This challenge is dedicated to my Olympic girl crush Lolo Jones! It's a lunge challenge and it's pretty darn hard. Your legs will die after this workout. The song is "When You Love Her" by Legaci Music. http://www.youtube.com/user/legaci
***** Cassey Ho is a certified Pilates and fitness instructor, winner of YouTube Next Trainer, and was also recently named FITNESS Magazine's Best Healthy Living Blogger.