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At Age 33, Adrian Peterson Remains One of the NFL's Biggest Physical Freaks

Adrian Peterson cannot be stopped. Prior to the season, Peterson told STACK that he was on a quest to become the greatest running back who ever...

How to Teach Youth Soccer Players Basic Passing Skills

Passing is the pulse of soccer. Without it, the sport would be unrecognizable. This article (and accompanying videos) are intended to help coach...

The Pre-Round Routine That's Helped Henrik Stenson Become the World's Most Accurate Golfer

Henrik Stenson is relentlessly consistent. Over the course of a tournament, many of his competitors will spray shots into danger zones and put up t...

How Poor Core Strength Can Sabotage a Pitcher's Entire Delivery

Pitchers need core strength. Why? Because poor core strength can set off a series of chain reactions throughout your body that results in a weak...

Former Olympic Sprinter Reveals How Your Arm Action Is Slowing You Down

The most important thing I've learned about speed is that you run on your legs with your arms. Your legs are the muscles that get you to where you ...