The Fitness Journal

Can you hold the plank position or a prone hyper-extension for 2 minutes? How about the side bridge for 90 seconds? According to Bill Hartman, if you can’t meet all of these basic tests, you are not strong enough to handle an external load (weights) of more than 20% of your bodyweight.

Test yourself and see how good your “core” strength is.

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Train Smart, Love Life.
Wayne