Technique
How to perform it
- Sit on a bench or chair with your feet flat on the ground and your back straight.
- Hold a dumbbell in one hand with an underhand grip, resting your forearm on your thigh, palm facing up.
- Allow the dumbbell to roll down to your fingertips, then curl it back up by flexing your fingers.
- Repeat for the desired number of repetitions, then switch to the other hand.
