Should Aerobic workouts be Short but Intense – or Mild and of a longer Duration?
Michael O’Shea, a fellow of the American College of Sports Medicine, says an exercise regimen that includes both types of workouts will generally help reach your fitness goals in a shorter amount of time. Moderate physical activity, such as walking 30 minutes a day, burns an adequate amount of calories while improving the function of your cardiovascular system. Naturally, more vigorous forms of exercise (e.g. jogging or running) will burn more calories and strengthen your heart and lungs quicker. He suggests that during usual moderate aerobics routine, you can try mixing in a 30-second interval of intense activity (such as a sprint) followed by a minute or two of exercise back at your normal pace. Then add another interval, but do only two or three of these intervals at the beginning. Then as you get in better shape, attempt to do additional intervals. These 30-second intervals help improve your speed, strength and maximum capacity i.e. the ability to do more activity before feeling fa
