If cold, wet weather threatens to dampen your outdoor running goals, don't sweat it. Do this 25-minute leg-strengthening circuit indoors instead. The lunge and plank variations help work leg, butt, and ab muscles that running overlooks — so you'll
These mini-challenges you can do at your home and you don’t need any kind of equipment, just a little bit motivation.
Indoor cardio workout - the perfect combination of cardio and strength to help you tone and tighten! | Tone-and-Tighten.com