Dynamic leg volume changes when sitting in a locked and free floating tilt office chair
Article Abstract:
Prolonged sitting can result in the selling of the lower extremities, but repeated walking breaks or dynamic tiltable foot-rests have been found to reduce oedema. A study undertook to establish any beneficial effects from office chairs that incorporate tilt mechanisms facilitating movements of the body from the feet up. Locked seat mechanism do not prevent activation of the vein pump mechanism, but it is indicated that those that allow variation in sea angle per se can stimulate movements of the leg.
Publication Name: Ergonomics
Subject: Business
ISSN: 0014-0139
Year: 2000
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Temporal variation in the luminance level of stimuli displayed on a cathode-ray tube monitor: Effects on performance on a visual vigilance task
Article Abstract:
The possibility that vigilance decrement may be modulated by temporal luminance fluctuations of the monitor screen was investigated. The results suggest that a severe control of the luminance levels of stimuli displayed on a cathode-ray tube (CRT) monitor screen is required to prevent temporal variations in luminance.
Publication Name: Ergonomics
Subject: Business
ISSN: 0014-0139
Year: 2000
User Contributions:
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