E-ISSN: 2146-8052
Anomalous Pattern of Tendinous Slips of Peroneus Tertius and Extensor Digitorum Longus Muscles in the Foot- A Clinically Important Variation
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Case Report
VOLUME: 56 ISSUE: 3
P: 179-181
September 2014

Anomalous Pattern of Tendinous Slips of Peroneus Tertius and Extensor Digitorum Longus Muscles in the Foot- A Clinically Important Variation

Gulhane Med J 2014;56(3):179-181
DOI: 10.5455/gulhane.15192
Abhinitha P 1
Mohandas Rao KG 1
Ashutosh S Rao 2
Satheesha Nayak B 1
Surekha Shetty 1
1. Department of Anatomy, Melaka Manipal Medical College, Manipal University, Manipal, 576 104, India.
2. Department of Orthopedics, Faculty of Medicine, AIMST University, Semeling, Bedong- 08100, Kedah, Malaysia.
No information available.
No information available
Received Date: 06.02.2012
Accepted Date: 23.04.2012
Publish Date: 27.09.2014
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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.