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Anomalous pattern of tendinous slips of peroneus tertius and extensor digitorum longus muscles in the foot- A clinically important variation

Abhinitha, P and Rao, Mohandas KG and Nayak, Satheesha B and Shetty, Surekha D (2014) Anomalous pattern of tendinous slips of peroneus tertius and extensor digitorum longus muscles in the foot- A clinically important variation. Gülhane Tıp Derg, 56 (3). pp. 179-181.

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Abstract

The peroneus tertius (PT) is a small muscle with a small single tendon which gets inserted to the dorsal surface of the 5th metatarsal base. Normally, the tendon of extensor digitorum longus (EDL) muscle divides into 4 slips on the dorsum of the foot which go to the lateral 4 toes. Variations in the tendons of these muscles are very rare. We observed a case where the tendon of EDL divided into only 3 slips which were inserted into the 2nd, 3rd and 4th toes through dorsal digital expansion. The PT tendon was quite thick and it divided into 2 slips. The lateral slip was getting inserted to the dorsal surface of the 5th metatarsal base and medial slip was continuing on to the little toe to form the dorsal digital expansion. This variation was observed during routine dissection on the left lower limb of about 55 year old female cadaver. Such anomalies are important clinically to the treating surgeon, being a tendon of importance in normal function and surgeries of the foot. Functional significance and the clinical relevance of the variations are discussed.

Item Type: Article
Uncontrolled Keywords: Muscle variation; extensor digitorum longus; peroneus tertius; dorsiflexion; eversion.
Subjects: Medicine > MMMC Manipal > Anatomy
Depositing User: KMC Manipal
Date Deposited: 03 Oct 2014 04:19
Last Modified: 03 Oct 2014 04:19
URI: http://eprints.manipal.edu/id/eprint/140772

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