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:: Volume 19, Issue 4 (Winter 2018) ::
2018, 19(4): 22-29 Back to browse issues page
Assessment of postural control in various knee alignments
M Yahyaei , A.A Norasteh , A Shamsi
MSc of Sport Injury and Corrective Exercise Department of Sport Injury and Corrective Exercise, Faculty of Physical Education Sport Sciences, University of Guilan, Rasht, Iran , myahyaei777@yahoo.com
Abstract:   (621 Views)

Background: Nowadays, many people participate in sport activities which may lead to the sport-related injuries. Postural control has an important role in injury prevention and athletic performance. The Aim of current study was to assess the balance stability among subjects with different knee alignments under jump and land on their dominant foot.
Materials and methods: Totally, 33 healthy athletically-active females were assigned into three groups based on their knee alignment [normal knee (n=16), genu varus (n=10), genu valgus (n=7)]. To evaluate the alignment of the knee joints, the frontal plane knee angle was measured with a universal goniometer. The dynamic postural stability index was evaluated with two dynamic tasks (anterior-posterior and medial-lateral jumps) on the force plate. An independent sample t-test was to examine the differences of mean values of dynamic postural stability index between genu varus and genu valgus groups with their control groups in two jump tasks.
Results: No significant difference was seen between groups in anterior-posterior jumps. Also, significantly higher dynamic postural index was found in the genu varus group compared to its control group in medial – lateral jump tasks (p 0.05).
Conclusion: The results showed that genu varus may decrease the dynamic balance. It seems that athletes with genu varus may benefit from some programs to increase their balance during dynamic activity like medial-lateral jumps.

 

Keywords: Postural balance, Knee, Athletes
Full-Text [PDF 797 kb]   (162 Downloads)    
Type of Study: Research | Subject: General
Received: 2017/05/1 | Accepted: 2018/02/17 | Published: 2018/02/17
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Yahyaei M, Norasteh A, Shamsi A. Assessment of postural control in various knee alignments. EBNESINA- Journal of Medical. 2018; 19 (4) :22-29
URL: http://ebnesina.ajaums.ac.ir/article-1-532-en.html


Volume 19, Issue 4 (Winter 2018) Back to browse issues page
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