Effects of FIFA 11+ warm-up program on kinematics and proprioception in adolescent male and female soccer players; a parallel‑group randomized control trial

Seyedi, Mohammadreza; Zarei, Mostafa; Daneshjoo, Abdolhamid; Rajabi, Reza; Shirzad, Elham; Mozafaripour, Esmaeil; Mohammadpour, Shadan

doi:10.21203/rs.3.rs-2525359/v1

Cited by 3 publications

(3 citation statements)

References 43 publications

(33 reference statements)

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“…In their research, Sidi et al (2023) examined the effect of an eight-week FIFA 11 + training program on knee kinematics and proprioception of male and female soccer players. The results of this research indicated that knee proprioception and valgus angle improved after applying the exercise protocol [24]. The similarity of training research's program this the current research can may be one of the reasons for its alignment.…”

Section: Discussionmentioning

confidence: 54%

The Effect of Eight Weeks of Stop-X and FIFA 11+ Kids Warm-Up on Proprioception and Balance in Football Players with Dynamic Knee Valgus

Eslami

Sahebozamani

Bahiraei

2023

Preprint

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Background This study examined the effect of neuromuscular programs on proprioception and balance in athletes with dynamic knee valgus (DKV) defects. Methods The present investigation involved the purposive and random allocation of 45 male soccer players with dynamic knee valgus (DKV) defects into three distinct groups: a control group (n = 15, age = 11.40 ± .74, weight = 36.24 ± 5.31, height = 140.73 ± 3.34, BMI = 19.93 ± 3.74, sport experience = 2.47 ± .52), Fifa11 + kids group (n = 15, age = 11.07 ± .88, weight = 32.61 ± 3.53, height = 138.40 ± 3.38, BMI = 16.03 ± 2.18, sport experience = 2.39 ± .42), and Stop-X group (n = 15, age = 11.40 ± .74, weight = 37.00 ± 4.10, height = 141.47 ± 4.63, BMI = 17.27 ± 2.22, sport experience = 2.27 ± .46). The leg landing test (ICC = 0.87), knee proprioception (ICC = 0.801), and stork balance (ICC = 0.76) were utilized for both pre- and post-implementation of the training protocol. After identifying the variables, the participants in the training cohort underwent an eight-week intervention consisting of the Stop X and FIFA 11 + Kids programs. The training programs included three sessions per week, each lasting between 20 and 25 minutes, while the control group followed their usual warm-up routine. A Mixed Repeated Measurement analysis was conducted using SPSS 26 software at a significance level of 0.05 to assess the differences between pre-test and post-test results. Results The study's results indicate a significant difference among the three groups in the Mixed Repeated Measurement test (p = 0.01). The Stop-X group showed significant differences compared to the control group (p = 0.01) and the FIFA11 + Kids group (p = 0.04) in terms of AKJPS. Moreover, the knee valgus in both the Stop-X (p = 0.03) and FIFA11 + Kids (p = 0.007) groups significantly differed from the control group. Additionally, there was a significant difference in stork balance before and after the intervention between the intervention groups and the control group. Conclusion The study findings suggest that Stop-X exercises are more effective than FIFA 11 + exercises in improving dynamic knee valgus and balance among young football players with knee valgus abnormalities.

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Section: Discussionmentioning

confidence: 54%

The Effect of Eight Weeks of Stop-X and FIFA 11+ Kids Warm-Up on Proprioception and Balance in Football Players with Dynamic Knee Valgus

Eslami

Sahebozamani

Bahiraei

2023

Preprint

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“…Prior research has found flexibility, proprioception, and kinematics to also be important factors when evaluating lower extremity injuries. [59][60][61] CONCLUSIONS NCAA men's and women's soccer players had different hip strength profiles that fit their gender-specific injury patterns. Men's NCAA soccer players tend to have higher rates of hip and groin strains, and men in our cohort had strength ratios that were deficient in the hip flexors and adductors compared with women.…”

Section: Limitationsmentioning

confidence: 99%

Gender‐specific hip strength disparities correlate with injury patterns in NCAA men's and women's soccer players

