scholarly journals The Effects of 8 Weeks TRX Exercises and Core Stability in the Stable Level on the Landing Pattern, the Stability of the Core Area and Balance of Girls Football Players

2021 ◽  
Vol 10 (3) ◽  
pp. 546-561
Author(s):  
Zahra Mokhtari Fard ◽  
◽  
Mehdi Sabbagh Langeroudi ◽  

Background and Aims: This study aimed at the effects of 8 weeks TRX exercises and core stability exercises in the stable level on the landing pattern, the stability of the core area, and the balance of girls football players. Methods: Thirty athletes with trunk defects were screened by Tuck Jump test and selected as a statistical sample. Finally, assigned to two groups of 15 subjects at a stable level and varying level training. Both groups participated in pretest and post-test. Both groups training sessions for 8 weeks and three weeks each week on core stability training at both sustained (stable) and unstable (TRX). This study used the core stability practice protocol in the training section at a stable and unstable level. The static and dynamic balance were evaluated by BESS and Y tests, respectively. McGill’s endurance tests also evaluated the endurance of the core region. In addition, landing mechanics were assessed using the Landing Error Score System test. ANCOVA test was used to compare the differences between the research variables by two types of training. The stability of the core body was used in two groups of training (stable and TRX) and a t-test for correlating the changes within the group. Results: The results of the analysis of t-test showed that in the results of the stable training (P≤0.001) and TRX (P≤0.001) effect on score of the error of landing error, LESS, flexion 60 °, Sorensen, Right Plank, static balance and total dynamic balance score. In the post-test, there are significant differences between the two groups in the TRX and stable levels in LESS, Sorensen, static balance in the state stand on two legs on a soft surface and stand in the Tandem on a soft surface (P≤0.05). Conclusion: the results of this study showed that the use of core stability training at a stable and unstable level by helping to improve the landing jump activity, as well as improving muscular balance and endurance, can be eliminated by modifying some of the risk factors associated with an ACL injury to prevent Lower limb non-limiting injury in athletes with trunk defects.

2020 ◽  
Vol 6 (2) ◽  
pp. 122-133
Author(s):  
Majid i Soltani Shirazi ◽  
◽  
Heydar Sadeghi ◽  

Objective: Since direct foot kick is one of the most important strikes in Jeet Kune Do, its effectiveness depends on both the force of the hit and balance control during and after the hit execution, this study undertaken to examine the effect and persistence of eight-week of core stability training on balance and force of a direct foot kick of elite young male Jeet Kune Do (Wushu) athletes. Methods: 24 elite young Jeet Kune Do athletes were randomly assigned to an experimental and a control groups. The experimental group performed the core stability training program for eight consecutive weeks. Static (stork test), dynamic test (tandem test) and force of a direct foot kick of the athletes in both groups were measured in three stages including before, after (eight weeks of core stability training) and a 4-week follow-up detraining period. Results: The results showed that core stability training had a significant and persistent effect on static and dynamic balance. However, the training program had no significant effect on the force production of a direct foot kick after a 4-week of detraining period. Conclusion: It seems that the core stability training program improves the neuromuscular system function by strengthening the muscles of the core area. This in turn prevents the dislocation of the center of gravity outside the base of support and decreases its oscillation (displacement), therefore, as a result of persistence effect of the program, balance ability and direct kicking power improves.


2011 ◽  
Vol 13 (01) ◽  
pp. 105-118 ◽  
Author(s):  
EVAN SHELLSHEAR

This paper investigates core stability of cooperative (TU) games via a fuzzy extension of the totally balanced cover of a cooperative game. The stability of the core of the fuzzy extension of a game, the concave extension, is shown to reflect the core stability of the original game and vice versa. Stability of the core is then shown to be equivalent to the existence of an equilibrium of a certain correspondence.


