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You got hard. You’ll also get a “hard as steel” core if you can master this beast of an exercise.

Hardest Core Stability Exercise Ever… (TRY IT!)

There are two crucial elements to core training that often get overlooked.

1. Your shoulders are actually part of your core and should be involved in a complete core exercise AND

2. The hardest thing your core will ever be asked to do is NOT MOVE! Crazy but true.

Get a hard core with this “hard core” exercise

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