In the fourth century B.C., the Greek philosopher Aristotle laid down some key principles of running form. "Runners run faster if they swing their arms," he wrote. "There is in extending the arms a ...

While running may seem like a total lower body activity, your upper half does still play a role in helping you to become a stronger and more powerful runner. Read on to learn how your arms contribute ...

New research into human speed suggests that athletes who performed short sprints with their arms closed across their chests were nearly as fast as when they sprinted with their normal arm swing. New ...

A few weeks ago a reader of my Golf IQ newsletter (which you can sign up for via Golf Digest+ right here), asked an interesting question. He was worried, in short, that one of his arms was so weak ...

Welcome to Shaving Strokes, a GOLF.com series in which we’re sharing improvements, learnings and takeaways from amateur golfers just like you — including some of the speed bumps and challenges they ...

Walking is one of the most effective and simple forms of physical activity. Though walking may look simple, the mechanics behind it are far more complex. While walking, people swing their arms. Ever ...

Alex Hutchinson is a National Magazine Award-winning journalist and Outside’s Sweat Science columnist, covering the latest research on endurance and outdoor sports. New perk: Easily find new routes ...