Cornstarch (or corn flour) usually works best with water-based sauces, reduced stock, jus from meats, wine sauces, wine-soy-vinegar Chinese sauces, etc. Make a thin paste of cornstarch and water, and stir that into the very warm liquids in the pot or pan. Over-heating or over-cooking will break down the starches.
maintaining, or pertaining to, the same length; of equal dimensions. isometric contraction. muscle contraction without appreciable shortening or change in distance between its origin and insertion. isometric exercise. active exercise performed against stable resistance, without change in the length of the muscle.
In isometric muscle contraction the muscle maintains the same length as tension in the muscle increases, as when holding a weight in a static position for an extended period of time. That is, there is no change in the length of the contracting muscle during isometric muscle contraction. The amount of force a muscle can produce during an isometric contraction depends on the length of the muscle at the point of contraction.