This game makes you feel like you're 10 again (while giving you a full workout)

Why would a middle-aged man run as fast as he can and fling himself headfirst across a grassy field with an arm outstretched like Superman trying to intercept a flying object — knowing full well that he'll feel the repercussions of the ensuing crash landing for the next week?

It's obvious: Because...

via L.A. Times - Health http://ift.tt/1YljqM9