Stability Ball Pro
Pro-Grade Exercise Ball
The Stability Ball Pro provides instability for dynamic strength training. Integrate balance training into all levels of sports performance training or rehabilitation. The high quality, durable ball is available in 3 sizes. Use these guidelines to find the right size ball for you. When sitting on your stability ball, your feet should be flat on the floor, your knees should be level or slightly lower than your pelvis creating a 90 degree angle, your spine should be vertical, and you should not be leaning or trying to counterbalance.