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The COBA Board is scientifically proven to maximize glute and hamstring muscle activation while minimizing use of quadriceps and knees - You'll need an HTML5 capable browser to see this content.PlayReplay with soundPlay with sound00:0000:00“I had a knee replacement and it takes all of the pressure off of the knees and quads when doing squats. Squats are the gold standard for exercising.” – Kathleen Goldring, Fitness Director You'll need an HTML5 capable browser to see this content.PlayReplay with soundPlay with sound00:0000:00You'll need an HTML5
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https://www.kickstar...rainer-coba-board
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