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KMID : 1195020180140020001
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Archives of Orthopedic and Sports Physical Therapy
2018 Volume.14 No. 2 p.1 ~ p.8
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The Influence of Augmented Reality based Knee Exercise in Short Period on Range of Motion and Balance - Pilot study
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Im Jong-Hun
Yu Jae-Ho
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Abstract
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Purpose: This study investigated the effect of the augmented reality (AR)-based knee joint short period exercise program and used a motion analyzer with a 3D camera to determine the range of motion and dynamic balance and further investigate the effects of therapeutic exercise on patients.
Methods: This study used AR-based motion analysis and a Y-balance test to measure the range of motion (ROM) of each joint: the hip joint and the knee joint. After the measurements, an exercise program was applied to the subjects, using the knee motion program function, and the muscles of the quadriceps femoris and the hamstring were stretched or strengthened.
Results: Our results showed knee joint extension at the dominant hip joint flexion position. While there was no significant difference (p>.05) at this position, there were significant differences in the non-dominant hips, unbalanced knee joint flexion, and superior knee joint flexion (p<.05). The Y-balance test using the non-dominant leg supported by the dominant legs showed that the absolute reach was 69.70±7.06 cm before the exercise, and the absolute reach after the exercise was 77.56±6.09 cm (p<.05).
Conclusions: There was a significant difference when the movement of the lower limbs supported the superior limbs, and a significant difference was found in the ROM when the non-dominant side supported the dominant side. Therefore, the AR-based exercise program improves the balance of the human body and the range of motion of the joints, and research that aims to improve patients abilities should continue.
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KEYWORD
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Augmented reality, Range of motion, Short term effect, Knee joint, Exercise
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