Move and Improve

Can you do a basic jumping jack?

Posted April 26, 2011, at 11:45 a.m.
Last modified April 26, 2011, at 12:26 p.m.

Get back to basics with these fat-zapping, muscle-building aerobic powerburners. Here’s a short video to help you get your form right.  — Meg Haskell, BDN