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Effects of movement velocity on some efficiency parameters (CROSBI ID 474916)

Prilog sa skupa u zborniku | sažetak izlaganja sa skupa

Reić, Ina ; Manenica, Ilija Effects of movement velocity on some efficiency parameters // XII Dani psihologije u Zadru, Sažetci radova / Ilija Manenica (ur.). Zadar: Odjel za psihologiju Sveučilišta u Zadru, 2000. str. 63-x

Podaci o odgovornosti

Reić, Ina ; Manenica, Ilija

hrvatski

Effects of movement velocity on some efficiency parameters

The aim of this study was to find out the effects of movement velocity on decision making time and precision of lower arm movements. Some previous studies showed that the movement velocity affects decision time for the movement execution. Nineteen trained subjects took part in a series of experiments which included lower arm horizontal movements of different amplitudes (20, 40, 60 and 80 degrees), executed at different speeds (suboptimal, optimal, supraoptimal) without visual control. Different colour light signals were used as the indication of the movement amplitude which the subjects had to execute. The movements (tasks) were performed on a standard kinaesthesiometer for horizontal movements with built-in micro-switches, connected to electronic chronometers, which were started at the same time as the light signal appeared. The time between the onset of the signal and start of the movement, measured by the first chronometer, was taken as decision making time. The time between the signal and the end of the movement registred by the second chronometer, was taken as the task (movement) time. The task time and decision time, as well as the deviation from the target were registered after each trial in milliseconds and degrees, respectively. Analysis of the results showed significant effects of movement velocity and the movement amplitude on total task time regardless of the level of training. The decision time showed no effects of the level of training or amplitudes which is in the agreement with the results of some previous studies. The velocity of movements, however, had significant effects on decision time which increased as the movement velocity decreased. As could be expected, movement precision was significantly affected by the level of training, as well as the movement velocity. The smallest deviation from the target was obtained for the optimal speed movements, although one could expect the smallest error to occur at suboptimal speed.

movements; movement velocity; movement precision

nije evidentirano

engleski

Effects of movement velocity on some efficiency parameters

nije evidentirano

movements; movement velocity; movement precision

nije evidentirano

Podaci o prilogu

63-x.

2000.

objavljeno

Podaci o matičnoj publikaciji

XII Dani psihologije u Zadru, Sažetci radova

Ilija Manenica

Zadar: Odjel za psihologiju Sveučilišta u Zadru

Podaci o skupu

XII. dani psihologije u Zadru

ostalo

25.05.2000-27.05.2000

Zadar, Hrvatska

Povezanost rada

Psihologija