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Wow, nice. I bought kneeling chair and sitting ball, but prefered ball, but I don't know whether it helps me at all
by tester34 5y ago
Wow, nice.
I bought kneeling chair and sitting ball, but prefered ball, but I don't know whether it helps me at all
- tpxl 5y agoThe ball exercises your lower back muscles for sure, but you can still have bad posture on it. I used to sit on one cross legged with bad upper back posture.