Add thickness and mass to your chest with this beast-tested, IFBB pro bodybuilder-approved pec blast from Primeval Labs-sponsored athlete Regan Grimes.
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Looking to switch up your chest routine and put on some mass? Regan Grimes, IFBB pro bodybuilder and Primeval Labs-sponsored athlete, is here to show you how.

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  1. Neck bent foward while pushing… Not sure. Head back tight on bench would actually make you an extrat support and is a safer form. You got good shape tho


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