Accuracy of a step counter during treadmill and daily life walking by healthy adults and patients with cardiac disease.
Charlotte Brun ThorupJan Jesper AndreasenErik Elgaard SørensenMette GrønkjærBirthe Irene DinesenJohn HansenPublished in: BMJ open (2017)
A speed of 3.6 km/hour or higher is required to expect acceptable accuracy in step measurement using a Zip, on a treadmill and in real life. Inaccuracies are directly related to slow speeds, which might be a problem for patients with cardiac disease who walk at a slow pace.