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.
So even if your daily diet contains some heart-healthy fare like salmon and oatmeal, your heart could still be at risk. In honor of American Heart Month, we've rounded up some of the worst foods for your heart. Click through the slideshow of cardiovascular no-nos below to find out how to make them healthier parts of your daily diet.