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.
If you are taking heart medication, and you have a chronic (long-term) elevated blood potassium level, you may be advised to eat a low potassium diet. Foods that are high in potassium include most fresh fruits and vegetables. Some specific examples include: Oranges and orange juice.