| Abstract [eng] |
In the work the theoretical analysis of the relationship between visual impairment and psychomotor development peculiarities and muscle force balance effect on movement management is performed. Hypothesis: muscle isometric power and balance of separate muscle group are not dependent on sight level. The hypothesis is set basing upon the research data and the statement that differently from seeing people, people with visual impairments better employ proprioception, hearing, space sensations in this way compensating the lack of seeing sensation in managing movements in static situations. Testing method was used for the research aiming to evaluate visual impairment effect on isometric power balance of separate muscle groups in adults. Statistical (descriptive of frequencies, averages, x2 test) data analysis was performed. 15 persons with acquired medium (severe weak-eyedness) impairment degree and 23 persons without sight disorders participated in the research. In the empirical part separate muscle group isometric power and balance indices of healthy adults and adults with visual impairments are analysed. The most important conclusions of empirical research: 1. After having evaluated separate muscle group isometric power balance of sighted and partially sighted persons, it became clear that at an average 44.1 per cent of the respondents feature extremely poor muscle power balance from all the subjects. The largest muscle power balance disorder was observed measuring waist extensor and flexor muscle power balance. Difference of measurement between the different research groups and separate muscle group isometric power balance is statistically insignificant. 2. Difference of measurement between sighted and partially sighted persons separate muscle group isometric power is statistically insignificant. 3. After having taken into consideration the relationship between existing and recommended separate muscle power group isometric power, worse waist extensor muscle isometric power measurement results were received with the partially sighted persons. Though the differences in the measurements are not statistically significant, relationship between the variables is weak. Differences in other muscle group measurements are not statistically significant. Relationship between the measured variables is strong and very strong (p<0.01; p<0.05). So one cannot state that cause of separate muscle group isometric power balance disorders is insufficient isometric muscle power. 4. Hypothesis that muscle isometric power and power balance of separate muscle group are not dependent on sight level was confirmed. |
