Incorporate the Stability Ball!
Incorporate exercises on the stability ball for a core challenge.
Sit on the ball. Lift your right foot up off the floor and extend your right knee. Hold for 10 seconds, then release. Next, lift your left foot up off the floor, extend your left knee and hold for 10 seconds. Release.
(Choose the appropriate size stability ball for your height and ability.)
*Consult your physician before beginning exercise.