The Effect of sustained spinal load on intra-abdominal pressure and EMG characteristics of trunk muscles
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LDR | 00000nab a2200000 i 4500 | ||
001 | MAP20071500091 | ||
003 | MAP | ||
005 | 20080418122207.0 | ||
008 | 981215e19971201gbr|||| | |00010|eng d | ||
040 | $aMAP$bspa | ||
084 | $a875 | ||
100 | 1 | $0MAPA20080104924$aKumar, Shrawan | |
245 | 1 | 4 | $aThe Effect of sustained spinal load on intra-abdominal pressure and EMG characteristics of trunk muscles$cShrawan Kumar |
520 | $aFoorteen 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 | ||
650 | 1 | 1 | $0MAPA20080550653$aErgonomía |
650 | 1 | 1 | $0MAPA20080579579$aColumna vertebral |
650 | 1 | 1 | $0MAPA20080589462$aCarga de materiales |
650 | 1 | 1 | $0MAPA20080575755$aElectromiografía |
650 | 1 | 1 | $0MAPA20080545086$aPresión |
650 | 1 | 1 | $0MAPA20080540999$aFatiga |
650 | 1 | 1 | $0MAPA20080607289$aMétodos experimentales |
773 | 0 | $dLondon [etc.]$gVol. 40, nº 12, December 1997 ; p. 1312-1334$tErgonomics |