The Sproing machine was created to help runners regain their natural running form and reduce injuries by absorbing impact. It does this through a unique spring system that holds runners from behind, allowing them to land on their mid-foot like real running instead of their heel. This, combined with soft cushioned surfaces that have give, replicates the feeling of running on sand. The founders developed the machine after realizing modern treadmills and shoes disrupted natural movement patterns and caused high injury rates, and wanted to fill the gap between low-impact ellipticals and high-intensity treadmills. Sproing has since been adopted by gyms, physical therapy centers, and professional sports teams as a tool for cardio, training, and rehabilitation