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KMID : 1137820150360050235
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의공학회지
2015 Volume.36 No. 5 p.235 ~ p.239
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Characteristics of ROM and EMG to Balance Training in Unstable Plate System: Primary Study )
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Jun Sung-Chul
Lim Hee-Chul
Lee Chang-Hyung
Kim Tae-Ho
Jung Duk-Young
Chun Keyong-Jin
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Abstract
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The purpose of this study was to investigate the unstable plate system for the advanced balance ability. 7 male volunteers (age 33.7 ± 1.2 years, height 174.7 ± 3.8 cm, weight 86.0 ± 3.6 kg, BMI 28.2 ± 2.0 kg/m2) performed the partial squat motion on the shape of CAP type(∩) and BOWL type(∪) plate system. The range of motion (ROM) and muscle activation were acquired by the motion analysis system and the EMG system. Results of ROMs of the CAP type plate system were shown the widely range of the deviation in the ankle joint on the sagittal plane (sagittal plane - hip joint 10.7o > 5.4o, knee joint 16.3o > 6.4o, ankle joint 18.8o > 6.3o ; transverse plane - hip joint 3.5o > 1.8o, knee joint 5.3o > 3.4o, ankle joint 11.3o > 5.3o ; frontal plane - hip joint 0.9o > 0.5o, knee joint 0.8o > 0.6o, ankle joint 4.8o > 3.7o). Muscle activation results of the CAP type plate system were indicated higher in major muscles for balance performance than the BOWL type plate system (vastus lateralis 0.90 > 0.62, peroneus longus 0.49 > 0.21, biceps femoris 0.38 > 0.14, gastrocnemius 0.11 > 0.05). These findings may indicate that the CAP type plate system would expect better effectiveness in perform the balance training. This paper is primary study for developing balance skills enhancement training device.
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KEYWORD
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Unstable Plate System, Balance Ability, Range of Motion, EMG, Motion Analysis
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