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Table 2.

Estimated thrust (T) and impulse (I) from Xenopus laevis feet during swimming

FrogPeak T (N)Peak Ttranslational (N)Peak Trotational (N)Itotal (N s)Itranslational (N s)Irotational (N s)Iamass (N s)Idrag (N s)
0.35±0.25 0.06±0.030 0.340±0.242 0.016±0.007 –0.004±0.003 0.019±0.009 0.004±0.003 0.0113±0.004 
0.25±0.11 0.091±0.040 0.181±0.069 0.0137±0.004 0.002±0.001 0.011±0.003 0.004±0.002 0.009±0.005 
0.36±0.18 0.133±0.051 0.255±0.151 0.016±0.007 0.002±0.003 0.014±0.006 0.009±0.004 0.007±0.004 
0.19±0.13 0.0619±0.013 0.147±0.0595 0.010±0.003 0.0005±0.0008 0.008±0.001 0.004±0.001 0.004±0.002 
FrogPeak T (N)Peak Ttranslational (N)Peak Trotational (N)Itotal (N s)Itranslational (N s)Irotational (N s)Iamass (N s)Idrag (N s)
0.35±0.25 0.06±0.030 0.340±0.242 0.016±0.007 –0.004±0.003 0.019±0.009 0.004±0.003 0.0113±0.004 
0.25±0.11 0.091±0.040 0.181±0.069 0.0137±0.004 0.002±0.001 0.011±0.003 0.004±0.002 0.009±0.005 
0.36±0.18 0.133±0.051 0.255±0.151 0.016±0.007 0.002±0.003 0.014±0.006 0.009±0.004 0.007±0.004 
0.19±0.13 0.0619±0.013 0.147±0.0595 0.010±0.003 0.0005±0.0008 0.008±0.001 0.004±0.001 0.004±0.002 

Values are means ± s.d. amass is added mass

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