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:: Volume 19, Issue 11 (11-2017) ::
JBUMS 2017, 19(11): 7-13 Back to browse issues page
Comparing the Onset of Pre-Activity of Leg Muscles between Athletes with Functional Ankle Instability and Healthy Athletes During Landing from a Jump
H Samadi , R Rajabi
. Assistant Professor Shahid Rajaei Teacher Training University , hadi.samadi@srttu.edu
Abstract:   (1598 Views)

BACKGROUND AND OBJECTIVE: Functional ankle instability (FAI) is one of the most commonly debilitating complications of acute ankle sprain, which often results in the athlete staying away from exercise for a while. Disorder in the mechanism of feedforward neuromuscular control can be one of the main reasons for this issue. Musculoskeletal pre-activity during landing is an important indicator of this kind of control. The aim of this study was to compare the sequence of pre-activity of leg muscles between athletes with functional ankle instability and healthy athletes during landing from a jump.
METHODS: This cross-sectional study was conducted among 2 groups of athletes including 12 athletes with functional ankle instability and 12 athletes with healthy athletes. The onset of pre-activity of fibularis longus, tibialis anterior and soleus muscles, was recorded and compared using the surface electromyography during landing from a jump.
FINDINGS: The onset of pre-activity of fibularis longus, tibialis anterior and soleus muscles in athletes with functional ankle instability (163.44±24.92, 140.75±13.54 and 169.67±41.13 milliseconds, respectively) was slower than and healthy athletes (242.75±34.15, 208.71±26.44 and 247.11±26.37 milliseconds, respectively) during landing from a jump (p<0.01).
CONCLUSION: Results of the present study indicated that the onset of pre-activity of fibularis longus, tibialis anterior and soleus muscles in athletes with functional ankle instability was slower than healthy athletes during landing from a jump.

 

Keywords: Ankle Injury, Joint Instability, Surface Electromyography
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Type of Study: Interventional | Subject: T
Received: 2017/04/29 | Accepted: 2017/10/24 | Published: 2017/11/12
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Samadi H, Rajabi R. Comparing the Onset of Pre-Activity of Leg Muscles between Athletes with Functional Ankle Instability and Healthy Athletes During Landing from a Jump . JBUMS. 2017; 19 (11) :7-13
URL: http://jbums.org/article-1-6762-en.html


Volume 19, Issue 11 (11-2017) Back to browse issues page
مجله علمی دانشگاه علوم پزشکی بابل Journal of Babol University of Medical Sciences

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