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The Assessment of material handling strategies in dealing with sudden loading: influences of foot placement on trunk biomechanics

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<title>Assessment of material handling strategies in dealing with sudden loading: influences of foot placement on trunk biomechanics</title>
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<namePart>Zhou, Jie</namePart>
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<dateIssued encoding="marc">2013</dateIssued>
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<abstract displayLabel="Summary">Sudden unexpected loading has been identified as a risk factor of work-related low back pain (LBP). This study investigated the effects of different foot placements and load-releasing locations on trunk biomechanics under an unexpected sudden loading event. Fifteen subjects experienced sudden release of a 6.8-kg external load from symmetric or asymmetric directions while maintaining four different foot placements. The results showed that subjects experienced on average 4.1° less trunk flexion, 6.6 Nm less L5/S1 joint moment and 32.0 N less shear force with staggered stance with the right foot forward (the most preferred placement) compared with wide stance (the least preferred placement). Asymmetric load-releasing positions consistently resulted in smaller impacts on trunk biomechanics than symmetric positions. The findings suggest that staggered stance and asymmetric load-holding position can be used as a protective load-handling posture against LBP caused by sudden loading.</abstract>
<note type="statement of responsibility">Jie Zhou, Boyi Dai, Xiaopeng Ning</note>
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<title>Ergonomics : the international journal of research and practice in human factors and ergonomics</title>
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<publisher>Oxon [United Kingdom] : Taylor & Francis, 2010-</publisher>
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<identifier type="issn">0014-0139</identifier>
<identifier type="local">MAP20100019818</identifier>
<part>
<text>07/10/2013 Volumen 56 Número 10 - octubre 2013 </text>
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<recordCreationDate encoding="marc">131209</recordCreationDate>
<recordChangeDate encoding="iso8601">20131209105116.0</recordChangeDate>
<recordIdentifier source="MAP">MAP20130040745</recordIdentifier>
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