This is a good work out. I did it 3x with different and various exercises, for instance: for crunches i did a pilates move (10x) along with other ab workouts (I don't know their names), 10 lunges on each leg when it came to squats (along with squats), 30 high knees, 10 burpees, and so on.
Give your body some attention and take up this 30 day abs and squat challenge and boost your core, leg and butt muscles and body strength to the max! The three workouts involved in this challenge will certainly assist you achieve those hot abs and lower body. Build up your core muscle till you reach your goal on the 30th day!