چهارشنبه 7 آذر 1403
دوره 4، شماره 1 - ( Spring 2014 -- 1393 )
جلد 4 شماره 1 صفحات 46-39 |
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Saki F, Rajabi R, Alizadeh M H, Tabatabaei F. Relationship between Hip and Knee Strength and Knee Valgus Angle during Drop Jump in Elite Female Athletes. PTJ 2014; 4 (1) :39-46
URL: http://ptj.uswr.ac.ir/article-1-137-fa.html
URL: http://ptj.uswr.ac.ir/article-1-137-fa.html
ساکی فرزانه، رجبی رضا، علیزاده محمدحسین، طباطبایی فرهاد. Relationship between Hip and Knee Strength and Knee Valgus Angle during Drop Jump in Elite Female Athletes. فصلنامه فیزیک درمانی. 1393; 4 (1) :39-46
فرزانه ساکی* 
1، رضا رجبی1 ، محمدحسین علیزاده1 ، فرهاد طباطبایی2
1، رضا رجبی1 ، محمدحسین علیزاده1 ، فرهاد طباطبایی2
1- دانشگاه تهران
2- دانشگاه علوم بهزیستی و توانبخشی
2- دانشگاه علوم بهزیستی و توانبخشی
چکیده: (7196 مشاهده)
Purpose: The purpose of this study was to investigate the relationship between hip and knee strength with knee valgus angle during drop jump in elite female athletes.
Methods: Forty female athletes (mean ± SD age, 21.5 ± 1.99 years height, 169.08 ± 8.25 cm body mass, 61.05 ± 10.06 kg) participated in this study. Isometric hip and knee muscles strength were evaluated using standard clinical procedures and a handheld dynamometer. Knee valgus angle was assessed using a 6-camera motion analysis system during a drop jump task. Pearson correlation analyses were performed to determine the relationship between hip and knee muscles strength and knee valgus angle at initial contact (P≤0.05).
Results: Hip abductor strength and knee flexor-extensor ratio were found to be negatively correlated with knee valgus angle (r = –0.229, P = 0.04 and r = –0.446, P = 0.002, respectively).
Conclusion: No relationship between measure of hip external rotation strength and knee valgus angle was observed (P = 0.39). Strength training of the hip and knee musculature may still need to be addressed in prevention programs, but it also should be combined with teaching proper
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