Stand facing the cable machine with your feet shoulder-width apart. Grasp the cable handle with an underhand grip, palm facing up. Keep your elbow close to your side and slowly curl your forearm up towards your shoulder. Pause for a moment at the top, then slowly lower your forearm back down to the starting position. Repeat for the desired number of repetitions.
1. Stand facing the cable machine with your feet shoulder-width apart.
2. Grasp the cable handle with an underhand grip, palm facing up.
3. Keep your elbow close to your side and slowly curl your forearm up towards your shoulder.
4. Pause for a moment at the top, then slowly lower your forearm back down to the starting position.
5. Repeat for the desired number of repetitions.