| There are basically four types of ball chairs. There is | | | | The simple exercise ball chair consists of an inflatable |
| the original ball chair designed by Eero Aarnio in 1963, | | | | ball inside a crude low frame which is on four or five |
| the suspended ball chair, usually referred to as a | | | | casters. The fact that the inflated ball moves with your |
| bubble chair by the same designer; the exercise ball in | | | | every movement, means that you have to keep your |
| a frame, which is ostensibly for the gym or home use | | | | balance carefully or the chair will glide out from |
| and a refined version of the gym exercise ball for | | | | underneath you. Maintaining your balance like that will |
| office use. | | | | give you gentle exercise, keep your circulation good, |
| The original ball chair was designed by Eero Aarnio, | | | | correct bad posture and keep you attentive. |
| because he had just turned freelance and so was | | | | The refined ball office chair works on the same |
| working from home. He did not want to shut himself | | | | principle, but it has a back rest and arm rests.These |
| away from his family, but he also desired some peace | | | | chairs are modifiable for height by inflating or deflating |
| and quiet in order to work. His idea was the ball chair. It | | | | the ball as necessary. This obviously makes the weight |
| is essentially a ball on a revolving pedestal with a | | | | of the occupant of the chair an important factor in |
| section cut away. The inside of the ball is sumptuously | | | | choosing the right ball office chair for you, despite the |
| upholstered in fabric or leather. | | | | fact that all ball office chairs come with a pump. |
| It became a 'room within a room'. He installed a | | | | After all, there is only so much air you can pump into a |
| telephone even to early models and over the years | | | | balloon, isn't there? Conversely, there is only so much |
| other refinements have been added also, such as | | | | air you can let out before it ceases to be a ball chair |
| stereo and MP3. It is a hybrid between an office chair | | | | any more. Therefore, you have to have some notion |
| and a personal booth. It is definitely relaxing to sit inside | | | | of the size of the sitter before you buy a ball office |
| and listen to music while pondering life, but is probably | | | | chair. The ideal sitting position with a ball office chair, as |
| only for home use. | | | | with any other chair, is with your feet flat on the |
| A related design also by Eero Aarnio is a suspended | | | | ground and your thighs parallel to the floor. |
| ball chair made of transparent material. This too offers | | | | The theory of the ball office chair makes sense and |
| a private cocooned world to the user, even if there | | | | most of those who have used them say that they |
| are many others near-by. It too is not a genuine office | | | | work well and are amusing to sit in. The only problem |
| chair in my opinion or it could only be used for a home | | | | many users pointed to was ridicule from their |
| office. | | | | co-workers. |