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Fig. 3. Coordination of the finaxis during slow swimming. (A) Duration of an
abductionadduction cycle. FE, fin cycle excluding refractory period;
FER, fin cycle including refractory period; TB, tail beat.
*Significantly different (P<0.05). (B) Duration of fin
abduction vs adduction (ms). Black bars, adduction; white bars,
abduction. EF1 is significantly different (P<0.05) from FE1 and
FE2. Values are plotted as mean ± S.E.M.