Typically retailing for $200, the Terra-Core trainer is now on sale for $180, which is 10% off its retail price, a worthwhile investment if you want to optimize your home workouts, and here is why.

Being a former gymnast, I'd like to think my balance and stability are still on point. In reality, though, I'm not as nimble as I used to be (she says as a mid-twenty-something), so I'm always up for ...

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