Exercise ball standard exercises, such as a push-up, on an unstable surface can be used to increase activation of core trunk stabilizers and in turn provide increased trunk strength and greater resistance to injury. Fitness Experts and some doctors also recommend sitting on an exercise ball instead of an office chair. That is based on the theory that the abdominal and back muscles are constantly engaged and active to maintain proper posture and balance on the ball. There is no scientific evidence of those benefits occurring by just sitting without additional exercises. However, some people warn against using a Swiss ball as
Bungee ball about 4–7 hours of use, the Bungee Ball's bungee cord would snap, and the ball itself would break, releasing synthetic liquid. They were recalled in October 2003. By then, nearly all Bungee Balls had vanished from retail stores. Bungee Balls are now most available by online shopping. Bungee ball Bungee balls are toys that are produced as a means of enhancing a person's hand–eye coordination. Traditionally, a bungee ball is made of plastic. At one end or an elastic cord a person slips his/her finger into a notch and at the other end is an elastic hollow ball containing synthetic