Step by step
- Sit down and hold a light dumbbell with the palm facing the floor.
- Support the forearm on your thigh, leaving the hand free beyond the knee.
- Lower the hand slightly, then lift its back toward the forearm.
- Return slowly and switch sides after your repetitions.
Common mistakes
- Moving the elbow instead of the wrist.
- Jerking the weight or forcing the end position.
Anatomy and technique: the references below. Region boundaries and movement diagrams are schematic. Exercise images are AI-generated illustrations.