The treadmill remains a top choice for people opting for a piece of at-home gym equipment for its wide-ranging health benefits. These include: Cardiovascular health: A treadmill is a form of cardiovascular exercise. This type of exercise can contribute to overall heart health. Weight loss: Calories in and calories out is the name of the weight loss game. Treadmills can help burn calories more quickly than other types of aerobic exercise. Muscle tone: Treadmill exercise works out multiple muscle groups at the same time. It truly is a full-body workout as core muscle groups are constantly engaged.