Effects of Ultrasound Biofeedback on EMG Activity of Trunk Stabilizer Muscles during Lifting Tasks
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서지정보
ㆍ발행기관 : 국제물리치료학회
ㆍ수록지정보 : Journal of International Academy of Physical Therapy Research / 8권 / 3호
ㆍ저자명 : Min Hyeok Kang
ㆍ저자명 : Min Hyeok Kang
목차
INTRODUCTIONMETHODS
Design
Subjects
Ultrasound biofeedback training and measurementof TrA thickness
EMG signal recording
Lifting task
Experimental procedures
Statistical analysis
RESULTS
DISCUSSION
CONCLUSIONS
ACKNOWLEDGEMENTS
REFERENCES
영어 초록
The purpose of this study was to examine the effects of abdominal hollowing with ultrasound biofeedback on multifidus and transversus abdominis/internal oblique muscle activities during lifting tasks. This study recruited 12 healthy men. All subjects received training on expiration without and with abdominal hollowing with ultrasound biofeedback. After receiving training for each condition, the thickness of transversus abdominis was measured using ultrasound, and then, electromyography activities of transversus abdominis/internal oblique and multifidus during lifting tasks were measured using a surface electromyography system. The differences in thickness of transversus abdominis and electromyography activities of transversus abdominis/ internal oblique and multifidus between the two conditions were analyzed using paired t-test. Thickness of transversus abdominis and transversus abdominis/internal oblique and multifidus activities were significantly increased during expiration with abdominal hollowing with ultrasound biofeedback compared to during expiration without abdominal hollowing (p < 0.05). These findings suggest that abdominal hollowing with ultrasound biofeedback is effective in increasing trunk stabilizer muscle activities during both static and dynamic tasks such as lifting.참고 자료
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