How to do it
Grip the bar at shoulder width and wrap your thumbs securely around it.
- 1
Stand with your feet shoulder-width apart, holding a barbell with an underhand grip.
- 2
Rest your forearms on a bench or your thighs, with your wrists hanging over the edge.
- 3
Curl the barbell towards your biceps by flexing your wrists.
- 4
Lower the barbell slowly back to the starting position.
- 5
Repeat for the desired number of repetitions.
Expert tip
Keep your wrists straight and avoid using momentum to isolate the forearm muscles.
Common mistakes
- ✕Lifting the forearms off the bench or thighs
- ✕Curling the fingers instead of the wrists
- ✕Extending wrists past neutral at the bottom