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First published online March 2, 2007
Journal of Experimental Biology 210, 923-933 (2007)
Published by The Company of Biologists 2007
doi: 10.1242/jeb.02731
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How important are skeletal muscle mechanics in setting limits on jumping performance?

Rob S. James1,*, Carlos A. Navas2 and Anthony Herrel3

1 Department of Biomolecular and Sport Sciences, Coventry University, James Starley Building, Priory Street, Coventry, CV1 5FB, UK
2 Departamento de Fisiologia, Instituto de Biociências, Universidade de São Paulo, Rua do Matão–Travessa 14 No 321, CEP 05508-900, São Paulo, SP, Brasil
3 Department of Biology, University of Antwerp, Universiteitsplein 1, B-2610 Antwerp, Belgium


Figure 1
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  		Fig. 1. Scaling of jump performance in metamorph (open symbols) and post-metamorphic (filled symbols) striped marsh frogs Limnodynastes peronii. The lines were fitted via least squares linear regression for metamorph and post-metamorphic data separately (solid lines) and all data combined (broken line). Based on Wilson et al. (Wilson et al., 2000Go).

 

Figure 2
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  		Fig. 2. Scaling of maximal muscle shortening velocity Vmax of Rana catesbiana sartorius muscle at 20°C. Based on Marsh (Marsh, 1994Go). The scaling relationship for the data shown was M –0.094b.

 

Figure 3
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  		Fig. 3. The mass of the knee extensors is the best predictor of take-off velocity across 12 species of Anolis lizards. Data on take-off velocity were taken from Toro et al. (Toro et al., 2004Go); data on muscle masses were taken from Vanhooydonck et al. (Vanhooydonck et al., 2006bGo).

 




© The Company of Biologists Ltd 2007