Not sure I fully agree with your position or premise. With beginners especially, a healed shoe or a board will cause them to lean forward or push through the toes. This is leads to poor form and can cause injury. If your form is poor flat footed, you will only exaserbate it by lifting your heals. More advanced lifters do make use of heal lifts, as they do hit your quads in a different manner, but I would not recommend them for beginning lifters.
David, Husband, Father, Pastor
(Yasen Miroslav Zavadil)
Getting focused to get better.
"If there is nothing you can improve on, your standards are too low!" - BAMA Strength Coach Scott Cochran
1Co 9:27 But I discipline my body and keep it under control, lest after preaching to others I myself should be disqualified
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