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On the variations of the muscle flexor digitorum brevis: anatomical insight / Variaciones del músculo flexor corto de los dedos: experiencias de anatomía
Ilayperuma, Isurani.
  • Ilayperuma, Isurani; University of Ruhuna. Faculty of Medicine. Department of Anatomy. LK
Int. j. morphol ; 30(1): 337-340, mar. 2012. ilus
Article in English | LILACS | ID: lil-638809
ABSTRACT
Flexor digitorum brevis, an intrinsic muscle of the sole of the foot, is stated as one of the muscles that shows frequent anatomical variations. Its most commonly reported anomaly is the absence of tendon to the little toe. From a clinical standpoint of view, flexor digitorum brevis musculocutanous flap is used in the reconstruction of the heel pad and flexor digitorum brevis tendon transfer is employed in the correction of flexible claw and hammer toe deformities. Despite its significance little is known regarding the variations of this muscle in Sri Lankans. Hence, the goal of this study was to elucidate the incidence and morphological features of this muscle in an adult Sri Lankan population. A total of one hundred and thirty five apparently healthy human feet were dissected and studied for the morphological features of the flexor digitorum brevis muscle. The incidence of the absent fourth tendon of the flexor digitorum brevis in the present study was found to be 71.85 percent. In all cases, when absent, it was missing bilaterally. The results of the present study further highlight the anatomical variations of the flexor digitorum brevis muscle. A sound knowledge about the anatomical variations of flexor digitorum brevis will facilitate the outcome of surgical as well as diagnostic imaging techniques of the foot. Furthermore, understanding muscle architecture of the foot may assist in the design of prosthesis and analysis of foot function.
RESUMEN
El músculo flexor corto de los dedos, es un músculo intrínseco de la planta del pie que frecuentemente presenta variaciones anatómicas. La variación más frecuente es la ausencia de tendón destinado al dedo mínimo. Desde el punto de vista clínico se utilizan colgajos musculocutáneos del músculo flexor corto de los dedos para la reconstrucción de la región subcalcánea. Además, el tendón del músculo es usado para corregir deformidades de garra y martillo de los dedos del pie. A pesar de su importancia, es escasa la información acerca de este músculo en la población adulta de Sri Lanka.Fueron disecados 135 pies humanos aparentemente sanos analizándose sus características morfológicas. Se determinó que un 71,85 por ciento el tendón para el quinto dedo del músculo flexor corto de los dedos estaba ausente. En todos los casos, ésta se presentaba bilateralmente. El estudio señala la importancia de tener un cabal conocimiento acerca de las variaciones anatómicas del músculo flexor corto de los dedos, para facilitar tanto las técnicas quirúrgicas, como el diagnostico a través de imagenlogía del pie. Además, un buen conocimiento de la arquitectura muscular del pie puede ayudar en el diseño de prótesis y en el análisis de la función del pie.
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Full text: Available Index: LILACS (Americas) Main subject: Toes / Muscle Development Type of study: Diagnostic study Country/Region as subject: Asia Language: English Journal: Int. j. morphol Journal subject: Anatomy Year: 2012 Type: Article Affiliation country: Sri Lanka Institution/Affiliation country: University of Ruhuna/LK

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Full text: Available Index: LILACS (Americas) Main subject: Toes / Muscle Development Type of study: Diagnostic study Country/Region as subject: Asia Language: English Journal: Int. j. morphol Journal subject: Anatomy Year: 2012 Type: Article Affiliation country: Sri Lanka Institution/Affiliation country: University of Ruhuna/LK