Volume 24, Issue 4 (Winter 2024)
jrehab 2024, 24(4): 586-601 |
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Razi Sangtabi N, Khalkhali Zavieh M, Khademi Kalantari K, Ghandali E, Akbarzadeh Baghban A. Studying the Effect of Cross-education on the Quadriceps Atherogenic Muscle Inhibition in Women With Unilateral Knee Osteoarthritis. jrehab 2024; 24 (4) :586-601
URL: http://rehabilitationj.uswr.ac.ir/article-1-3257-en.html
URL: http://rehabilitationj.uswr.ac.ir/article-1-3257-en.html
Nastaran Razi Sangtabi1 
, Minoo Khalkhali Zavieh * 2, Khosro Khademi Kalantari3 , Elham Ghandali3 , Alireza Akbarzadeh Baghban4
, Minoo Khalkhali Zavieh * 2, Khosro Khademi Kalantari3 , Elham Ghandali3 , Alireza Akbarzadeh Baghban4
1- Department of Physiotherapy, School of Rehabilitation, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
2- Physiotherapy Research Center, School of Rehabilitation, Shahid Beheshti University of Medical Sciences, Tehran, Iran. ,minoo_kh@yahoo.com
3- Physiotherapy Research Center, School of Rehabilitation, Shahid Beheshti University of Medical Sciences, Tehran, Iran., Department of Physiotherapy, Faculty of Rehabilitation, Shahid Beheshti University of Medical Sciences, Tehran, Iran
4- Department of Biostatistics, Proteomics Research Center, School of Allied Medical Sciences, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
2- Physiotherapy Research Center, School of Rehabilitation, Shahid Beheshti University of Medical Sciences, Tehran, Iran. ,
3- Physiotherapy Research Center, School of Rehabilitation, Shahid Beheshti University of Medical Sciences, Tehran, Iran., Department of Physiotherapy, Faculty of Rehabilitation, Shahid Beheshti University of Medical Sciences, Tehran, Iran
4- Department of Biostatistics, Proteomics Research Center, School of Allied Medical Sciences, Shahid Beheshti University of Medical Sciences, Tehran, Iran.
Abstract: (4840 Views)
Objective Patients with knee osteoarthritis (KO) commonly show quadriceps muscle weakness. One of the important reasons for this weakness is arthrogenic muscle inhibition (AMI), a process in which neural inhibition causes the failure of quadriceps activation. The present study aims to evaluate the effect of cross-education on the AMI and the maximum extensor force of quadriceps in women with unilateral KO.
Materials & Methods In this study, 21 women with unilateral KO (grade 2) participated. The AMI and the maximum extensor force of the quadriceps in the affected knee were measured before, immediately after, and 15 minutes after cross-education. The cross-education included isometric training of the contralateral quadriceps in 5 sets of 8 repetitions in one session. For measuring the AMI and maximum extensor force of the quadriceps, a burst of electrical stimulation was superimposed on the maximal voluntary contractions in 6 seconds.
Results Immediately after one session of cross-education, the AMI of the affected knee significantly decreased and the maximum extensor force of quadriceps significantly increased compared to the pre-test phase (P=0.001). Fifteen minutes after cross-education, AMI significantly increased compared to the post-test phase (P=0.018), but was still lower than that in the pre-test phase (P=0.001)
Conclusion One session of cross-education can reduce AMI and increase maximum extensor force of quadriceps in women with KO, and this effect remains for at least 15 minutes.
Materials & Methods In this study, 21 women with unilateral KO (grade 2) participated. The AMI and the maximum extensor force of the quadriceps in the affected knee were measured before, immediately after, and 15 minutes after cross-education. The cross-education included isometric training of the contralateral quadriceps in 5 sets of 8 repetitions in one session. For measuring the AMI and maximum extensor force of the quadriceps, a burst of electrical stimulation was superimposed on the maximal voluntary contractions in 6 seconds.
Results Immediately after one session of cross-education, the AMI of the affected knee significantly decreased and the maximum extensor force of quadriceps significantly increased compared to the pre-test phase (P=0.001). Fifteen minutes after cross-education, AMI significantly increased compared to the post-test phase (P=0.018), but was still lower than that in the pre-test phase (P=0.001)
Conclusion One session of cross-education can reduce AMI and increase maximum extensor force of quadriceps in women with KO, and this effect remains for at least 15 minutes.
Type of Study: Original |
Subject:
Physical Therapy
Received: 7/02/2023 | Accepted: 25/07/2023 | Published: 1/01/2024
Received: 7/02/2023 | Accepted: 25/07/2023 | Published: 1/01/2024
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This is an open access article distributed under the terms of the Creative Commons Attribution License (CC-By-NC), which permits use, distribution, and reproduction in any medium, provided the original work is properly cited and is not used for commercial purposes.
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