The fitness training principle for working on certain skills and parts of the body to get results is known as O overload
progression
O reversibility
O specificity

Jackson's doctor has suggested he begin increasing his intake of foods that contain plenty of vitamin c. which foods might he add to his diet? yogurt, fish, and cheese tomatoes, strawberries, and peppers whole wheat bread, brown rice, and white potatoes poultry, eggs, and bananas