THE EFFECT OF STRENGTH EXERCISE ON THICKNESS AND FUNCTION OF QUADRICEPS MUSCLE IN SPORTING AND NON-SPORTING 11-13 YEAR OLD CHILDREN

Lina Levickienė, Daiva Imbrasienė, Monika Pocienė, Vanda Jakubaitienė

Abstract


BACKGROUND: Physical activity is the key factor in a child’s development and strong health. This includes physical, mental and functional body states. In Lithuania, as in the whole world, the physical activity of children is decreasing and this affects their growth and maturation.

OBJECTIVE OF STUDY: To evaluate the effect of exercises on the thickness and function of the quadriceps thigh muscle of sporting and non-sporting children 11-13 years of age.

METHODS: The research was carried out at one of Kaunas basic schools. Two tests were performed for this purpose before and after the study. In the study, a dominant leg measuring test and the thickness, volume and strength measuring of the quadriceps thigh muscle was performed. The received data was processed using SPSS 17.0 and a mathematical calculator in Microsoft Office Excel. The study lasted 5 months and a leg muscle strengthening exercise program was performed for 30 minutes twice a week. The participants performed 30 exercises in total.

RESULTS: The study involved 36 participants, which were grouped in two groups of 18 participants. Assessing the results of a study between a dominant and non-dominant leg, we found that the results of all measurements in both groups were not significantly different (p>0.05). By analyzing the results of sporting and non-sporting groups before as well as after the study and after calculation of Pearson correlation coefficients, a greater link between the measured parameters was determined in the sporting group.

CONCLUSION: The results showed that the studied parameters (thickness, force and volume of the quadriceps thigh muscle) statistically increased significantly after strength exercises.

Keywords


thickness of quadriceps thigh muscle, muscle force, strengthening exercises.

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References


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DOI: http://dx.doi.org/10.12955/cbup.v6.1273

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