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.
15 foods that are good for your heart. 1  Eat fish high in omega-3s, such as salmon, tuna, mackerel, herring and trout. 2  A handful of healthy nuts such as almonds or walnuts will satisfy your hunger and help your heart.  Berries are chock full of heart-healthy phytonutrients and soluble fiber.