Performance

A proposal intended to limit the length of drives by reducing the maximum club length from 48 inches to 46 inches has drawn criticism from professional players.
Peter Gwynne, Contributor
Anatomy and biomechanics raise questions about whether strictly enforcing the game's rules could increase the risk of injuries.
Chris Gorski, Editor
It may be time for at least one of the sports to leave trees behind and move to a material that's technically a grass.
Brian Owens, Contributor
Could using lighter-weight balls in practice be a safer way to speed up a pitcher's arm -- and the ball?
Marcus Woo, Contributor
Racing later this year could influence which horses will be at their best -- and their chances of winning.
Brian Owens, Contributor
Are you overconsuming caffeine in the form of energy drinks?
Chris Gorski, Editor
Pain, gastrointestinal distress, blisters, chafing, mental fatigue and dehydration. Extreme challenges to a tough sport.
Chris Gorski, Editor
Researchers found that when we fall from different heights, our bodies move differently to absorb the impact.
Yuen Yiu, Staff Writer
New research finds that shot type, referees and scorekeepers matter -- and that taking more 3-point shots shrinks it.
Marcus Woo, Contributor
Endurance exercise favors the growth of some gut bacteria, which might provide athletes with an extra boost.
Rodrigo Pérez Ortega, Contributor
A short conversation with circadian rhythms researcher Ravi Allada
Chris Gorski, Editor
Drivers’ bodies overheat, their hearts race, and they face extreme G-forces.
Chris Gorski, Editor