Walking Workout: Tone Your Arms As You Walk

30-Minute Upper-Body Blitz

Forget hand weights or park-bench push-ups. You can walk your way to sleek shoulders, a sculpted back and toned arms without them. "Just making fists with your hands for these moves signals the arm muscles to contract and adds a little extra burn," says walking pro Tina Vindum.

The Routine
Warm up by doing three big, slow arm circles in each direction to prime your shoulder joints. Walk for 5 minutes, then do the first exercise here, matching the pace of the arm movements to your footfalls -- no stopping! Repeat until you've done all four moves; finish with 5 minutes of walking.