Estimating Maximal Oxygen Uptake From Daily Activity Data Measured by a Watch-Type Fitness Tracker: Cross-Sectional Study

• Main Authors: Kwon, Soon Bin (Author), Ahn, Joong Woo (Author), Lee, Seung Min (Author), Lee, Joonnyong (Author), Lee, Dongheon (Author), Hong, Jeeyoung (Author), Kim, Hee Chan (Author), Yoon, Hyung-Jin (Author)
• Format: Book
• Published: JMIR Publications, 2019-06-01T00:00:00Z.
• Subjects: article
• Online Access: Connect to this object online.

BackgroundCardiorespiratory fitness (CRF), an important index of physical fitness, is the ability to inhale and provide oxygen to the exercising muscle. However, despite its importance, the current gold standard for measuring CRF is impractical, requiring maximal exercise from the participants. Obje...