Reliability and Criterion Validity of Physio Master Application for the Measurement of Cervical Range of Motion in Healthy Individuals

The results demonstrated excellent intra-rater and inter-rater reliability, along with outstanding validity when compared to a digital goniometer. These findings indicate that the physio master application is a reliable and valid alternative to traditional goniometers for measuring cervical range of motion, providing a convenient and advanced tool for clinicians and researchers.