|
|
|
|
|
|
|
||
The Journal of General Physiology, Vol 97, 541-560, Copyright © 1991 by The Rockefeller University Press
ARTICLES |
CY Seow and LE Ford
Department of Medicine, University of Chicago, Illinois 60637.
The shortening velocities of single, skinned, fast and slow skeletal muscle fibers were measured at 5-6 degrees C in five animal species having a 25,000-fold range of body size (mouse, rat, rabbit, sheep, and cow). While fiber diameter and isometric force showed no dependence on animal body size, maximum shortening velocity in both fast and slow fibers and maximum power output in fast fibers were found to vary with the -1/8 power of body size. Maximum power output in slow fibers showed a slightly greater (-1/5 power) dependence on body size. The isometric force produced by the fibers was correlated (r = 0.74) inversely with fiber diameter. For all sizes of animal the average maximum velocity was 1.7 times faster in fast fibers than in slow fibers. The large difference in mechanical properties found between fibers from large and small animals suggests that properties of the contractile proteins vary in a systematic manner with the body size. These size-dependent changes can be used to study the correlations of structure and function of these proteins. Experimental results also suggest that the different metabolic rates observed in different sizes of animals could be accounted for, at least in part, by the difference in the properties of the contractile proteins.
CiteULike 
Complore 
Connotea 
Del.icio.us 
Digg 
Reddit 
Technorati What's this?
This article has been cited by other articles:
|
|
 |
|
  A. M. Carroll, D. V. Lee, and A. A. Biewener Differential muscle function between muscle synergists: long and lateral heads of the triceps in jumping and landing goats (Capra hircus) J Appl Physiol, October 1, 2008; 105(4): 1262 - 1273. [Abstract] [Full Text] [PDF]
|
|
|
|
 |
|
 L. Toniolo, L. Maccatrozzo, M. Patruno, E. Pavan, F. Caliaro, R. Rossi, C. Rinaldi, M. Canepari, C. Reggiani, and F. Mascarello Fiber types in canine muscles: myosin isoform expression and functional characterization Am J Physiol Cell Physiol, May 1, 2007; 292(5): C1915 - C1926. [Abstract] [Full Text] [PDF]
|
|
|
|
 |
|
 R. S. James, C. A. Navas, and A. Herrel How important are skeletal muscle mechanics in setting limits on jumping performance? J. Exp. Biol., March 15, 2007; 210(6): 923 - 933. [Abstract] [Full Text] [PDF]
|
|
|
|
|
|
L. Toniolo, L. Maccatrozzo, M. Patruno, F. Caliaro, F. Mascarello, and C. Reggiani Expression of eight distinct MHC isoforms in bovine striated muscles: evidence for MHC-2B presence only in extraocular muscles J. Exp. Biol., November 15, 2005; 208(22): 4243 - 4253. [Abstract] [Full Text] [PDF]
|
|
|
|
|
|
O. Andruchov, O. Andruchova, Y. Wang, and S. Galler Kinetic properties of myosin heavy chain isoforms in mouse skeletal muscle: comparison with rat, rabbit, and human and correlation with amino acid sequence Am J Physiol Cell Physiol, December 1, 2004; 287(6): C1725 - C1732. [Abstract] [Full Text] [PDF]
|
|
|
|
|
|
L. Toniolo, M. Patruno, L. Maccatrozzo, M. A. Pellegrino, M. Canepari, R. Rossi, G. D'Antona, R. Bottinelli, C. Reggiani, and F. Mascarello Fast fibres in a large animal: fibre types, contractile properties and myosin expression in pig skeletal muscles J. Exp. Biol., May 1, 2004; 207(11): 1875 - 1886. [Abstract] [Full Text] [PDF]
|
|
|
|
 |
|
 S. Medler Comparative trends in shortening velocity and force production in skeletal muscles Am J Physiol Regulatory Integrative Comp Physiol, August 1, 2002; 283(2): R368 - R378. [Abstract] [Full Text] [PDF]
|
|
|
|
 |
|
 Y. Lecarpentier, F.-X. Blanc, S. Salmeron, J.-C. Pourny, D. Chemla, and C. Coirault Myosin cross-bridge kinetics in airway smooth muscle: a comparative study of humans, rats, and rabbits Am J Physiol Lung Cell Mol Physiol, January 1, 2002; 282(1): L83 - L90. [Abstract] [Full Text] [PDF]
|
|
|
|
|
|
P. Hook, V. Sriramoju, and L. Larsson Effects of aging on actin sliding speed on myosin from single skeletal muscle cells of mice, rats, and humans Am J Physiol Cell Physiol, April 1, 2001; 280(4): C782 - C788. [Abstract] [Full Text] [PDF]
|
|
|
|
|
|
G. N. Askew, R. L. Marsh, and C. P. Ellington The mechanical power output of the flight muscles of blue-breasted quail (Coturnix chinensis) during take-off J. Exp. Biol., January 11, 2001; 204(21): 3601 - 3619. [Abstract] [Full Text] [PDF]
|
|
|
|
 |
|
 M. C. Schaub, M. A. Hefti, R. A. Zuellig, and I. Morano Modulation of contractility in human cardiac hypertrophy by myosin essential light chain isoforms Cardiovasc Res, February 1, 1998; 37(2): 381 - 404. [Abstract] [Full Text] [PDF]
|
|
|
|
