How to do it

1. Stand upright facing a cable machine. Grasp the handle with one hand.
2. Position the elbow close to your body, keeping it bent and the forearm parallel to the ground.
3. Extend your arm downward by straightening the elbow, feeling the triceps engage.
4. Pause briefly at the bottom, then return to the starting position.
5. Perform the desired number of repetitions before switching arms.