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Figure 9


Fig. 9. Causal connection between tail stiffness k and swimming speed U. (A) Tail stiffness increases tailbeat amplitude a. (B) In turn, tailbeat amplitude increases swimming speed U. Data for biomechanical analysis are means of three straight-swimming trials for each of 30 tails. Lines indicate significant ({alpha}<0.01) regressions on logtransformed data.





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