The science behind Sproing is real and documented. We conducted an extensive three month study to prove what we already knew (and felt!) - that Sproing is half the impact of a treadmill or elliptical. Read for yourself the research studies. The facts are compelling.
Metabolic Conditioning Research Studies
Running Biomechanics: SPROING Promotes Correct Biomechanics - Forefoot Striking Research Studies
Barefoot Running also Promotes Forefoot Striking - Research
Soft Surface Running Data - Research Studies