YOUR FRIENDS' ACTIVITY

    30-Minute Cardio Machine Workout

    SELF magazine

    Feeling wah-wah on the machines? Girl, you gotta mix it up!

    Related: 20 Superfoods for Weight Loss

    Hop on the Treadmill

    Do intervals for 10 minutes: Jog 1 minute; sprint (for real) 1 minute; jog at a 2 to 5 percent incline (your tight tush will have these hills to thank!) for 1 minute; repeat 3 times. Finish with a 1-minute dash.

    Related: Foods That Fight Belly Bloat

    Race to the Elliptical

    Next 10 minutes: Alternate 1 minute between resistance level 5 to 8 and 1 minute at level 10 to 15, maintaining pace. Concentrate on pulling and pushing the handles to tackle arm flab while you're at it.

    Related: Yoga Moves for Flat Abs

    Find the Rower

    Meet the unsung gym hero 99 percent of you aren't using. For your final 10, set the resistance at 5 and row, switching grips as follows every 2 minutes to cut up your back: Hold handles, palms down, 2 inches apart; switch to a palms-up grip; slide hands to edges of handle, palms down; move them as close together as possible.


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