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KMID : 1012020230120030259
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Physical Therapy Rehabilitation Science
2023 Volume.12 No. 3 p.259 ~ p.267
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RELIABILITY and VALIDITY of DUAL PROBE-FIXING FRAME for REHABILITATIVE ULTRASOUND IMAGING for EXERCISES with VISUAL FEEDBACK
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Byeon Na-Eun
Shin Jang-Hoon
Lee Wan-Hee
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Abstract
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Objective : Rehabilitative ultrasound imaging is a safe and noninvasive technique for evaluating muscle thickness. A dual probe-fixing frame (DPF) can provide visual feedback during exercises targeting specific muscles. The purpose of this research was to verify the reliability and validity of the DPF for dual-probe ultrasound (DPU)-based visual feedback exercises, allowing users to use both hands freely.
Design : This cross-sectional study used repeated measures to compare muscle thickness measurements obtained using the handheld device and DPF with DPU.
Methods : Twenty healthy adults participated in the study. Measurements were taken over two sessions, with a two-day interval between the sessions. The thicknesses of the rectus abdominis (RA) and transverse abdominis (TrA) muscles were measured using DPU. The DPF with DPU developed by the research team, was used along with a laptop-based muscle viewer. Bland-Altman analysis and intraclass correlation coefficients (ICCs) calculations were used in statistical analyses to evaluate agreement and reliability, respectively.
Results : The results of the Bland?Altman analysis showed small average differences between the handheld and DPF methods for both RA and TrA muscle thicknesses. Inter-rater reliability analysis showed high ICC values for DPF measurements of both RA (0.908?0.912) and TrA (0.892?741) muscle thicknesses. Intra-rater reliability analysis also showed good ICC values for measurements taken by a single examiner over two days.
Conclusion : The findings of this study demonstrate that the DPF provides reliable and valid measurements of muscle thickness during visual feedback exercises using the DPU.
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KEYWORD
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Rehabilitation, Ultrasonography, Reliability and Validity, Test-Retest
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