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.
1. Eat sufficient amounts of protein. The rule of thumb is that you need between 1 and 1.5 times your body weight in grams of protein. For example, if you weigh 150 pounds, you should eat between 150 and 225 grams of protein per day if you want to consistently gain muscle.roteins that are great for building muscle include: 1  Red meat like beef, pork, lamb, venison, bison, etc. 2  Fish like tuna, salmon, swordfish, bass, trout, mackerel, etc. 3  Poultry breast, from chicken, turkey, duck, etc. 4  Eggs, especially egg whites.