지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
초록· 키워드
오류제보하기
Previous investigators have shown that the frequency compression is related to the muscle fatigue and the decreasing conduction velocity of muscle fibers. The aim of the present study was to investigate the relationship between endurance times and frequency parameters such as mean power frequency and median frequency in the surface EMG signal during isotonic contractions. Eight healthy subjects performed voluntary isotonic contractions of biceps Brachii muscle until their endurance times which were determined when the subject could no longer follow the contraction cycle. The regressive slopes of mean power frequency and median frequency were used to describe the frequency compression of the surface EMG signal, and to test the predictability of endurance time. As results of experiment, significant correlations were found between endurance time and the regressive slopes of mean power frequency and mean frequency computed over 50%Tend of endurance time.
목차
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참고문헌 (17)
참고문헌 신청
Agre, J.C. / 2000 / Neuromuscular Rehabilitation and Electrodiagnosis. 4. Specialized Neurioathy / Arch. Phys. Med. Rehabil. 81 : 27 ~ 31
Allison G.T. / 2002 / The Relationship between EMG Median Frequency and Low Frequency Band Amplitude Changes at different Levels of Muscle Capacity / Clinical Biomechanics 17
Bazzucchi I. / 2006 / Difference in the force/ endurance relationship between young and older men / Eur. J. Appl. Physiol 9 : 390 ~ 397
Bigland-Ritchie B / 1981 / Conduction velocity and EMG power spectrum changes in fatigue of sustained maximal efforts / J. Appl. Physiol. 51 (5) : 1300 ~ 1305
Boyas S / 2006 / Changes in sEMGparameters among trunk and thigh muscles during a fatiguing bilateral isometric multi-joint task in trained and untrained subjects / J. Electr
Allison G.T. / 2002 / The Relationship between EMG Median Frequency and Low Frequency Band Amplitude Changes at different Levels of Muscle Capacity / Clinical Biomechanics 17
Bazzucchi I. / 2006 / Difference in the force/ endurance relationship between young and older men / Eur. J. Appl. Physiol 9 : 390 ~ 397
Bigland-Ritchie B / 1981 / Conduction velocity and EMG power spectrum changes in fatigue of sustained maximal efforts / J. Appl. Physiol. 51 (5) : 1300 ~ 1305
Boyas S / 2006 / Changes in sEMGparameters among trunk and thigh muscles during a fatiguing bilateral isometric multi-joint task in trained and untrained subjects / J. Electr
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