Cardiorespiratory Fitness Estimation Based on Heart Rate and Body Acceleration in Adults With Cardiovascular Risk Factors: Validation Study

Antti-Pekka E Rissanen   ^{1, 2, 3 *} , MSc, MD, DMSc ;   Mirva Rottensteiner   ^{1, 4 *} , PhD ;   Urho M Kujala   ⁴ , MD, PhD ;   Jari L O Kurkela   ⁵ , PhD ;   Jan Wikgren   ⁵ , PhD ;   Jari A Laukkanen   ^{1, 6} , MD, PhD

¹ Central Finland Health Care District, Jyväskylä, Finland

² Department of Sports and Exercise Medicine, Clinicum, University of Helsinki, Helsinki, Finland

³ HULA – Helsinki Sports and Exercise Medicine Clinic, Foundation for Sports and Exercise Medicine, Helsinki, Finland

⁴ Faculty of Sport and Health Sciences, University of Jyväskylä, Jyväskylä, Finland

⁵ Centre for Interdisciplinary Brain Research, Department of Psychology, University of Jyväskylä, Jyväskylä, Finland

⁶ Institute of Clinical Medicine, Department of Medicine, University of Eastern Finland, Kuopio, Finland

*these authors contributed equally