What Is Potassium? Potassium is a mineral that, among other things, helps muscles contract, helps regulate fluids and mineral balance in and out of body cells, and helps maintain normal blood pressure by blunting the effect of sodium. Potassium also may reduce the risk of recurrent kidney stones and bone loss as we age.
Racking strength, simply explained, is the ability of a square or rectangular (wall) area to maintain its shape under duress. The picture below (from an old federal document testing racking strength) demonstrates what can happens with stress exceeds a wall's racking strength.acking strength, simply explained, is the ability of a square or rectangular (wall) area to maintain its shape under duress. The picture below (from an old federal document testing racking strength) demonstrates what can happens with stress exceeds a wall's racking strength.
This rack guarantees userâs safety with 2 adjustable lift offs and full-length safety bars. Being solidly constructed of 14 gauge 2 inch by 2 steel frames, this power rack can hold more than 500 pounds. With 82 inches in height and 46.5 inches in width, there is more than enough workout space for even larger guys.