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The Effect of Hip and Ankle Joint Abductor/Adductors Fatigue on Dynamic Balance of Soccer Players | ||
| Sport Sciences and Health Research | ||
| مقاله 1، دوره 5، شماره 2، خرداد 2014، صفحه 5-22 اصل مقاله (197.79 K) | ||
| نوع مقاله: Research Paper | ||
| شناسه دیجیتال (DOI): 10.22059/jsmed.2014.36539 | ||
| نویسندگان | ||
| Kamran Johari* 1؛ Seyed Sadredin Shojaedin2 | ||
| 1PhD Student, University of Tehran | ||
| 2Tehran Kharazmi University | ||
| چکیده | ||
| The aim of this study was to examine the effect of hip and ankle joint abductor/adductors fatigue on the dynamic balance of soccer players. 20 male physical education students (Mean±SD, age: 20.24±0.73 yrs, height: 170.27±4.28 cm, weight: 67.38±7.24 kg, and BMI: 23.22±2.02 kg/m²) who participated three times per week in university soccer team program, without any lower extremity injury voluntarily participated in this study. In order to estimate the participants' dynamic balance, Star Excursion Balance Test (SEBT) in eight directions was applied after a short warm-up. Dynamometer Isokinetic Biodex was used to execute fatigue in hip and ankle joint abductor/adductor muscles. Each subject participated in two muscle fatigue sessions. In each session, the fatigue program was randomly assigned to one of the muscle groups of hip abductor/adductor and ankle joint evertor/inventor in repeated contractions until reaching 50% of primary maximum torque with the interval of 72 hours in the same situation as far as possible. Afterwards, SEBT posttest was conducted. Descriptive statistics, dependent t test and variance analysis (with repeated measures) was used for statistical analysis at P<0.05. The isokinetic fatigue of hip and ankle joint abductor/adductors significantly decreased the accessible distance in SEBT test. Furthermore, fatigue program in the hip abductor/adductors decreased the accessible distance more than the ankle joint evertor/inventors. Due to the results, the fatigue of hip abductor/adductors was more effective in the dynamic balance of soccer players than ankle joint evertor/inventors. | ||
| کلیدواژه‌ها | ||
| Ankle Abductors؛ Ankle Adductors؛ Dynamic balance؛ fatigue؛ Hip Abductors؛ Hip Adductors | ||
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