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Pubmed for Handhelds

PUBMED FOR HANDHELDS

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  • Title: Decrement in manual arm performance during whole body cooling.
    Author: Giesbrecht GG, Bristow GK.
    Journal: Aviat Space Environ Med; 1992 Dec; 63(12):1077-81. PubMed ID: 1456919.
    Abstract:
    Six subjects performed three manual arm tasks: 1) prior to immersion in 8 degrees C water; 2) soon after immersion to the neck, but prior to any decrease in core temperature; and 3) every 15 min until core temperatures decreased 2-4.5 degrees C. The tasks were speed of flexion and extension of the fingers, handgrip strength and manual dexterity. There was no immediate effect of cold immersion; however, all scores decreased significantly after core temperature decreased 0.5 degrees C. Further decrease in core temperature was associated with a progressive impairment of performance, although at a slower rate than during the first 0.5 degrees C decrease. Flexion and extension of the fingers was affected relatively more than handgrip strength or manual dexterity. Decrement in performance is a result of peripheral cooling on sensorimotor function with a probable additional effect of central cooling on cerebral function.
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