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Better Bodies: Working Out Your Core

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By KMVT News

Twin Falls, Idaho ( KMVT-TV / KSVT-TV ) Never underestimate the power of your core.

The abdominal muscles are not only a key to your physical strength, but central to your balance and stability.

While hundreds of crunches may seem redundant and ineffective, Gold’s Gym has an even better answer in group fitness.

In this week's Better Bodies, Nikki Kay checks out the les mills CX works class.