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What Is a Non Electric Treadmill? It can be challenging to simulate outdoor running without weather conditions. One method to achieve this is by using a non electric treadmill like the curved manual treadmill. Motorized treadmills can come with more advanced features, such as LCD or LED displays, preset workout programs and interactive features, and speakers. However the non-motorized options are ideal for those who prefer to regulate themselves with each step. What is a manual treadm