• Most people tend to walk with their elbows slightly bent. • Most people tend to run with their elbows acutely bent. • No-one knows why. There is however, a(n) hypothesis. It’s the ‘Mechanical Tradeoff Hypothesis.’ which was descibed by Andrew K. Yegian, Yanish Tucker, Stephen Gillinov and Daniel E. Lieberman in their 2019 paper […]
Tag: walking
Walking the walk: Are we not cats, more or less?
A new review study creeps and leaps upon a physiological resemblance of cats and humans. The study is: “We Are Upright-Walking Cats: Human Limbs as Sensory Antennae During Locomotion,” Gregory E.P. Pearcey and E. Paul Zehr, Physiology, epub 2019. The authors, at the University of British Columbia and the University of Victoria, explain in un-catlike […]
Optimising one’s arm-swing whilst walking – a cost/benefit analysis [new study]
“Humans tend to swing their arms when they walk, a curious behaviour since the arms play no obvious role in bipedal gait. It might be costly to use muscles to swing the arms, and it is unclear whether potential benefits elsewhere in the body would justify such costs.” If you’re a living thing, energy is […]
Photographers walking backwards – and falling over (study)
It’s a staple gag for any slapstick movie. Trying for a wider shot, a photographer walks backwards (without looking) and trips over something. Amusing perhaps, but on occasions dangerous too. Odd then, that in the academic literature on safety and ergonomics, there a very few scholarly studies of this ubiquitous syndrome. In fact, there may […]