Sit upright on the machine ensuring that it is properly adjusted to you.
Place your forearm on the pad and grasp the handle; your elbow should be bent to approximately 90 degrees with hand directly out in front of you.
Rotate your hand out and away from your body against resistance.
You elbow should remain still at your side throughout this movement.
In a controlled manner, return to the starting position.
Repeat for the required number of repetitions.