I don't think I'd be able to walk, but might give it a try. Give your butt some attention and try our four-week squat challenge! Learn the specifics on each style of squat included in this circuit, then put your knowledge to practice with this plan.
12 Benefits of Running I can attest to most of these :). One disclaimer: for someone my weight, 140 lbs, you need to be able to run a mile in under 7 minutes to burn calories an hour (which I can't even come close to).