Journal
BIO-MEDICAL MATERIALS AND ENGINEERING
Volume 26, Issue -, Pages S673-S683Publisher
IOS PRESS
DOI: 10.3233/BME-151359
Keywords
Whole body vibration; load deviation; muscle strength imbalance; surface EMG
Funding
- Ministry of Trade, Industry and Energy (MOTIE)
- Korea Institute for Advancement of Technology (KIAT) through the Promoting Regional Specialized Industry [R0002430]
- Basic Science Research Program through the National Research Foundation of Korea (NRF) - Ministry of Science, ICT and Future Planning [2014R1A1A1006266]
- Ministry of Trade, Industry & Energy (MOTIE), Republic of Korea [R0002430] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
- National Research Foundation of Korea [2014R1A1A1006266] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
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This study shows the improvement of muscle activity and muscle strength imbalance in the lower extremities through independent exercise loads in vibration platform. Twenty females of age 20 participated in this study. The subjects were divided into WBV group, with more than 10% of muscle strength imbalance between left and right the lower extremities, and control group, with less than 10% of muscle strength imbalance between left and right the lower extremities. As the prior experiment showed, different exercise postures provide different muscular activities. As a result, the highest muscular activity was found to be in the low squat posture. Therefore, the LS posture was selected for the exercise in this experiment. Vibration intensities were applied to dominant muscle and non-dominant muscle, and the vibration frequency was fixed at 25Hz for the WBV group. The control group was asked to perform the same exercise as the WBV group, without stimulated vibration. This exercise was conducted for a total of 4 weeks. As a result, the WBV group which showed an average deviation of 16% before the experiment, tended to decrease approximately to 5%. In this study, vibration exercise using load deviation is shown to be effective in improving the muscle strength imbalance.
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