Analysis and quantitative myoelectric measurements of loads on the lumbar spine when holding weights in standing postures
Ten subjects executed a number of weight-holding and force-resisting work tasks while standing either upright or with their trunks in 30 degrees of forward flexion. All tasks involved sagitally symmetric body configurations and were performed isometrically. A simple calculation scheme was devised to...
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| Published in | Spine (Philadelphia, Pa. 1976) Vol. 7; no. 4; p. 390 |
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| Main Authors | , , , , |
| Format | Journal Article |
| Language | English |
| Published |
United States
01.07.1982
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| Subjects | |
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| Abstract | Ten subjects executed a number of weight-holding and force-resisting work tasks while standing either upright or with their trunks in 30 degrees of forward flexion. All tasks involved sagitally symmetric body configurations and were performed isometrically. A simple calculation scheme was devised to predict the lumbar trunk muscle contraction forces and the lumbar spine compression forces required for execution of each task. The myoelectric activity was recorded quantitatively at eight sites over the lumbar trunk muscles and at four sites over the abdominal muscles. Good correlation was found between the predicted muscle contraction forces and the myoelectric activities. |
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| AbstractList | Ten subjects executed a number of weight-holding and force-resisting work tasks while standing either upright or with their trunks in 30 degrees of forward flexion. All tasks involved sagitally symmetric body configurations and were performed isometrically. A simple calculation scheme was devised to predict the lumbar trunk muscle contraction forces and the lumbar spine compression forces required for execution of each task. The myoelectric activity was recorded quantitatively at eight sites over the lumbar trunk muscles and at four sites over the abdominal muscles. Good correlation was found between the predicted muscle contraction forces and the myoelectric activities. |
| Author | Nordin, M Schultz, A Andersson, G B Björk, R Ortengren, R |
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| BackLink | https://www.ncbi.nlm.nih.gov/pubmed/7135071$$D View this record in MEDLINE/PubMed |
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| SubjectTerms | Adult Biomechanical Phenomena Electromyography Electrophysiology Humans Lumbar Vertebrae - physiology Male Muscle Contraction Physical Exertion Posture Pressure |
| Title | Analysis and quantitative myoelectric measurements of loads on the lumbar spine when holding weights in standing postures |
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