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Titolo:
IMPULSE VARIABILITY IN ISOMETRIC TASKS
Autore:
CARLTON LG; KIM KH; LIU YT; NEWELL KM;
Indirizzi:
UNIV ILLINOIS,DEPT KINESIOL,LOUISE FREER HALL,906 S GOODWIN URBANA IL61801
Titolo Testata:
Journal of motor behavior
fascicolo: 1, volume: 25, anno: 1993,
pagine: 33 - 43
SICI:
0022-2895(1993)25:1<33:IVIIT>2.0.ZU;2-S
Fonte:
ISI
Lingua:
ENG
Soggetto:
FORCE VARIABILITY; MOVEMENT; ACCURACY; MODELS; SPEED; ERROR;
Keywords:
IMPULSE; ISOMETRIC; SPEED ACCURACY TRADE-OFF; VARIABILITY;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Social Sciences Citation Index
Citazioni:
17
Recensione:
Indirizzi per estratti:
Citazione:
L.G. Carlton et al., "IMPULSE VARIABILITY IN ISOMETRIC TASKS", Journal of motor behavior, 25(1), 1993, pp. 33-43

Abstract

An isometric elbow flexion task was used in two experiments that examined the influence of force-production characteristics on impulse variability. Impulse size was held constant while peak force, time to peakforce, rate of force, and, hence, the shape of the criterion force-time curve were manipulated. The results indicated that changes in the force-time curve under conditions of equal impulse bring about systematic changes in impulse variability, and this effect is more pronounced for larger impulse conditions. The inability of existing functions to account for the peak force variability findings led to the generation of a new predicted force variability function. The proposed function accounts for changes in the standard deviation and coefficient of variation of peak force, impulse, and rate of force over a range of force-time conditions.

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Documento generato il 06/04/20 alle ore 07:49:53