Fitness experts are actually into the idea of doing TikTok's model walk challenge on the treadmill for a fun (and sassy) workout.

He found that the way dogs walk can be explained using a surprisingly simple passive stiff-limbed model.

Modelling Virtual Dogs: It's A Walk In The Park! Date: April 19, 2006 Source: Society for Experimental Biology Summary: Dog walking is a national pastime, but how does your dog walk? Different ...