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在人体测量工作中,为了要了解人体肌肉力量的发展情况和健康情况,常须测量肌肉力量,作为观察比较的客观指标之一。背力和腿力代表着身体主要大肌肉的力量,因此,测量背力和腿力在肌力測量中占有着重要的地位。测量背力和腿力需要用特制的测力计。外国制造的是一种钢条测力计。我国目前还没有生产这种器械。在技术革命运动中,我曾试用过几种方法来制作测力计,但总没有成功。最近我将杠杆装置和体重计结合起来,制成杠杆测力计,试用成功。现将这种器械的制作,使用和鉴定的情况分述于下:
In the anthropometric work, in order to understand the development of human muscle strength and health conditions, muscle strength must often be measured as one of the objective indicators of observation and comparison. Back strength and leg strength represent the strength of the major major muscles of the body, so measurement of back and leg strength plays an important role in muscle force measurement. Back force and leg force measurement need to use a special dynamometer. Made in foreign countries is a steel dynamometer. China has not produced such equipment yet. In the technical revolutionary movement, I have tried several methods to make the dynamometer, but I have not succeeded. Recently, I combined the lever device and the weight scale to make a lever dynamometer. The trial was successful. Now the production of this equipment, use and identification of the situation are described below: