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.
Strength. Muscular strength, also referred to as limit strength, is the amount of work you can do with your muscles at one time. For example, if you can lift a 200-pound barbell during your first week of training, and lift a 205-pound barbell the next week, youâve increased your strength.n laymenâs terms, strength refers to how much work your muscles can do at one time, power refers to the explosiveness of your movements and endurance refers to how long you can use your muscles.