What Artificial Intelligence Says About Running Form

The physiologist and coach Jack Daniels once filmed a bunch of runners in stride, then showed the footage to coaches and biomechanists to see if they could eyeball who was the most efficient. “They couldn’t tell,” Daniels later recalled. “No way at all.” Famously awkward-looking runners like Paula…

Itching to exercise? These 7 at-home workouts are free – for now

Fitness centers across the country have shut down amid the coronavirus pandemic. But that doesn't mean all exercise is canceled. In fact, online wellness communities have existed long before quarantines were encouraged. There are hundreds of fitness influencers, workout apps and virtual classes that…