High Intensity Interval Training in the comfort of your home! Do the entire thing twice through, with a two-minute rest between sets, and push yourself hard during the non-marching sections. Great for dorm rooms!
My new favorite leg workout. Use weight bars for the squats instead of jumps and fumbles for all the lunges and step ups. Also incorporate 15 minutes of warm up and cool down stretching because it turns your legs to JELLO