32 Ss performed a steadiness task before and again immediately after 3 min. of exposure to localized vibration. The vibratory forces were transmitted to S's performing hand through a specially constructed gripping handle which vibrated at either 60, 80, or 100 cps at a constant amplitude. Each S was exposed to each vibration frequency and also to a no-vibration control condition. Results showed a significant decrease in steadiness following exposure to vibration but no differential decrement as a function of frequency.
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References
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