Stabilometry to rate body balancing and movement coordination qualities in football
ˑ:
Dr. Med., Professor L.V. Kapilevich1, 2
Master student Y.A. Gaevaya1
M.O. Shelhorn1
PhD, Associate Professor A.A. Ilyin3
1National Research Tomsk State University, Tomsk
2National Research Tomsk Polytechnic University, Tomsk
3Tomsk University of Control Systems and Radioelectronics, Tomsk
Keywords: students, winter football, stabilometric tests, movement coordination, body balancing skills.
Background. The Tomsk Oblast and a few neighboring regions have reported growth of the winter football popularity for the last few years in many communities including the academic ones. The growing popularity of the sport discipline opens up new progress opportunities for the academic group physical education and sport (services in Siberia [6]. Winter football may be easily integrated in the traditional academic physical education and sport theory and practice although it sets some special requirements to the footballers’ physical qualities and skills [3, 5, 7]. The sport-specific skills on a slippery surface require perfect postural control qualities [1, 2, 4, 8].
Objective of the study was to rate balancing and movement coordination qualities in academic winter footballers.
Methods and structure of the study. Sampled for the study were the 21-25 year-old 3-4-year male students split up into a Reference Group (RG, n=15) specializing in traditional football and Experimental Group (EG, n=15) - in winter football. The test data were obtained using the Stabilan-01-2 computerized stabilometer system with an analyzer and feedback capacity. The sample was tested by the Romberg test, stability limit test, optokinetic and sensory vestibular control tests, plus a ball kick test on slippery and traditional surfaces; with the test data processed and analyzed by a standard statistical data processing Statistica 10.0 toolkit.
Results and discussion. The EG was tested 7.6% higher on the Romberg test scale than the RG; and 0.656% and 1.1% higher on the closed- and open-eyes stability test scales, respectively. Furthermore the EG statokinesiograms in the optokinetic tests were 26.3% higher in three phases versus the RG; albeit the RG was tested 28.5mm higher in the horizontal movement phase test. The stability limit tests found the lean-forward balancing skills 3.9% higher in the RG although the back and side balancing skills were tested 1.2% and 3.9% higher in the EG, respectively. The EG was also tested 8.3 mm/s higher than the RG in the total pressure center movement test. On the whole, the test data gave reasons to conclude that the EG functional progress was higher than in the RG.
The ball kick test was run as follows: the ball was placed in the center of the sensor platform; the subject stepped on the platform with the support leg keeping the lead leg outside the sensor zone; kicked the ball with the lead leg; and put it on the platform. Given in Table 1 hereunder are the test data. The RG was tested with the higher movement coordination and body balancing qualities in the kicking sequences on the traditional surface; whilst the EG demonstrated better movement coordination and body balancing skills on a slippery surface.
Conclusion. The test data and analyses demonstrate that the winter football practices facilitate progress in the specific movement coordination and body balancing skills with the relevant motor stereotypes on a slippery surface – that are largely different from the traditional kicking skills; and this is the reason why the winter football groups need special kicking accuracy excelling models for success.
References
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Author’ contact: kapil@yandex.ru
Table 1. Ball kicking and balancing skills test data yielded by the stabilogram test system, `X ±se
Test rates |
Traditional surface |
Slippery surface |
||
EG |
RG |
EG |
RG |
|
Sensor zone square, mm2 |
5317,2±418,2
|
2846,9±217,8 р1 = 0,0018
|
15049,8±712,9 р2 = 0,00027 |
13178,8±519,7 р1 = 0,023 р2 = 0,00021 |
Ellipse length, mm |
78,7±5,7
|
45,7±4,9 р1 = 0,0052
|
300,4±15,8 р2 = 0,00073 |
403,5±17,3 р1 = 0,012 р2 = 0,00052 |
Statokinesiogram length to square ratio, 1/mm |
0,064±0,012
|
0,250±0,072 р1 = 0,0034
|
0,033±0,009 р2 = 0,009 |
0,046±0,007 р1 = 0,027 р2 = 0,00017 |
Stability rate, % |
60,6±5,3
|
78,4±3,8 р1 = 0,032
|
26,6±2,7 р2 = 0,0057 |
32,2±3,5 р1 = 0,024 р2 = 0,0044 |
Ellipse width, mm |
147,8±11,2
|
112,9±9,7 р1 = 0,036
|
341,4±21,5 р2 = 0,0017 |
439,7±32,9 р1 = 0,041 р2 = 0,0011 |
Corresponding author: kapil@yandex.ru
Abstract
The Tomsk Oblast and a few neighboring regions have reported growth of the winter football popularity for the last few years in many communities including the academic ones. The growing popularity of the sport discipline opens up new progress opportunities for the academic group physical education and sport services in Siberia. Winter football may be easily integrated in the traditional physical education and sport theory and practice although it sets some special requirements to the footballers’ physical qualities and skills. The sport-specific skills on a slippery surface require the perfect postural control qualities. The study was designed to apply stabilometric tests to rate the balancing and coordination qualities in academic winter football players. Sampled for the study were the 21-25 year-old 3-4-year male students split up into Reference Group (RG, n=15) specialized in traditional football and Experimental Group (EG, n=15) specialized in winter football. The test data were obtained using Stabilan-01-2 computerized stabilometric system with an analyzer and feedback capacity. The sample was tested by the Romberg test, stability limit test, optokinetic and sensory vestibular control tests, plus a ball kick test.
The stabilograms tested the RG with the higher movement coordination and body balancing skills in kicks on the traditional surface; whilst the EG demonstrated better movement coordination and body balancing skills on a slippery surface. The test data and analyses demonstrate that the winter football practices facilitate progress in the specific movement coordination and body balancing skills with the relevant motor stereotypes on the slippery surface – that are largely different from the traditional kicking skills.