Select the appropriate resistance in the weight stack. Stand up straight with your left shoulder pointing to the pulley. There should be a handle that is attached to the lowest level of a pulley. Grab it with your left hand. Contract your pelvic floor and core while keeping your chest up.
Using your oblique muscles, bend your spine towards the right side while you exhale. Return to the starting position in a smooth movement while you inhale. Repeat the movement for the specified amount of repetitions and then repeat with the other side.TIPS: The exercise key is quality over quantity. The trick is to perform the exercise using proper form.