Performing the: A Step-by-Step Tutorial Dumbbell Incline One Arm Press on Exercise Ball
Hold the dumbbell in your hand at chest level with your elbow bent, while your other hand can rest on your hip or hold onto the exercise ball for stability.
Press the dumbbell upwards until your arm is fully extended, but do not lock your elbow, keep your wrist straight and make sure your arm is aligned with your shoulder.
Slowly lower the dumbbell back to the starting position, controlling the movement with your chest and arm muscles.
Repeat the desired number of repetitions before switching to the other arm.