腰背劳损是劳动者相当普遍存在的一种病患、专家估计,美国每年为此付出的代价超出5600万美元;对于公司来说,一起腰背劳损引起的误工损失,平均高达2.2万美元;每天约有1000万人因腰背劳损而寻求治疗。 腰背劳损会造成严重的后果,许多成年患者甚至连鞋都提不起来。然而,只要进行一 Back strain is a fairly common problem among laborers. Experts estimate that the United States will pay more than $ 56 million annually for this purpose. For the company, the loss of lost work caused by a strain of backs and backs is as high as $ 22,000 on average. Every day about 10 million people seek treatment for back strain. Back strain can have serious consequences, and many adult patients do not even have shoes. However, just one