Wolan-Nieroda Andżelina, Grzybowska Agnieszka, Maciejczak Andrzej, Kiper Paweł, Federico Sara, Guzik Agnieszka
Institute of Health Sciences, Medical College, University of Rzeszów, Rzeszów, Poland.
Student Scientific Circle, University of Rzeszów, Rzeszów, Poland.
Med Sci Monit. 2025 May 26;31:e948203. doi: 10.12659/MSM.948203.
BACKGROUND The Zebris ultrasonic three-dimensional motion analysis system is an established and validated method used to measure flexion, extension, range of lateral bending, and range of axial rotation in the cervical spine. This study aimed to assess the Zebris ultrasonic three-dimensional motion analysis system to evaluate the range of motion of the cervical spine in 61 healthy adults. MATERIAL AND METHODS Sixty-one healthy individuals took part in the study. Each participant was examined twice, 2 weeks apart, by 2 independent raters. The cervical spine range of motion was measured in the sitting position, in 3 planes of motion. Measurements were performed using the Zebris ultrasound-based three-dimensional motion analysis system. Intra-rater agreement (reproducibility) was assessed by comparing the results of the 2 measurements performed by the same rater, while inter-rater agreement was evaluated by comparing the measurements of the 2 independent raters. RESULTS Intra-rater agreement showed Intraclass Correlation Coefficient (ICC) values ranging from 0.92 to 0.96 across all planes of motion, indicating high consistency of measurements over time. Inter-rater agreement showed ICC values ranging from 0.91 to 0.95, confirming high agreement between the 2 independent raters. CONCLUSIONS The study demonstrates that the Zebris ultrasonic three-dimensional motion analysis system presents excellent inter-rater and intra-rater agreement in measurements of cervical range of motion, in healthy Polish young adults. These findings support its use in clinical practice for diagnosing cervical spine mobility disorders, planning therapeutic interventions, and monitoring treatment outcomes.
Zebris超声三维运动分析系统是一种成熟且经过验证的方法，用于测量颈椎的屈伸、侧屈范围和轴向旋转范围。本研究旨在评估Zebris超声三维运动分析系统，以评估61名健康成年人的颈椎活动范围。
61名健康个体参与了本研究。每位参与者由2名独立评估者进行两次检查，间隔2周。在坐位下，在3个运动平面测量颈椎活动范围。使用基于Zebris超声的三维运动分析系统进行测量。通过比较同一评估者进行的2次测量结果来评估评估者内一致性（再现性），而通过比较2名独立评估者的测量结果来评估评估者间一致性。
评估者内一致性显示，在所有运动平面上，组内相关系数（ICC）值在0.92至0.96之间，表明测量结果随时间具有高度一致性。评估者间一致性显示ICC值在0.91至0.95之间，证实了2名独立评估者之间的高度一致性。
该研究表明，Zebris超声三维运动分析系统在测量健康波兰年轻成年人的颈椎活动范围时，评估者间和评估者内一致性极佳。这些发现支持其在临床实践中用于诊断颈椎活动障碍、规划治疗干预措施和监测治疗结果。
