Volume 6, Issue 4 (2021)                   IJMPP 2021, 6(4): 613-621 | Back to browse issues page

Ethics code: 0000-0002-2574-823X

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Jalalvand A, Khaksari G R. A Prophylactic Effect of PNF Stretching on Mechanical Parameters of Agility, Squat and Continuous Jumps following Exercise-induced Muscle Damage. IJMPP. 2021; 6 (4) :613-621
URL: http://ijmpp.modares.ac.ir/article-32-54513-en.html
1- Department of Sport Biomechanics, Hamedan Branch, Islamic Azad Univer- sity, Hamedan, Iran. , jalalvand_ali@yahoo.com
2- Department of Sport Management, Hamedan Branch, Islamic Azad Univer- sity, Hamedan, Iran.
Abstract:   (91 Views)
Aim: The purpose of this study was to examine the effects of Proprioceptive Neuromuscular Facilitation (PNF)stretching combined with plyometric training on agility and Squat/Continuous jumps in non-athlete male students. 
Method and Materials: Thirty non-athlete male students were volunteered to participate in this study. Participants were assigned into control (n=21) and intervention (n=21) groups. Dependent variables were recorded at baseline and 48 hours after post-exercise. A Vicon (200 Hz) motion analysis system with six T-Series cameras and two Kistler force plates (1000 HZ) were used to record kinematic and kinetic data. A two-way repeated measure ANOVA (group x EIMD) was used to compare the data between the two groups. 
Findings: The agility in the intervention group was higher than in the plyometric group at 48 hours (P=0.015). Within-group comparison of agility showed a difference in the plyometric & PNF group from pre- to post-training (P=0.003). There were no significant differences in Squat jump test parameters from pre- to post-test between groups (P˃0.05). Also, within-group comparison of continuous jump of variables (maximum vertical displacement and power average) showed no difference in the plyometric & PNF group at 48 hours (P˃0.05). 
Conclusion: A prophylactic effect of PNF stretching on agility and components of continuous jumps following exercise-induced muscle damage was useful. Therefore, PNF can be useful with a preventative method in reducing the symptoms of exercise-induced muscle damage in some functional parameters of the exercise. 
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Article Type: Original Research | Subject: Musculoskeletal Pain Prevention
Received: 2021/08/1 | Accepted: 2021/10/11 | Published: 2021/10/9

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