侧面和背部抬举的最大可接受抬举重量。
Maximum acceptable weight of lift for side and back lifting.
作者信息
Lee K, Waikar A, Aghazadeh F
机构信息
Industrial Engineering Department, Louisiana State University, Baton Rouge 70803.
出版信息
J Hum Ergol (Tokyo). 1990 Jun;19(1):3-11.
A series of laboratory experiments were conducted to find maximum acceptable weights in front, side, and back lifting. Fifteen college students participated in the experiment. Experimental trials for each type of lifting were conducted for 10 min for each subject at a rate of 4 lifts/min. Psychophysical methodology was used to find the acceptable weight based upon their perceived feeling of stress in the lower back. It was found that subjects are willing to lift the heaviest load using back lifting (average maximum acceptable weight: 41.5 lbs). Front lifting was the close second with 39.4 lbs. Also, there was a significant difference in maximum acceptable weight of lift between side lifting (average maximum acceptable weight: 25.5 lbs) and the other two types of lifting. It was also found that leg strength was a limiting variable for maximum acceptable weight in front lifting. Composite strength and shoulder strength were found to be limiting variables in side lifting. Composite strength was the limiting variable in the back lifting.
进行了一系列实验室实验，以确定前举、侧举和后举时的最大可接受重量。15名大学生参与了该实验。每种举升类型的实验试验对每个受试者以每分钟4次举升的速度进行10分钟。采用心理物理学方法，根据他们在下背部感知到的压力感来确定可接受的重量。结果发现，受试者愿意用后举方式举起最重的负荷（平均最大可接受重量：41.5磅）。前举以39.4磅紧随其后。此外，侧举（平均最大可接受重量：25.5磅）与其他两种举升方式在最大可接受举升重量上存在显著差异。还发现腿部力量是前举时最大可接受重量的限制变量。综合力量和肩部力量是侧举时的限制变量。综合力量是后举时的限制变量。
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