It is interesting to see, that three muscles pull the foot up but only one pulls at the heel.
Editing video, i.e. trimming, converting, etc., are often required to present scientific results. Finding good software to do this is often a challenge, therefore I will list free software that I find useful. Today’s pick is Freemake Video Converter, capable of trimming and converting you video without adding watermarks. Watch out during the installation process at it tries to install a ton of additional software on your computer.
For the article “Impulsive ankle push-off powers leg swing in human walking” coming up in the 4. issue of the Journal of Experimental Biology we have generated an animation to illustrate our findings: