Skip to main content
. Author manuscript; available in PMC: 2011 Jul 26.
Published in final edited form as: J Morphol. 2008 Dec;269(12):1520–1538. doi: 10.1002/jmor.10668

Table 6.

Mean percent type II fibers of selected muscles in several terrestrial mammal species. Methods used to quantify fiber-types are noted.

% Type II Fibers

Animal Scalenes Sternohyoid Sternomastoid Rectus Abdominis Quantification Method Reference
Dog
(Canis familiaris) 62 Count Bracher et al., 1997
Dog
(Canis familiaris) 69 66 79 52 Count Armstrong et al., 1982
Cat
(Felis catus) 84.6 Unreported Dick and van Lunteren, 1990
Cat
(Felis catus) 91 Count Richmond et al., 1999
Hamster
(Mesocricetus auratus) 91 94 Unreported Mattson et al., 2002
Rat
(Rattus norvegicus) 95 Count Bracher et al., 1997
Rat
(Rattus norvegicus) 80 Count Hijikata et al., 1992
Tufted Capuchun Monkey
(Cebus apella) 73 Unreported Simionato et al., 2006
Rhesus Monkey
(Macaca mulatta) 71 77 Count Richmond et al., 2001
Bull
(Bos taurus) 68 Area Totland and Kryvi, 1991