A Worksite method for shoulder muscle fatigue measurements using EMG, test contractions and zero crossing technique

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      <subfield code="a">Hägg, Göran M.</subfield>
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      <subfield code="a">The present study was aimed at methodological development of practical and reliable field studies for the shoulder region. EMG signals were recorded during short test contractions performed at regular intervals during work and at rest. Signal analysis was performed using the zero-crossing method</subfield>
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      <subfield code="g">Vol. 30, nº 11, November 1987 ; p. 1541-1551</subfield>
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