Watch Squat Marathon Lower Body Workout

Get ready for a Squat Marathon! One of the biggest squat myths is that squats are bad for your knees. Not so, says celebrity trainer Phong Tran. Squats are not only for legs, they promote body-wide muscle building by catalyzing an anabolic environment. They are also one of the most time-efficient ways to burn more fat and calories. Most importantly, they help to build a beautiful behind!