Analysis of the morphometry and variations in the extensor digitorum brevis muscle: an anatomic guide for muscle flap and tendon transfer surgical dissection

Rao, Srinivasa Sirasanagandla and Swamy, Ravindra S and Nayak, Satheesha B and Somayaji, Nagabhooshana S and Rao, Mohandas KG and Bhat, Kumar MR (2013) Analysis of the morphometry and variations in the extensor digitorum brevis muscle: an anatomic guide for muscle flap and tendon transfer surgical dissection. Anatomy & Cell Biology, 46 (3). pp. 198-202. ISSN 2093-3665

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Abstract

The extensor digitorum brevis muscle (EDB) is a practical option for use as an island flap or free flap when reconstructing soft tissue defects in the ankle as well as in the entire lower limb. It is frequently used to correct crossover toe deformity and other painful toe disorders. We evaluated the morphometry of the EDB in 44 formalin-fixed limbs. Length and width of the muscles were measured. Surface area was calculated as the product of length and width of the muscle. The length of each tendon was also measured from its origin to the point of distal attachment. Presence of any additional tendons was noted. Mean length, width, and surface area of the muscle were 7.39±0.71 cm, 4.1±0.37 cm, and 30.5±4.78 cm2 on the right side and 7.2±0.84 cm, 3.9±0.37 cm, and 28.4±5.35 cm2 on the left side, respectively. Morphometry of the tendons revealed that the tendon of the great toe had the highest mean length (9.5 cm) and the tendon of the fourth toe had the lowest mean length (6.3 cm). Four of the limbs studied (9.09%) had only three tendons. Three of the limbs studied (6.81%) had five tendons, and in one exceptional case (2.27%), six tendons were detected. These observations have significant value and are applicable to plastic and orthopedic surgery.

Item Type: Article
Uncontrolled Keywords: Tendon transfer; morphometry; reconstruction; crossover toe deformity; extensor digitorum brevis.
Subjects: Medicine > KMC Manipal > Anatomy
Medicine > MMMC Manipal > Anatomy
Depositing User: KMC Manipal
Date Deposited: 26 Dec 2013 04:14
Last Modified: 26 Dec 2013 04:14
URI: http://eprints.manipal.edu/id/eprint/138092

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