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How to do it
- Stand tall with a light dumbbell in one hand and the opposite arm relaxed at your side.
- Pin the working upper arm to the torso and bend the elbow to about 90 degrees.
- Hold the handle at its center with the wrist straight and the thumb pointing up.
- Rotate the forearm until the palm faces down, keeping the elbow glued to the waist.
- Reverse the rotation until the palm faces up, still without moving the upper arm.
- Finish the set, then switch hands and repeat.
Common mistakes
- Letting the elbow drift forward, which turns the drill into a curl.
- Bending or extending the wrist, which loads the flexors instead of the rotators.
- Using a heavy dumbbell that forces the shoulder to swing the weight around.
- Snapping through the end ranges instead of slowing the last third of each turn.
Muscles worked
- Primary
- Forearms
Good to know
- What muscles does the Controlled Forearm Pronation and Supination work?
- Mainly the forearms.
- What equipment do you need for the Controlled Forearm Pronation and Supination?
- It uses dumbbells. Without it, the Barbell Wrist Curl and the Cable Wrist Curl train the same muscles the same way.
- Is the Controlled Forearm Pronation and Supination good for beginners?
- GymVim rates it beginner.