the toes towards the shin. The foot dorsiflexors include the tibialis anterior, the extensor hallucis longus, the extensor digitorum longus, and the peroneus tertius muscles.

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Abnormality of the musculature

MedGen UID:: 867380
•Concept ID:: C4021745
•: Anatomical Abnormality

Abnormality originating in one or more muscles, i.e., of the set of muscles of body.

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Abnormality of limbs
- Foot dorsiflexor weakness
Abnormality of the musculoskeletal system
- Abnormality of the musculature

Recent clinical studies

Etiology

Absence of Peroneus Tertius in Split Anterior Tibialis Tendon Transfer Surgery.

Antoniak KS, Abousamra O
J Foot Ankle Surg 2022 Jul-Aug;61(4):886-887. Epub 2021 Dec 11 doi: 10.1053/j.jfas.2021.12.014. PMID: 35307159

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Prognosis

The fibularis digiti quinti tendon: A cadaveric study with anthropological and clinical considerations.

Chaney ME, Dao TV, Brechtel BS, Belovich SJ, Siesel KJ, Fredieu JR
Foot (Edinb) 2018 Mar;34:45-47. Epub 2017 Dec 5 doi: 10.1016/j.foot.2017.11.012. PMID: 29278836

Fifth metatarsal morphology does not predict presence or absence of fibularis tertius muscle in hominids.

Eliot DJ, Jungers WL
J Hum Evol 2000 Feb;38(2):333-42. doi: 10.1006/jhev.1999.0337. PMID: 10656782

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