Validity and Reliability of Smartphone Inclinometer Application for Measurement of Cervical Range of Motion

Nowadays, smartphone technology provides opportunities for assessing and treating patients in clinical facilities and during the follow-up of the patient's progress. To date, many studies have assessed the validity and reliability of the smartphone application against universal goniometer for various joint motions, for instance, the spinal column, knee, and ankle. This study aims to determine the validity and reliability of smartphone inclinometer application for measurement of cervical region range of motion.