It's summertime, which means you can expose your arms almost anywhere, anytime. "If your arms are chiseled, people will assume the rest of you is ripped, too," says Todd Durkin, C.S.C.S., author of The IMPACT! Body Plan. Before you head out this weekend, pump up your biceps and triceps with this 100-rep arm-expanding fitness test. Are you up for the challenge? You have nothing to lose but the room in your sleeves.
DO THIS: Perform 50 reps of each exercise as quickly as you can. You don't have to do all 50 reps of the biceps curl or the triceps kickback in a row-you might do 10 biceps curls, move on to the triceps kickbacks, do another 10 biceps curls, and so on. Use a pair of 25-pound dumbbells for the curls and a pair of 15-pound dumbbells for the kickbacks.
Ready to try it? Watch the video above to see how to perform the challenge. Durkin completed 100 reps in 4 minutes and 45 seconds . What was your time? Let us know in the comments below.
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