For this triceps kickback, you'll position one hand on a stability ball while the other lifts a dumbbell and works the muscles in the back of the upper arm. Add this triceps-toner to your repertoire of arm exercises.
Assume start position as shown by placing right hand on ball.
Right leg should be bent, left leg straight.
Lift the upper part of your left arm so it’s parallel to the floor.
Straighten out your left arm and contract your triceps muscle.
Return to start position.