Below is a link to the U.S. Consumer Product Safety Commission’s recall of several brands of gym balls. (In case you didn’t hear about it from Jay Leno:-)
If you bought your ball from me, there is no problem. Other brands of balls are involved though so if you or someone you know has a different brand you might want to look at the list.


[...] School Sitting Postures Background Sitting Postures: (the postures plus mention of the full squat) Gym Ball Recall Tai chi and weight [...]
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