The Effect of sustained spinal load on intra-abdominal pressure and EMG characteristics of trunk muscles

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<title>Effect of sustained spinal load on intra-abdominal pressure and EMG characteristics of trunk muscles</title>
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<name type="personal" usage="primary" xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="MAPA20080104924">
<namePart>Kumar, Shrawan</namePart>
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<dateIssued encoding="marc">1997</dateIssued>
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<abstract displayLabel="Summary">Foorteen young male students and 12 young female students held 9,07 kg and 6,8 kg, respectively, at their three-quarters horizontal reach distance in upright  and stooping postures for a period of 5 min. The EMGs were processed in magnitude and time domains to determine muscle fatigue. Through the data obtained it was seen that the intra-abdominal pressure did not follow or reflect either the spinal load or the muscle activity. Based on the arguments presented, it was concluded that the intra-abdominal pressure does not appear to have a role of relieving the spine of some of its load. Instead, it is suggested that it is a dependent variable manifesting itself when mechanisms for spinal stability are evoked to overcome large voluntary and inertial loads</abstract>
<note type="statement of responsibility">Shrawan Kumar</note>
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<topic>Ergonomía</topic>
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<subject authority="lcshac" xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="MAPA20080579579">
<topic>Columna vertebral</topic>
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<topic>Carga de materiales</topic>
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<subject authority="lcshac" xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="MAPA20080575755">
<topic>Electromiografía</topic>
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<subject authority="lcshac" xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="MAPA20080545086">
<topic>Presión</topic>
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<subject authority="lcshac" xmlns:xlink="http://www.w3.org/1999/xlink" xlink:href="MAPA20080540999">
<topic>Fatiga</topic>
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<topic>Métodos experimentales</topic>
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<title>Ergonomics</title>
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<publisher>London [etc.]</publisher>
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<text>Vol. 40, nº 12,  December 1997 ; p. 1312-1334</text>
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