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.
Eat Fish for Healthy Protein and Fat. Incorporate fatty fish in your diet a few days a week to support muscle growth. Like poultry and dairy, fish offers high-quality protein; a 3-ounce portion of salmon or tuna contains 22 grams, but it also supplies healthy omega-3 fatty acids.