This chair makes me to maintain good posture and use inner muscle. It is more comfortable than just sit on the balance ball (and you can sit down on it much longer).
The color selection is great. The balance disc comes inflated but I would like to inflate it more. No directions come with it, but looks like it takes a standard sports ball inflation needle. Comes with a warranty.
This is a great product added to my daughters dance workout ! She uses this to strengthen her core and help with a strong balance. Our daughters ballet teacher recommended this and we are very satisfied with the results.
This machine's vibration seems to be just as strong as any of the more expensive brands. However, because it lacks an arm rest, it does not target the upper body as much. You would have to shift and re balance your weight to feel the vibration in the upper half of the body. Although compact in size, it is a bit heavy and bulky. Aside from that, I would buy again.
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