Stand facing the TRX and grip the handles firmly. The position of your feet will determine the amount of resistance. Move the feet forward and the exercise is more challenging. Keep the entire torso straight, one long line from ear to ankle. Brace the abdominal muscles and gluteals and lean back. From the arms extended position, pull the handles into your side. As you perform the rowing motion, focus on moving the shoulder blades down and back. Return to the starting position and repeat