What are weighted exercise balls used for?
Medicine balls are usually sold as 2–25 lb (1–11 kg) balls and are used effectively in ballistic training to increase explosive power in athletes in all sports, e.g. throwing the medicine ball or jumping whilst holding it.
How heavy should a weighted ball be?
For beginners, use a smaller weighted ball. Anywhere from 2 to 6 pounds should do the trick. If you are experienced in the gym and already have a good amount of core strength established, a heavier weight may suit you more. Try 8 or more pounds, being careful not to overdo it.
Are exercise balls a good workout?
When used properly, stability balls can strengthen the core (abdominal and lower back muscles). These muscles are used to perform daily activities. A strong core helps to protect the back and stabilize the whole body, including the spine, pelvis, hips and shoulders. Improve balance.