cable one arm press on exercise ball

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

Hold a cable handle in one hand and position your arm at chest height, elbow bent.

Place your other hand on your hip for stability.

Press the cable handle forward, extending your arm fully.

Pause for a moment, then slowly return to the starting position.

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