Strength® Shoes Have Been Medically Documented to be Safe and Effective

In regular shoes, 70% of the body's weight rests on the heel. Therefore, the calf muscles exert little effort in supporting the body. In Strength® Shoes, the heel is eliminated causing the calves to support 100% of the body's weight. This overload works the calves and Achilles tendons with a force equal to 6 times the body's weight upon impact.
For full details, read the Tulane University Department of Exercise and Sport Sciences research report.

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