medical Definition of nodule : a small mass of rounded or irregular shape: as a: a small abnormal knobby bodily protuberance (as a tumorous growth or a calcification near an arthritic joint)
A treadmill allows you to adjust your walking speed and incline, giving you the opportunity to optimize your walking workout. Photo Credit IT Stock/Polka Dot/Getty Images. Regular exercise, such as walking, is essential for health and one of the most important things you can do for yourself.tress Relief. Walking has benefits for your mental health, too. Regular exercise can improve your thinking, learning and mood by reducing your risk of depression and relieving stress. Walking can also help improve your sleep.
Physical activity also will help you feel better and stay at a healthy weight. Research suggests that brisk walking can be just as good for you as an activity such as jogging. Try to do a total of 30 minutes of constant physical activity, such as fast walking, most days of the week.