اﺛﺮ اﻟﮕﻮي ﺗﺮﺟﯿﺢ ﺟﺎﻧﺒﯽ ﭼﺸﻢ و اﻧﺪام ﻫﺎ ﺑﺮ دﻗﺖ ﻣﻬﺎرت ﻫﺎي راﻧﺸﯽ ﺑﺎ ﺷﺮاﯾﻂ ﻣﺘﻔﺎوت دﺷﻮاري ﺗﮑﻠﯿﻒ در دﺧﺘﺮان 11 -10 ﺳﺎل

The Effects of patterns of lateral preference on propulsive skills accuracy with different level of task difficulty in girls 10-11

ﻫﺪف ﺑﺮرﺳﯽ اﺛﺮ اﻟﮕﻮي ﺗﺮﺟﯿﺢ ﺟﺎﻧﺒﯽ ﭼﺸﻢ و اﻧﺪامﻫﺎ و دﺷﻮاري ﺗﮑﻠﯿﻒ ﺑﺮ ﻣﻬﺎرتﻫﺎي راﻧﺸﯽ دﺧﺘﺮان ﺑﻮد. روش ﺷﻨﺎﺳﯽ: در اﯾﻦ ﺗﺤﻘﯿﻖ ﻋﻠﯽ-ﻣﻘﺎﯾﺴﻪ اي ﮐﻪ ﺑﻪ ﺻﻮرت ﻫﺪﻓﻤﻨﺪ و در دﺳﺘﺮس اﻧﺠﺎم ﺷﺪ. ﺻﺪ دﺧﺘﺮ ﺑﺎ داﻣﻨﻪ ﺳﻨﯽ 11-10 ﺳﺎل از دو ﺑﺎﺷﮕﺎه ﺷﻬﺮ ﺗﻬﺮان ﺑﺮ اﺳﺎس اﻟﮕﻮي ﺑﺮﺗﺮي ﺟﺎﻧﺒﯽ، در 10 ﮔﺮوه )ﻫﺮ ﮔﺮوهn=10( ﻗﺮار ﮔﺮﻓﺘﻨﺪ )اﻟﮕﻮي ﭼﺸﻢ دﺳﺖ، اﻟﮕﻮي ﭼﺸﻢ ﭘﺎ و دو ﮔﺮوه ﺑﺎ اﻟﮕﻮي ﭼﺸﻢ دﺳﺖ ﭘﺎي ﺧﺎﻟﺺ و ﺗﺮﮐﯿﺒﯽ(. ﺑﺮرﺳﯽ ﻋﻤﻠﮑﺮد اﻟﮕﻮي ﭼﺸﻢ دﺳﺖ از ﻃﺮﯾﻖ آزﻣﻮن دواﯾﺮ ﻫﻢﻣﺮﮐﺰ، دﻗﺖ اﻟﮕﻮي ﭼﺸﻢ ﭘﺎ، آزﻣﻮن ﭘﺎ ﺑﺮﺗﺮي ﻣﻮر- ﮐﺮﯾﺴﺘﯿﻦ و دﻗﺖ اﻟﮕﻮﻫﺎي ﺧﺎﻟﺺ و ﺗﺮﮐﯿﺒﯽ، آزﻣﻮن ﭘﺮﺗﺎب آزاد ﺑﺴﮑﺘﺒﺎل اﻧﺪازه ﮔﯿﺮي ﺷﺪ. ﺑﺮاي اﻟﮕﻮي ﭼﺸﻢ– دﺳﺖ ﻫﺮ ﺷﺮﮐﺖﮐﻨﻨﺪه 10 ﭘﺮﺗﺎب ﺑﺴﮑﺘﺒﺎل از ﻓﺎﺻﻠﻪ ﻧﺰدﯾﮏ )ﺷﺮاﯾﻂ آﺳﺎن( و 10 ﭘﺮﺗﺎب ﺑﺴﮑﺘﺒﺎل از ﻓﺎﺻﻠﻪ دورﺗﺮ )ﺷﺮاﯾﻂ دﺷﻮار(، اﻟﮕﻮﻫﺎي ﻣﺘﻔﺎوت ﭼﺸﻢ– ﭘﺎ، 8 ﭘﺮﺗﺎب در ﺷﺮاﯾﻂ آﺳﺎن و 8 ﭘﺮﺗﺎب در ﺷﺮاﯾﻂ دﺷﻮار و اﻟﮕﻮي ﺧﺎﻟﺺ و ﻧﺎﺧﺎﻟﺺ ﭼﺸﻢ- دﺳﺖ-ﭘﺎ ﻧﯿﺰ 10 ﭘﺮﺗﺎب ﺑﻪ ﺳﻤﺖ ﺣﻠﻘﻪ ﺑﺴﮑﺘﺒﺎل رواﻧﻪ ﮐﺮدﻧﺪ. ﻧﺘﺎﯾﺞ ﺑﺎ اﺳﺘﻔﺎده از ﺗﺤﻠﯿﻞ وارﯾﺎﻧﺲ دو ﻋﺎﻣﻠﯽ در ﺳﻄﺢ P<0/05)( و ﺑﺎ اﺳﺘﻔﺎده از ﻧﺮم اﻓﺰار Spss اﻧﺪازه ﮔﯿﺮي ﺷﺪ. ﯾﺎﻓﺘﻪﻫﺎ: ﺑﯿﻦ ﮔﺮوهﻫﺎي ﻣﺨﺘﻠﻒ در دو ﺷﺮاﯾﻂ آﺳﺎن و دﺷﻮار اﺧﺘﻼف ﻣﻌﻨﺎداري وﺟﻮد ﻧﺪارد. ﻫﻤﭽﻨﯿﻦ اﺧﺘﻼف ﻣﻌﻨﺎداري ﺑﯿﻦ اﻟﮕﻮي ﺧﺎﻟﺺ و ﺗﺮﮐﯿﺒﯽ در ﭘﺮﺗﺎب آزاد ﻧﯿﺰ وﺟﻮد ﻧﺪارد. ﻧﺘﯿﺠﻪﮔﯿﺮي: ﺗﻔﺎوﺗﯽ ﺑﯿﻦ دﻗﺖ ﻣﻬﺎرت ﭘﺮﺗﺎپ ﺑﺎ دﺳﺖ ﯾﺎ ﭘﺎ و در ﺷﺮاﯾﻂ ﺳﺎده ﯾﺎ دﺷﻮار دﺧﺘﺮان رده ﺳﻨﯽ 10-11 ﺳﺎل ﺑﺎ اﻟﮕﻮي ﺑﺮﺗﺮي ﺟﺎﻧﺒﯽ ﻣﺘﻔﺎوت، وﺟﻮد ﻧﺪاﺷﺘﻪ اﺳﺖ.

The aim of this causal-comparative research was to investigate the effects of lateral preference in the limbs and eye and task difficulties on propulsive skills in girls aged 10-11.Methodology: in this research with available sampling method, 100 girls from two sport clubs in Tehran were classified into 10 groups regarding to their preference patterns (4 groups of eye-hand patterns; 2 ipsilateral and 2 contralateral, 4 groups of eye-foot patterns; 2 ipsilateral and 2 contralateral, and 2 groups of pure and compound patterns of eye-hand-foot). Performance was measured using concentric circles test for the eye-hand pattern groups, doing 10 trials of hand throwing from both short (simple) and long distance (difficult). For groups of eye-foot pattern, MORE-CHRISTIAN foot preference test was used, performing 8 trials of shooting from both short (simple) and long distance (difficult). Ten trials of basketball free shots were performed for evaluating the performance of pure and compound patterns groups. Data were analyzed using 2-way ANOVA. Results: Results indicated no difference between children's performance with different preference pattern doing simple and difficult task in throwing skill. Conclusion: It can be concluded that the throwing skills of girls aged 10-11 with different patterns of limbs and eye preference is not affected by their preference pattern in performing simple and even difficult task in throwing.