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Table 2.

Rana temporaria extensor carpi radialis muscle twitch and tetanus activation and relaxation times at the length for maximum force production

MaleFemaleP
Time to half peak twitch force (ms) 28.7±4.79 27.3±6.65 0.65 
Time from peak twitch force to half relaxation (ms) 180±51.6 114±27.4 0.011 
Time to half peak tetanic force (ms) 68.6±12.2 39.4±12.6 0.001 
Time from last stimulus to half tetanic relaxation (ms) 658±118 227±51.7 <0.001 
MaleFemaleP
Time to half peak twitch force (ms) 28.7±4.79 27.3±6.65 0.65 
Time from peak twitch force to half relaxation (ms) 180±51.6 114±27.4 0.011 
Time to half peak tetanic force (ms) 68.6±12.2 39.4±12.6 0.001 
Time from last stimulus to half tetanic relaxation (ms) 658±118 227±51.7 <0.001 

Values are mean ± s.d. (N=7 for each sex). Pvalues are given for independent sample t-tests of sex comparison. Truncated product method analysis suggested that the significant results in this table were genuine and unlikely to be due to chance (summary P<0.001).

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