The term Yoga Tune Up® Therapy balls refers specifically to the original YTU Therapy Balls. The Roll Model® Therapy Balls are all the various Therapy Balls used within The Roll Model® Method and YTU, i.e., the YTU Therapy Balls (OG’s), the Therapy Ball PLUS, the ALPHA Ball and the Coregeous® Ball. Collectively, these are The Roll Model Therapy Balls. Lots of people also call them “Tune Up Balls” – your choice how you want to refer to them as long as you put them to good use!

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