exercise ball supine triceps extension

Sit on an exercise ball with your feet flat on the ground and your knees bent at a 90-degree angle.

Hold a dumbbell with both hands and extend your arms straight up towards the ceiling.

Slowly lower the dumbbell behind your head, keeping your elbows close to your ears.

Pause for a moment, then raise the dumbbell back up to the starting position.

Repeat for the desired number of repetitions.