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Table 1.

Xenopus laevis foot kinematics data summary

FrogNumber of strokes analyzedPeak swimming velocity (m s–1)Peak translational velocity (m s–1)Peak rotational velocity (rad s–1)Rotation–translation phase offset (% stroke duration)*Phase of peak thrust (% stroke duration)
0.55±0.26 0.35±0.11 23.84±9.28 15±21 48±12 
0.49±0.19 0.41±0.17 28.21±6.18 25±8 50±14 
0.63±0.20 0.44±0.15 25.99±7.34 13±10 42±12 
0.56±0.34 0.43±0.21 25.00±4.08 25±12 61±2 
FrogNumber of strokes analyzedPeak swimming velocity (m s–1)Peak translational velocity (m s–1)Peak rotational velocity (rad s–1)Rotation–translation phase offset (% stroke duration)*Phase of peak thrust (% stroke duration)
0.55±0.26 0.35±0.11 23.84±9.28 15±21 48±12 
0.49±0.19 0.41±0.17 28.21±6.18 25±8 50±14 
0.63±0.20 0.44±0.15 25.99±7.34 13±10 42±12 
0.56±0.34 0.43±0.21 25.00±4.08 25±12 61±2 

All values are means ± s.d.

*

Translation–rotation phase offset=100%×(time of peak rotational velocity – time of peak translational velocity)/stroke duration

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