That's why, for the month of July, we've put together the ultimate squat challenge, featuring 12 squats that tighten and tone. Master a different squat or increase your reps each day, and we'll have you covered where your teeny bikini doesn't.
Have 4 Minutes? Then You Can Do This 30-Day HIIT Challenge!
"Wow, I tried most of these and my abs are killing me. These workouts didn't make anything burn but my hopefully soon to be 6 pack! Best Ab Exercises - Our Top 10 Abs Exercises - Ab Workouts - Fitness Magazine"