I diet with a balance ball

It is balance ball exercise of popularity.

Is various against the ball which flexibility matches, and

work; will use a muscle of a whole body by posing.

It is possible for the exercise that oneself had regardless of

age and physical strength by choosing size and strength of a

ball.

While I am big, and a seat waves an arm to front and back using

reaction of a ball while keeping balance on a ball, I move a

waist up and down.

I close the side and keep an elbow 90 degrees, and it is 20

minutes from about 15 minutes.

It is effective in tightening of a whole body.