The aim of this study was to determine the concurrent validity and reliability of telerehabilitation (TR)-based evaluation of the cervical spine among adults with non-specific neck pain (NS-NP).
Methods
A total of 11 participants with NS-NP were recruited. Pain intensity, active range of motion (AROM), posture, deep neck flexor (DNF) endurance, combined neck movements and disability were measured using face-to-face and TR methods, with a one-hour break in between. TelePTsys, an image-based TR system, was used for TR assessment.
Results
A high degree of concurrent validity for pain (bias = 0.90), posture (bias = 0.96°), endurance (bias = –2.3 seconds), disability (bias = 0.10), AROM (extension bias = –0.60 cm, flexion bias = 1.2 cm, side flexion bias = –1.00, rotation bias = –0.30 cm) was found. Standard error of measurement and coefficient of variation (CV) values were within the acceptable level for concurrent validity, except the CV for cervical flexion and endurance. There was a high degree of reliability demonstrated for pain, posture, AROM, endurance and disability measurements. The average-measure interclass correlation coefficient (ICC(3,1)) ranged from 0.96 to 0.99 for inter-rater, and 0.93 to 0.99 for intra-rater reliabilities. There was moderate agreement for combination movement for validity (78.5%, p < 0.05), inter- (78.5%, p < 0.05) and intra-rater (76.4%, p < 0.05) reliabilities.
Discussion
TR-based physiotherapy assessment of cervical spine is a valid and reliable tool for measuring pain intensity, AROM, DNF muscle endurance, sagittal neck posture and disability among adults with NS-NP via telePTsys.
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