Few of us have never experienced tension, aching or even pain up the back of your neck after doing a few too many crunches.
Fitgurú on MSN
These 8 kettlebell core exercises could transform your strength: Are you training your core the right way?
Fitness experts say kettlebells offer one of the most effective ways to build a stronger core by improving stability, balance, posture, and total-body strength at the same time.
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