[header] How to warm up with an exercise ball [title] Consider the amount of space being left when resting your exercise ball down. [title] Sit down on the exercise ball with your legs in front of you, knees bent and feet on the ground. [step] Walk yourself forward slightly if you're not comfortable, but don't fully lean back against the ball. 
With your arms resting at your sides you should now be in a neutral position. [title] Spread your legs further apart from each other to stabilize yourself.