If you're not already obsessed with CrossFit, you will be soon. "One of the cool things about CrossFit is it took weight lifting, which a lot of people find tedious, and made a competition out of it -- you are basically competing against yourself in time," McCall says. "I think that makes it more challenging and fun."
But if you've already push-upped there and dumbbelled that, McCall recommends trying the TRX suspension training, a unique and effective workout developed by a U.S. Navy Seal who hung parachute straps and handles from trees back in the '90s while serving in Kosovo (upon his return he founded the exercise program). "These two portable straps hang down to let you use your own body weight and gravity to get a great resistance workout," McCall says.
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