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Effect of Objective Training Programs on Symmetry and Accuracy of Passive Motion Force Application

Journal: The AAO Journal Date: 2023/06, 33(2):Pages: 34-35. doi: Subito , type of study: observational study

Full text    (https://meridian.allenpress.com/aaoj/article/33/2/20/493544/LBORC-NUFA-Poster-Abstracts-2023-Students)

Keywords:

clinical competence [189]
force application [1]
motion testing [1]
observational study [126]
osteopathic medicine [1540]
programs [60]

Abstract:

Introduction/Background: Applying force along the spine (passive testing) is commonly used to evaluate segmental vertebral motion. When performing this testing, it is rational that both hands apply equal or very similar forces to accurately perceive motion/displacement for determining somatic dysfunction. Objective: The purpose of this study was to evaluate two training programs on participants’ ability to learn to apply symmetric forces when testing segmental motion. Methods: The local IRB approved this study. Twenty participants, divided into 2 training groups, practiced passive motion testing using Novel Loadpad force sensors and an IOS application. Training modules asked participants to apply symmetric vertical forces with their thumbs at specific target forces. The app displayed real-time force measurements with visual/auditory feedback when forces were within 10% of the target. Group A practiced 1 hr/week for 8 weeks. Group B practiced 1 hr/day for 10 days. Each group performed baseline and final assessments of sustained single hand forces and alternating forces between hands at 10, 20, and 30N. Symmetry was calculated as percent difference between hands (DH%) and accuracy as percent difference from target (DT%). Results: DH% decreased for Group A (-7.2%, p=0.29) and Group B (-9.4%, p=0.002) to 14.7% and 15.4% respectively. DT% decreased from baseline to final for both Group A (-20.860%, p=0.003) and Group B (-27.6%, p<0.001). No interaction was found between group training programs and improvement over time (p=0.617). Conclusions: Objective feedback training increased symmetry and accuracy of force application for segmental motion testing, however, there was no difference between training programs. This study was limited by small sample size.


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