- Start by standing to the right of a flat bench with a dumbbell on the floor to your right.
- Place your left knee on the bench with your left hand palm down n the bench in front of it. In this position, keep your back straight.
- Pick up the dumbbell with your right hand using an overhand grip.
- Raise your arm until it is in line with your body, keeping your elbow tucked into your side and bent to a 90 degree angle. Your forearm should be pointing straight down to the floor.
- Extend your arm using your triceps to lift the weight until it is level with your shoulder.
- Hold for a count of one while squeezing your tricep.
- Lower to the starting position by bending your elbow to 90 degrees.Hold and repeat.
- Complete the set for your right arm before changing stance to work your left arm.
Only your forearm should move during this exercise. Keep your elbow in line with your shoulders at all times throughout the movement.