I want to get a balance ball to help with core strengthening and balance, but I don't know much about them.
I know the size I need, but that's about it.
Anyone have any experience with this equipment? Should I get one with or without sand?
Any advise would be appreciated.
I know the size I need, but that's about it.
Anyone have any experience with this equipment? Should I get one with or without sand?
Any advise would be appreciated.
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