Speed Up

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How Justin Gatlin Saved His Career By Building The World's Most Efficient Sprinting Form

The year is 2010. Justin Gatlin, six years removed from winning the Olympic gold medal in the 100-meter Dash, is a shell of his former self. He's f...

By: Brandon Hall

8 Drills For Building NFL-Style Speed and Explosiveness

Speed kills. Perhaps this fact is no more apparent than in football. A football field is only 100 yards long and 53.33 yards wide. The faster a pla...

By: Brandon Hall

Why Reducing Stress Might Speed Up Concussion Recovery

Most concussions heal fairly quickly. Eighty percent of concussions are fully recovered from within a month. This is a testament to the brain's incr...

By: Andy Haley

Recover Faster With This 15-Minute Workout

Ever thought that a 15 minute workout can bring any benefit at all? The inevitable fact is that we get sore most of the time when we train. The day or...

By: Kedric Kwan

This Week's Best Video Made Even Better

To show you what not to do, each week STACK brings you a moment from the weight room or sports field gone horribly wrong. What's funnier than 20 ...

By: Dustin Brady