Humans can run long distances at speeds that would force four-legged prey to gallop (Image: Bryce Vickmark/New York Times/Redux/Eyevine)
Why did you start to study the evolution of running and exercise?
I got interested in how we hold our heads still when we run. It began when my colleagues and I were doing some experiments with pigs as models. It is very uncomfortable to watch a pig run: its head bobs all over the place. But animals that are good at running, like us, are extremely good at keeping the head still, because it is important for gaze stabilisation. We…



