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.
Follow these tips for heart-healthy eating: 1  Eat less saturated and trans fat. Stay away from fatty meats, fried foods, cakes, and cookies. 2  Cut down on sodium (salt). Look for the low-sodium or âno salt addedâ types of canned soups, vegetables, snack foods, and lunch meats. 3  Get more fiber.