What is a manual treadmill? Unlike their motorized cousins, manual treadmills don’t rely on a motor to provide their operating power. Instead, they rely on human power – that is, the strides of the person using it. Fitness enthusiasts agree that manual treadmills have several benefits over their motorized counterparts. They don’t have as many moving parts – after all, they do not need a motor to run. Manual treadmills are almost always engineered to be space-saving. Fully-assembled, most manual treadmills outclass motorized models in terms of footprint size, meaning they can be set up in almost any room that…