Fitness

An easy workout to get Jessica Biel's arms

Slip into your slinkiest top with these super-sculpting moves. Bonus: See results in your core and legs, too!

Consulting trainer Dagmar Storek Updated April 3, 2014

Gallery

April 2013 10-minute workout

1 / 5 Jessica Biel poses at the Grammy Charities Signing Booth during the 55th Annual Grammy Awards. (Photo, Maury Phillips/WireImage.)

10-minute workout

Do these four moves three times a week and you'll see more definition in a month or less. For faster results, add 20 minutes of cardio.

You need: Hand weights