New Delhi, May 5 -- The simple physical activity of walking can improve your overall fitness and well-being. Besides enhancing your physical fitness, walking can also have a positive impact on your mental well-being. But lack of time and a busy life can put a full stop on your morning walking or jogging sessions. This is where having a manual treadmill in your home gym can be effective as they offer you a self-powered way of exercising. Unlike motorised treadmills, they are dependent on your leg drive to propel the belt. The intensity of your exercise while using a manual treadmill is directly proportional to your effort. They don't come with built-in motors to power the running belts, thus engaging more muscle groups, burning more calori...