Morphometry of the deep muscles of the extensor compartment of the forearm and related variations

Harpreet S. Gulati, Biswabina Ray, Sushma, Anthony S. D'Souza, Naveen Kumar

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

The architecture and dimensions of the muscletendon unit has a close relation with muscle performance. The aim of this study was to conduct morphometry and note the variations of the deep muscles of the extensor compartment of the forearm. The origin, insertion, anatomical variations, length of muscle belly and tendon of the deep extensors of the forearm, i.e. abductor pollicis longus, extensor pollicis brevis, extensor pollicis longus and extensor indicis were noted in 38 sides of 19 cadavers. Results were statistically analysed and tabulated. There were no extra bellies of any muscle, but one 60-year-old male cadaver showed a variant muscle extensor digitorum brevis manus with the absence of extensor indicis. The variant muscle did not have any extra tendon or extra muscle belly. It was excluded from statistical analysis. The average muscle length and tendon length of abductor pollicis longus were 15.37 cm & 6.2 cm respectively; those of the extensor pollicis brevis were 15.37cm & 9.07 cm respectively; those of the extensor pollicis longus were 12.47 cm & 12.88 cm respectively; and those of extensor indicis were 10.06 cm & 14.4 cm respectively. Tendons and muscles work together to absorb or generate tension in the system. Muscle and tendon length are involved in the amount of force production.

Original languageEnglish
Pages (from-to)171-174
Number of pages4
JournalEuropean Journal of Anatomy
Volume18
Issue number3
Publication statusPublished - 2014

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Forearm
Muscles
Tendons
Cadaver

All Science Journal Classification (ASJC) codes

  • Anatomy

Cite this

Gulati, Harpreet S. ; Ray, Biswabina ; Sushma ; D'Souza, Anthony S. ; Kumar, Naveen. / Morphometry of the deep muscles of the extensor compartment of the forearm and related variations. In: European Journal of Anatomy. 2014 ; Vol. 18, No. 3. pp. 171-174.
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Morphometry of the deep muscles of the extensor compartment of the forearm and related variations. / Gulati, Harpreet S.; Ray, Biswabina; Sushma; D'Souza, Anthony S.; Kumar, Naveen.

In: European Journal of Anatomy, Vol. 18, No. 3, 2014, p. 171-174.

Research output: Contribution to journalArticle

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