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!
Ballet Abs - I don't remember doing any of these separately (except for crunches) when I use to dance. I got my "ballet abs" by holding it in during class for 10 years; however, these exercises are great for anyone.
I hate the treadmill but for those who don't: TREADMILL SHREDMILL WORKOUT! It's 45 min long with a 5 min cooldown. This is part of my bikini comp cardio. And yes, you CAN last this long on a treadmill. Trust me.
Workout Posters We Love: In a perfect world, we'd all leap out of bed every morning superexcited to slip on our sports bra and sneaks to head out for a life-changing workout, but let's face it — some days we're less than motivated.