Bakal,

Hussain,

Dzierzawski

et al. 2024

PM&R

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BackgroundIn National Collegiate Athletic Association (NCAA) soccer athletes, men have higher rates of hip and groin strains, whereas women have higher rates of knee ligament injuries. Strength imbalances of the hip and thigh, specifically in agonist–antagonist muscles, are known risk factors for these injuries.ObjectiveTo perform hip and thigh strength assessments in NCAA soccer players to evaluate for differences between genders and correlations with gender‐specific injury patterns.DesignWith a handheld dynamometer, weight‐normalized isometric strength of six muscle groups (hip abductors, hip adductors, hip flexors, hip extensors, knee flexors, knee extensors) was calculated in NCAA soccer players. The strength ratio of each agonist–antagonist muscle was also calculated (hip abductors/adductors, hip flexors/extensors, knee extensors/flexors).ParticipantsThirty‐six NCAA soccer players (18 men, 18 women) from a single NCAA Division III institution.InterventionsNot applicable.Main Outcome MeasuresWeight‐normalized strength of six muscle groups and their agonist–antagonist strength ratios were compared between genders using linear mixed‐effects models.ResultsCompared with male players, female players had decreased weight‐normalized strength for hip abduction (0.170 vs. 0.204, p = .012) and hip extension (0.172 vs. 0.211, p = .021). Otherwise, weight‐normalized strength was similar between genders. When comparing agonist–antagonist strength ratios, there was a significant difference between female and male players for hip flexion:extension (1.70 vs. 1.35, p = .008), whereas the hip abduction: adduction ratio did not reach statistical significance (1.45 vs. 1.62, p = .080).ConclusionsNCAA male and female soccer players had different hip strength profiles that fit their injury patterns. Male NCAA soccer players have higher rates of hip and groin strains, and men in the cohort had strength ratios that were deficient in the hip flexors and adductors compared with women. Female NCAA soccer players have higher rates of knee sprains and anterior cruciate ligament tears, and women in the cohort had strength ratios that were deficient in the hip abductors and extensors, which function to stabilize the knee. These strength disparities could be the focus of future gender‐specific soccer injury prevention programs.

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“…Previous studies have shown that the programme can reduce injury risk in football players 5–7. The injury preventive effect of the 11+ programme is likely to be twofold: (1) an acute increase in physical and mental preparedness8 and (2) a long-term effect of the strength and proprioceptive training programme, that is, players becoming stronger over time 9 10…”

Section: Introductionmentioning

confidence: 99%

Prepare to fail or failing to prepare? Acute performance after the 11+ with and without strength exercises

Støvland,

Amundsen,

Paulsen

et al. 2023

BMJ Open Sport Exerc Med

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ObjectivesThe 11+ is an effective injury prevention warm-up programme but is often poorly adopted in practice. One reason for low compliance is the claim that the strength training part of the programme acutely impairs muscle performance before the football activity. This study aims to compare the acute effects of the 11+ with (WU+S) or without (WU-S) the strength training part on performance.MethodsFifteen female junior football players completed WU+S and WU-S on two separate days in randomised order. Maximal voluntary torque in knee extension and flexion (60°/s and 180°/s) and countermovement jump (CMJ) were tested before and after performing the warm-up protocol. Sprint performance and rating of perceived exertion (RPE) were assessed post-warm-up.ResultsWarm-up with strength training reduced peak torque in knee flexion at 180°/s more than WU-S, while no differences were found at 60°/s. Knee extension work was reduced more with WU+S than WU-S at 180°/s, but no differences at 60°/s. Peak torque angle and CMJ were unaffected. Players were slower on 20 and 30 m sprints after WU+S than WU-S. The RPE was higher after WU+S than WU-S, but there were no differences in readiness to train between the two protocols.ConclusionPerforming the 11+ programme as a warm-up routine with the strength training part can impair subsequent knee flexion torque at high velocity and sprint performance in female junior football players compared with performing the 11+ warm-up without the strength part.

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Effects of FIFA 11+ warm-up program on kinematics and proprioception in adolescent male and female soccer players; a parallel‑group randomized control trial

Cited by 3 publications

References 43 publications

The Effect of Eight Weeks of Stop-X and FIFA 11+ Kids Warm-Up on Proprioception and Balance in Football Players with Dynamic Knee Valgus

The Effect of Eight Weeks of Stop-X and FIFA 11+ Kids Warm-Up on Proprioception and Balance in Football Players with Dynamic Knee Valgus

Gender‐specific hip strength disparities correlate with injury patterns in NCAA men's and women's soccer players

Prepare to fail or failing to prepare? Acute performance after the 11+ with and without strength exercises

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