Set the handles so that they hang at about chest height. Take grip of the handles and use them to balance as you lift one leg off the ground. With your grounded leg, bend at the knee, push your hips back and allow your body to lower itself steadily downwards, keep your elevated leg straight out in front as you do so. Once the grounded leg is bent at the knee as much as possible without collapsing your lower back, drive your foot into the floor and reverse the movement. Extend the knee and drive the hips forward. You shouldn’t pull on the TRX, only use it for stability. Repeat.