Spectral analysis of erector spinae EMG during intermittent isometric fatiguing exercise

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      <subfield code="a">Spectral analysis of erector spinae EMG during intermittent isometric fatiguing exercise</subfield>
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      <subfield code="a">The applicability of EMG spectral analysis in the study of muscular fatigue of the erector spinae muscle was investigated. At three locations of the erector spinae muscle, representing different functional parts, EMG was sampled during fatiguing intermittent isometric extension of the trunk. The multifidus muscle appeared to show the most consistent changes of the EMG power spectrum as a consequence of fatigue</subfield>
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      <subfield code="g">Vol. 36, nº 4, April 1993 ; p. 407-414</subfield>
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