Psychophysical studies of repetitive wrist flexion and extension

Article Abstract:

Experiments were conducted on various subjects to study the feasibility of using psychophysical methods to ascertain maximum acceptable forces for various frequencies and types of repetitive wrist motion. For this purpose, four adjustable work stations were constructed to simulate repetitive wrist extension and flexion. The first experiment investigated wrist flexion and extension when the subjects worked for 2 days per week, while the second experiment investigated wrist flexion, when subjects worked for 5 days per week.

Analysis, Overuse injuries, Repetition strain injury, Cumulative trauma disorders

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Ergonomics research - a 40-year odyssey: biography of Stover H. Snook

Article Abstract:

Dr. Stover H. Snook is renowned internationally for his substantial contributions in the field of ergonomics especially psychophysical studies of manual materials handling. A dedicated researcher and ethicist, Stover originally set out to become a minister. Ultimately, however, his background in psychology and interests in engineering and medicine were to play a key role in Stover's decision to pursue a career in ergonomics and human factors research.

Biography, Scientists, Snook, Stover H.

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Maximum acceptable forces of dynamic pushing: comparison of two techniques

Article Abstract:

Criteria used to establish acceptable loads in manual materials handling have been developed from a variety of techniques including psychophysical methodology and ergonomic design. A study was conducted to investigate to confirm that the acceptable forces that had been established on the magnetic particle brake treadmill are the same as when pushing a well designed cart exhibiting high inertia. Results of the study are discussed.

Materials handling

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