Volume 6, Issue 1 (6-2020)                   J Sport Biomech 2020, 6(1): 2-11 | Back to browse issues page

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Kiani Sheikhabadi A, Mahdavinejad R, Rahnma N. Effect of Eight Weeks of 11+ Training on Functional Movement Screening Test Scores in Female Futsal Players. J Sport Biomech 2020; 6 (1) :2-11
URL: http://biomechanics.iauh.ac.ir/article-1-215-en.html
Effect of Eight Weeks of 11+ Training on Functional Movement Screening Test Scores in Female Futsal Players
Akram Kiani Sheikhabadi * 1, Reza Mahdavinejad2 , Nader Rahnma2
1- Department of Sport Pathology and Corrective Movements, Faculty of Physical Education, Khorasgan Branch, Islamic Azad University, Isfahan, Iran.
2- Department of Sport Pathology and Corrective Movements, Faculty of Sport Science, Isfahan University, Isfahan, Iran.
Keywords: Functional movement screening, 11+ exercises, Futsal, Injury prevention
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1. Introduction

ollowing the encouragement of the general public in a community to increase participation in sports activities, unfortunately, the number of people at risk of injury has increased [1]. One of the important priorities of the society is to have healthy and energetic youth and capable and efficient human resources, which can lead to productivity and reduction of medical expenses and frequent absences from work [2]. Epidemiological studies have shown that one sixth of all injuries observed by physicians occur during sports activities and the rate of injuries has increased following an increase in participation in sports activities [3], where the lower limbs including knee and ankle joints have had the most injuries [4]. Screening is performed to prevent injury as well as to improve implementation strategies [8]. 
Functional Movement Screen (FMS) method includes seven movement tests that have the ability to identify limitations and changes in normal movement patterns. These tests are designed to interact between postural chain mobility and the stability required to perform functional and essential movements [9]. One of the core stability trainings is the 11+ exercise program, which include strength exercises and core stability exercises suitable for muscle strength and dynamic and static balance at three levels, which have recently been considered by FIFA [12]. The aim of this study was to investigate the effect of an 8-week 11+ exercise program on the FMS scores in female futsal players.

2. Methods

This is a quasi-experimental study. Study population consists of all female futsal players in Isfahan, Iran. Of these, 48 were selected using a convenience sampling method and assigned into two groups of exercise and control. First, a demographic form was completed by the subjects, which includes personal information such as height, weight, age, playing history, activity per week, and history of injury or illness. After obtaining written consent, all subjects meeting entry criteria (no history of injury or surgery in the past 6 months) were evaluated by FMS tests before and after intervention. In order to evaluate the scores of FMS, a special kit consisting of a FMS board with 56 inch (calibrated 43 inch) length, 6 inch width, and 2 inch height; graded long rod with a length of 48 inches, two short rods with a length of 25 inches, an elastic band, and data collection forms were used [7]. The FMS tests included: Deep Squat, hurdle step, in-line lunge, active straight-leg raise, trunk stability push-up, quadruped rotary stability, and shoulder mobility. The protocol of 11+ exercise program had three parts according to the guidelines of FIFA Medical Assessment and Research Center.

3. Results

The demographic characteristics of participants are presented in Table 1.



According to the results of independent t-test, the 2 groups of control and exercise were homogeneous (P>0.05). In examining the effect of group on deep squat score, within-group effect (P=0.07; F(1.46)=3.3) and between-group effect (P=0.9; F(1.46)=0.006) were non-significant but the interaction effect was significant (P=0.01; F(1.46)=6.07) (Figure 1).



Regarding the effect of group on hurdle step score, within-group (P=0.03; F(1.46)=4.98) and interaction effects (P=0.03 and F(1.46)= 4.98) were significant but between-group effect (P=0.04; F(1.46)=0.82) was not significant (Figure 1). 
Regarding the effect of group on in-line lunge score, within-group (P=0.62; F(1.46)=0.23) and between-group effects (P=0.84; F(1.46)=0.03) were insignificant, but the interaction effect (P=0.001; F(1.46)=11.61) was significant (Figure 1). Regarding the group effect on the shoulder mobility score, due to the non-significant interaction effect, the null hypothesis was confirmed and the research hypothesis was rejected (Figure 1). Regarding the effect of group on active straight-leg raise score, within-group effect (P=0.02; F(1.46)=5.56) was significant but between-group effect (P=0.70; F(1.46)=0.15) and interaction effect (P=0.16; F(1.46)= 2.003) were not significant (Figure 1). 
Regarding the effect of group on trunk stability push-up score, within-group effect (P=0.005; F(1.46)=8.57) was also significant, and between-group effect (P=0.17; F1.46)=1.88) and interaction effect (P=0.30; F(1.46)= 1.09) were not significant (Figure 1). Regarding the effect of group on rotary stability score, within-group effect (P=0.36; F(1.46)=0.82), between-group effect (P=0.6; F(1.46)=0.28) and interaction effect (P=0.65; F(1.46)= 0.20) were not significant (Figure 1). The between-group differences in FMS scores were the same between pretest and posttest phases (P>0.05).

4. Conclusion

The 11+ exercise program can improve the scores of deep squat, hurdle step, and in-line lunge tests in FMS method in female futsal players, and can affect their overall FMS scores. It can be used as a modality by coaches, corrective exercise specialists, and physical education teachers to reduce and prevent sports injuries in female futsal players. It can identify poor movement patterns and improve performance.

Ethical Considerations

Compliance with ethical guidelines

Prior to study, a written informed consent was signed by all participants. They were free to leave the study at any time and were assured of the confidentiality of their information

Funding

This study was extracted from the MA. thesis of the first author, Department of Sport Pathology and Corrective Movements, Faculty of Physical Education, Khorasgan Branch, Islamic Azad University.

Authors' contributions

Writing final draft of the manuscript, data analysis, data mining: Akram Kiani Sheikhabadi; Data monitoring, resutls correction: Reza Mahdavinejad; Supervision: Nader Rahnma.

Conflicts of interest

The authors declared no conflict of interest.

Acknowledgements

The authors would like to thank the Deputy for Research of Islamic Azad University of Khorasgan Branch in Isfahan and all participants for their valuable cooperation.

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Type of Study: Research | Subject: Special
Received: 2020/03/12 | Accepted: 2020/05/17 | Published: 2020/06/1
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