The higher you set the incline, the more energy your body is forced to use to help activate your glutes, quadriceps, and calves, all of which have to put in overtime when the incline is increased.
This type of interval training has many benefits, such as improving cardiovascular fitness and burning more calories than regular walking. And interval training can be done in less time than regular walking.
Walking is a more gentle exercise compared to HIIT, but that doesn't mean you don't need to stay hydrated. Drink before, during (if necessary), and after your workout to perform at your best.
Once you get into a groove, don't be held back by the 10,000-a-day rule. "It takes effort, but we can accumulate 15,000 steps a day by walking briskly for two hours at about a four-mile-per-hour pace.
You could walk for hours and essentially undermine all that process by eating high-calorie junk food. Stick to satiating whole foods that make you feel good and fuel your walks.
Turning your walks into social time with friends and family is ideal. You get all the benefits of time spent with loved ones while getting your steps in. By working out together.
While the whole point of walking is a low-impact exercise that burns fat, try to stay at a brisk pace. "If you add 30 minutes of brisk walking to your daily routine, you could burn about 150 more calories a day.