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Fig. 13. Correlation between dorsal amplitude and upstroke translatory forces. Colors indicate data from three individuals with large (purple), intermediate (green) and small (turquoise) dorsal amplitudes. All time-course data are shown along a normalized time axis. The slope and R2 regression statistics for the correlation between each parameter and dorsal amplitude are shown for normalized time intervals of 0.05. Mid-upstroke was defined as a normalized time of 0.55, indicated by the vertical dotted line. (Ai) Time course of the angle of attack over the upstroke, shown for three individuals. (Aii) Correlation between dorsal amplitude and mid-upstroke angle of attack, for the experimental population (R2=0.71). (Bi) Time course of the tip velocity over the upstroke, shown for three individuals. (Bii) Correlation between dorsal amplitude and mid-upstroke tip velocity, for the experimental population (R2=0.73). (Ci) Time course of the translatory force over the upstroke, shown for three individuals. (Cii) Correlation between dorsal amplitude and mid-upstroke translatory force, for the experimental population (R2=0.04).





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