dumbbell one arm hammer press on exercise ball

Instructions

1. 1

   Étape 1: Sit on an exercise ball with your feet flat on the ground and your back straight.

2. 2

   Étape 2: Hold a dumbbell in one hand with your palm facing inwards and your elbow bent at a 90-degree angle.

3. 3

   Étape 3: Place your other hand on your hip for stability.

4. 4

   Étape 4: Press the dumbbell upwards, extending your arm fully.

5. 5

   Étape 5: Pause for a moment at the top, then slowly lower the dumbbell back to the starting position.

6. 6

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