Morphometric Analysis of Fibularis Tertius Muscle in Eastern Indian Population: A Cross-Sectional Study

Introduction: The unipennate extensor compartment muscle Fibularis tertius is unique to humans. The Fibularis tertius muscle flap is used by foot surgeons to transposition the ankle joint and correct any laxity. Variable muscle insertion may play a role in the cause of torsional stress, as shown in various foot fractures.

The goal of this study was to look at the incidence of the fibularis tertius muscle in cadaveric limbs, as well as its size and differences in origin and insertion.

Dissecting 100 cadaveric lower limbs was used to assess the incidence, size, and variability in the origin and insertion of the fibularis tertius muscle (50 right and 50 left). Fibularis tertius was seen in all of the limbs. Between the fourth and fifth metatarsals, it was placed. The length and width of the muscle, as well as its tendon, were all measured.

Conclusion: Because the distal attachment of the fibularis tertius varies, foot surgeons who do tendoplasty or tendon transfer procedures must have a good understanding of the muscle.

Author (S) Details

Dr. Gyanaranjan Nayak
Department of Anatomy, IMS and SUM Hospital, SOA University, Bhubaneswar, Odisha, India.

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