![]() ![]() However, the LPD (ICCs = 0.767–0.796) outperformed the WS (ICCs = 0.507–0.661) in cervical extension, left lateral flexion, and right rotation. The intra-rater reliability of the WS (ICCs = 0.682–0.774) was higher than that of the LPD (ICCs = 0.512–0.719) for measuring JPE of cervical flexion, right lateral flexion, and left rotation. The intra- and inter-rater reliability of the instrument were determined by calculating the intraclass correlation coefficients (ICC), and the validity was analyzed by calculating the ICC and the Spearman’s correlation. All participants repositioned their head to the target position and the deviation of repositioning was calculated using these two instruments. Twenty-eight healthy participants (16 women, 12 men age 25–66 years) were recruited and evaluated for cervical joint position error with a WS and LPD by two independent observers. The purpose of this study was to analyze the reliability and validity of the WitMotion sensor (WS) device in evaluating cervical proprioception, and to explore a cheaper, more convenient, and more practical testing tool. ![]() As technology continues to improve, more and more advanced tools are used to evaluate cervical proprioception. In clinical practice, cervical proprioception is usually evaluated by calculating the cervical joint position error (JPE) with laser pointer devices (LPD) or cervical range-of-motion (CROM) instruments. ![]()
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