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.
(Functional foods are those with added nutrients, such as calcium-enriched orange juice.). Hereâs a list to take on your next heart-healthy trip to the supermarket: 1  Produce: Look for colourful fruits and vegetables: berries, oranges, apples, yams, broccoli, spinach, peppers, and more. 2  Cholesterol-free and low-fat, fruits and vegetables are the foundation of any heart-healthy diet.
Add more nutritious foods to your diet. 1  Instead of fatty meats, choose lean protein and seafood. 2  Shoot for at least 8 ounces of fish a week. 3  Instead of solid fats like butter or margarine, use olive, canola, and other oils that are good for your waistline and heart.