Manual lifting is one of the common practices used in the industries to transport or move objects to a desired place. Nowadays, even though mechanized equipment is widely available, manual lifting is still considered as an essential way to perform material handling task. Improper lifting strategies may contribute to musculoskeletal disorders (MSDs), where overexertion contributes as the highest...

The neural response to a violation of sequences of identical sounds is a typical example of the brain's sensitivity to auditory regularities. Previous literature interprets this effect as a pre-attentive and unconscious processing of sensory stimuli. By contrast, a violation to auditory global regularities, i.e. based on repeating groups of sounds, is typically detectable when subjects can cons...

Construction is a large, dynamic, and complex industry sector that plays an important role in the U.S. economy. Construction workers and employers build our roads, houses, and workplaces and repair and maintain our nation's physical infrastructure. Construction work can involve building of new structures, which may include activities involved with subdivi­ ding land for sale as building sites o...

purpose student circus artists train as both artists and athletes with their bodies holding the key to professional success. the daily training load of student circus artists is often associated with maximum physical and psychological stress with injuries posing a threat to a potential professional career. the purpose of this study is the differentiated analysis and evaluation of work accidents...

The results of mouse protection tests with 136 human sera and a strain of human influenza virus are described. After the 1st year of life, the sera of approximately half the individuals tested contained sufficient antibody to furnish complete protection to mice. A much higher percentage of the sera obtained from individuals recently convalescent from influenza exerted a completely protective ef...