BODYTRENDS ANTI-BURST FITNESS BALL - 60/65 CM A primary benefit of exercising with a Bodytrends exercise ball as opposed to exercising directly on a hard flat surface is that the body responds to the instability of the ball to remain balanced engaging many more muscles to do so. Those muscles become stronger over time to keep balance. Most frequently the core body muscles - the abdominal muscles and back muscles - are the focus of exercise ball fitness programs. Using a Bodytrends exercise ball as part of a fitness program can include a wide range of difficulty levels each requiring support from the back and stomach muscles that help firm up the trunk muscles in the body. Exercise balls are commonly used as part of a physical therapy program for individuals with low back pain. Whether you are new to fitness or a seasoned athlete this ball will enhance your workout giving you results. Ideal for stretching strengthening and toning exercises. First used by physical therapists over 30 years ago exercise balls are now used in leading health clubs around the nation and are quickly becoming a standard item for any home gym. Product Features: 65cm Anti Burst Exercise Ball. Great as an office chair. Burst resistant heavy guage PVC vinyl for durability. Ball can be used at home in the gym or clinic Increase stability and flexibility. Item number : BGT4-65 All items in this page will ship to the USA only (48 internal states only). Unless otherwise posted, all sales are final. Please contact us before sending any item back. All returns will require a RMA number. If your item is defective or damaged you must contact us to get an RMA number. You may return damaged items to us within a period of 30 days after you have been assigned a RMA number. Shipping costs are non-refundable.