2021 ◽  
Vol 6 (4) ◽  
pp. 44-55
Author(s):  
Havar Ezadi ◽  
◽  
Narmin Ghanizadeh Hesar ◽  

Objective: The purpose of this study was to investigate the effect of eight weeks of selected exercises in water on pain and balance of nurses with chronic back pain. Methods: This semi-experimental study was carried out on 30 nurses working in Sanandaj city hospitals. Selected exercises in water for eight weeks, three sessions per week, which was carried out progressively and with the practice of central stability exercises on the experimental group. To assess the pain and balance of the patients in the pre and post test tests, both groups used the standard questionnaire of Quebec, FBT test, berg balance test. Independent and dependent t-test was used to analyze the data. The significance level was considered as P<0.05. Results: There was a significant difference between the mean scores of pain and the static and dynamic balance in the experimental and control groups, respectively, with a significant decrease and significant increase in the pain (P=0.001) and static (P=0.001) and dynamic (P=0.001) balance variables in the experimental group. Conclusion: Regarding the effectiveness of selected exercises in water on the pain and balance of nurses with non-specific chronic low back pain, it is recommended to design the training protocols for patients with Special attention should be given to the chronic pain, to the practice of water therapy (and to the importance of taking core stability of the workout in these exercises).


2016 ◽  
Vol 02 (04) ◽  
pp. 217-230
Author(s):  
Kumaran Thanigachalam ◽  
Manikandan Rengasamy ◽  
ArumugamKaveri Vinayagam ◽  
Balamurugan Subramanian ◽  
Arunkumar T.H. ◽  
...  

2021 ◽  
Vol 19 (3) ◽  
pp. 279-288
Author(s):  
Mohammad Hani Mansori ◽  
◽  
Yousef Moghadas Tabrizi ◽  
Kamal Mohammadkhani ◽  
◽  
...  

Objectives: Walking and balance control are determining factors in the independence of the elderly because they are the main components of daily physical activity. This study evaluated the effectiveness of Dynamic Neuromuscular Stability (DNS) training on balance and gait function in the elderly. Methods: This study had a pre-test/post-test design. It was a quasi-experimental study performed on 30 older men aged 60-70 years in Qom Province, Iran, in 2021. The elderly was randomly divided into experimental (n=15) and control (n=15) groups. The Experimental Group (EG) participated in three 45-min sessions of dynamic neuromuscular stability training every week for 6 weeks, and the Control Group (CG) continued their normal daily routine. Berg balance scale (dynamic balance), modified stork stand (static balance), and temporal and spatial gait parameters were used to collect information before and after applying the training protocol. The obtained data were analyzed using ANCOVA statistical method and the paired t test. Results: There were significant differences between pre-test and post-test in EG regarding the variables of dynamic balance, static balance (P=0.001), and gait function, but in the CG, no significant difference was observed for these variables (P>0.05). Also, there was a significant difference between the mean scores obtained in the balance and gait tests between the two groups (P<0.05), and EG performed better in the post-test. Discussion: DNS training due to the great variety of movement in different parts of the body and the effect on improving strength, flexibility, range of motion, and physical fitness can also improve balance and gait function in the elderly. According to the present study results, one of the best ways to reduce the costs and physical, psychological, and social problems caused by aging is to use DNS training for the elderly.


2020 ◽  
Vol 74 (1) ◽  
pp. 43-50
Author(s):  
Rafał Szafraniec ◽  
Janusz Bartkowski ◽  
Adam Kawczyński

Abstract Our primary objective was to investigate the effects of short-term core stability training on dynamic balance and trunk muscle endurance in novice weightlifters learning the technique of the Olympic lifts. Our secondary objective was to compare dynamic balance and trunk muscle endurance between novice and experienced weightlifters. Thirty novice (NOV) and five experienced (EXP) weightlifters participated in the study. Mediolateral (ML) and anteroposterior (AP) dynamic balance and trunk muscle endurance testing were performed a week before (Pre) and after (Post) a 4-week core stability training program. In the NOV group, there was an improvement of both dynamic balance (ML and AP, p = 0.0002) and trunk muscle endurance (p = 0.0002). In the EXP group, there was no significant difference between Pre and Post testing conditions, except an increase in muscle endurance in the right-side plank (p = 0.0486). Analysis of the results showed that experienced lifters were characterized by more effective dynamic balance and greater core muscle endurance than their novice peers, not only before the training program but after its completion as well. In conclusion, the applied short-term core stability training improved dynamic balance and trunk muscle endurance in novice weightlifters learning the Olympic lifts. Such an exercise program can be incorporated into a training regime of novice weightlifters to prepare them for technically difficult tasks of the Olympic snatch and clean and jerk.


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