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I'm a big fan of spinning and yoga. To strengthen my core, kick-boxing is really effective. The resistance tones everything, and it's a great stress reliever.

"Face Time | Katrina Bowden". Interview with Tina Turnbow, tmagazine.blogs.nytimes.com. August 9, 2011.
I'm a big fan of spinning and yoga. To strengthen my core, kick-boxing is really effective. The resistance tones everything, and it's a great stress reliever.