Medical-Grade Physical Activity Monitoring for Measuring Step Count and Moderate-to-Vigorous Physical Activity: Validity and Reliability Study.
Myles William O'BrienWilliam Robert WojcikJonathon Richard FowlesPublished in: JMIR mHealth and uHealth (2018)
The PiezoRx PA monitor appears to be a valid and reliable measure of step count and MVPA in this diverse sample of adults. The device's ability to measure MVPA may be improved when anthropometric differences are considered, performing at par or better than a research grade accelerometer.