Medical Definition of ISOMETRIC. 1. : of, relating to, or characterized by equality of measure; especially: relating to or being a crystallographic system characterized by three equal axes at right angles. 2.
ALSO READ: Diet for Abs: Foods for Six Packs Abs. Muscle Building: Worst Foods for Abs #2. Commercial peanut butter: Peanut butter is one of the best foods you can consume if you want to build muscle, due to its high protein content. Peanut butter is also a great post workout snack.
The best way to make your body build muscle is to give it energy. The most important time of the day is post workout. What you need is a protein/dextrose shake with l-glutamine and creatine. Opt for 30 grams of protein and the equivalent amount of sugar (dextrose).