作者: CARL ZETTERBERG , GUNNAR B. J. ANDERSSON , ALBERT B. SCHULTZ
DOI: 10.1097/00007632-198712000-00015
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摘要: The myoelectric activity of ten trunk muscles were recorded, using intramuscular electrodes, when subjects made maximal and 50% static exertions in standing postures. Exertions flexion, extension, left right lateral bending. Three heavy-lifting tasks also stu