The reliability of the nonradiologic measures of thoracic spine rotation in healthy adults

다국어 초록 (Multilingual Abstract)

Objective: The purpose of this study was to examine the intertester reliability and validity of four nonradiologic measurements of thoracic spine rotation in healthy adults.
Design: Descriptive laboratory study.
Methods: This study was conducted on 20 male and 20 female university students aged between 19 and 26. To measure thoracic rotation, a goniometer, a bubble inclinometer, a dual inclinometer, and a smartphone application-clinometer were used. The measurement was performed twice for each device and the same measurement was performed by two examiners. The measurements were performed in the lumbar locked position. The arm in the direction of rotation was taken back and placed onto the back of the lumbar region. With right and left trunk rotation, the head was rotated together but remained in the center line so that the axial rotation was maintained. Both examiners performed the measuring procedures and directly handled the measuring instrument. All measurement results were recorded by the recorder.
Results: The range of motion (ROM) of thoracic rotation in lumbar locked position for all four devices was 47 degrees. The intra- rater reliability estimates ranged from 0.738 to 0.906 (p<0.05). The inter-rater reliability estimates ranged from 0.736 to 0.853 (p<0.05). The goniometer, bubble inclinometer, dual inclinometer, and smartphone clinometer showed high validity (p<0.05).
This result indicates that all four devices may be used by the same examiner and by other examiners obtaining follow-up measurement.
Conclusions: The use of the goniometer, bubble inclinometer, dual inclinometer, and smartphone clinometer for measurements in the lumbar locked posture are reliable and valid nonradiologic measures of thoracic rotational ROM in healthy adults.

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