Volume 13, Issue 4 (1-2023)                   JAP 2023, 13(4): 48-56 | Back to browse issues page

Ethics code: IR.IAU.ET.REC.1401.019

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Daneshjoo A, Mousavi sadati S K. To investigate the angular displacement of the hip and knee joints in girls with patellofemoral pain. JAP 2023; 13 (4) :48-56
URL: http://jap.iums.ac.ir/article-1-5677-en.html
1- Asistant Professor of Biomechanics and Corrective Exercise, Department of Physical Education and Sport Science, East Tehran Branch, Islamic Azad University, Tehran, Iran , phdanesh@yahoo.com
2- Asistant Professor of Motor behaviour, Department of Physical Education and Sport Science, East Tehran Branch, Islamic Azad University, Tehran, Iran
Abstract:   (560 Views)
Introduction: Increased fatigue causes injuries, the purpose of this article was to investigate the angular displacement of the hip and knee joints in girls with patellofemoral syndrome.
Materials and Methods: 
Thirty girls with an average age (age 28.73±1.83, height 168.49±5.59, weight 63.73±12.73) participated in this study in two groups of 15, experimental and control. The jet evaluation test was taken from the subjects' knee and thigh angle, then these tests were repeated with the application of different inclines of the treadmill; that the tests were examined in a neutral position and in a positive and negative slope of 5 degrees. The mean and standard deviation were used to describe the data and the Shapirovik test was used for the normalization of the data to compare and examine the variables in the two research groups using independent t-test and repeated analysis of variance at a significance level of 0.05.
Results: 
Based on independent t-test and repeated analysis of variance, there is no significant difference between different treadmill slopes on the amount of angular displacement of knee and hip joints in girls with patellofemoral syndrome. (p<0.05)
Conclusion: 
 In general, according to the current studies of people with patellofemoral syndrome, running on steep inclines, as well as running on a treadmill and making the incline angle of the treadmill within the limit of minus 5% to plus 5%, does not affect the improvement of this condition, and it is not recommended. And according to the research, girls with patellofemoral syndrome should be placed on the treadmill at an inclined angle to run.
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Type of Study: Original | Subject: Special
Received: 2022.09.1 | Accepted: 2022.10.17 | Published: 2023.01.30

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