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.
To have a heart-healthy diet: 1  Eat fruits and vegetables. 2  Eat a variety of grain products every day. 3  Eat fish at least 2 times each week.  Limit saturated fat and 1  cholesterol. Read food labels and limit the amount of trans fat you 2  eat. Choose healthy 3  fats. Limit sodium.  Eat only as many calories as you need to stay at a healthy weight.