dumbbell one arm triceps extension (on bench)

Instructions

1. 1

   Step 1: Sit on a bench with your back straight and feet flat on the ground.

2. 2

   Step 2: Hold a dumbbell in one hand and place your other hand on the bench for support.

3. 3

   Step 3: Raise the dumbbell overhead, keeping your upper arm close to your head and your elbow pointing forward.

4. 4

   Step 4: Lower the dumbbell behind your head by bending your elbow, keeping your upper arm stationary.

5. 5

   Step 5: Extend your arm back up to the starting position, fully straightening your elbow.

6. 6

   Step 6: Repeat for the desired number of repetitions, then switch arms.