Dimensions of the foot muscles in the lowland gorilla

Motoharu Oishi, Naomichi Ogihara, Hideki Endo, Teruyuki Komiya, Shin Ichiro Kawada, Tae Tomiyama, Yosuke Sugiura, Nobutsune Ichihara, Masao Asari

Research output: Contribution to journalArticle

7 Citations (Scopus)

Abstract

We dissected the hindlimb of a female western lowland gorilla and determined the muscle dimensions (mass, fascicle length, and physiological cross-sectional area: PCSA). Comparisons of the muscle parameters of the measured gorilla with corresponding reported human data demonstrated that the triceps surae muscles were larger and had more capacity to generate force than the other muscle groups in both species, but this tendency was more prominent in the human, probably as an adaptation to strong toe-off during bipedal walking. On the other hand, PCSAs of the extrinsic pedal digital flexors and digiti minimi muscles were larger in the western lowland gorilla, suggesting that the foot, particularly the fifth toe, has a relatively high grasping capability in the lowland gorilla.

Original languageEnglish
Pages (from-to)821-824
Number of pages4
JournalJournal of Veterinary Medical Science
Volume71
Issue number6
DOIs
Publication statusPublished - 2009 Jul 4

Keywords

  • Foot
  • Gorilla
  • Muscle architecture

ASJC Scopus subject areas

  • veterinary(all)

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    Oishi, M., Ogihara, N., Endo, H., Komiya, T., Kawada, S. I., Tomiyama, T., Sugiura, Y., Ichihara, N., & Asari, M. (2009). Dimensions of the foot muscles in the lowland gorilla. Journal of Veterinary Medical Science, 71(6), 821-824. https://doi.org/10.1292/jvms.71.821