
Instructions:
- 1Lie down on your back on a flat bench
- 2Hold a dumbbell in one hand and extend your arm directly above you
- 3Slowly bend your arm at the elbow, bringing the dumbbell towards your shoulder
- 4Extend your arm back to the original position
- 5Switch arms and repeat the process
Tips:
- Keep your upper arm stationary throughout the exercise
- Your forearm should do all the moving
- Control the weight on the way down
- Extend your arm fully on the way up