To view this video please enable JavaScript, and consider upgrading to a web browser that supports HTML5 video Movie 2 The distal flagellum beat reverses while the proximal flagellum curves the cell in tumbling T. brucei. Animated version of Fig. 2 showing panels A-B. Playback is at 25 Hz frame rate (1/8 real time). High-speed multifocal plane fluorescence microscopy for three-dimensional visualisation of beating flagella Benjamin J. Walker, and Richard J. Wheeler J Cell Sci 2019. 132:None-None; doi: 10.1242/jcs.231795 Download Original Video