Acute effect of stretching modalities on global coordination and kicking accuracy in 12–13 year-old soccer players

Frikha, Mohamed; Derbel, Mohammad S.; Chaâri, Nesrine; Gharbi, A.; Chamari, Karim

doi:10.1016/j.humov.2017.03.008

Cited by 12 publications

(10 citation statements)

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“…Participants were instructed to perform the DS stretches. The DS exercises, adopted from previous research [14,30], involved active and slow movements, without bouncing of antagonist muscles and performed on alternate legs for 30 s, at a rate of approximately 1 stretch cycle every 2 s. The DS consisted of stretches that solicit the major muscle groups involved in maximal sprint: the gastrocnemius, hamstrings, quadriceps, hip flexors and the adductors. All the DS exercises were performed while walking over a distance of 15 m and carried out~10-12 time for each exercise.…”

Section: Tympanic (T Tym ) Skin (Mst) and Body (Mbt) Temperaturesmentioning

confidence: 99%

“…The non-temperature-related mechanisms involve an increased blood flow to muscles, an elevation of baseline oxygen consumption, post-activation potentiation, psychological effects and increased preparedness [7]. During the last decade, a large number of researches dealing with WU procedures were conducted [14][15][16]. However, these findings are still inconclusive and did not give firm conclusions, whether this pre-conditioning training part is practiced in different time-of-day [16], with or without rest interval following the WU [16,17], among different fitness levels participants [18], or practiced in Ramadan fasting periods [19].…”

Section: Introductionmentioning

confidence: 99%

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Warm-up durations in a hot-dry climate affect thermoregulation, mean power-output and fatigue, but not peak power in specific soccer repeated-sprint ability

Frikha

Chaâri²,

Said

et al. 2020

BMC Sports Sci Med Rehabil

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Background This study addressed the lack of data on the effect of warm-up (WU) duration in hot-dry climate (~ 30 °C; ~ 18% RH), on thermoregulation, muscular power-output, and fatigue after specific soccer repeated-sprint test (RSA). Methods Eleven amateur soccer players participated in a cross-over randomized study and they underwent the Bangsbo repeated-sprint test, after three WU durations (i.e. WU10, WU15 and WU20 min) at 70% of MAV, and on different days. Peak power (PP), mean power (MP) and the fatigue index (FI) were recorded and analyzed. Likewise, heart rate (HR), tympanic temperature (Ttym), mean body temperature (MBT) and rating of perceived exertion (RPE) were recorded during each session. Results The repeated measure ANOVA showed that MP improved after WU15 in comparison to WU10 and WU20 (p = 0.04 and p = 0.001; respectively). Nonetheless, no significant effect on PP was recorded after all WU durations. FI during RSA increased after WU20 in comparison to WU15 and WU10 (p < 0.001 and p = 0.003; respectively). Higher RPE values (p < 0.001) were recorded after WU15 and WU20 in comparison to WU10 duration. The two-way ANOVA showed higher ΔTtym and ΔMBT values after WU15 and WU20 compared to WU10 (p = 0.039 and p < 0.001for Ttym; p = 0.005 and p < 0.001 for MBT, respectively). Conclusions The WU15 at 70% of MAV better assists mean power-output during soccer RSA in hot-dry (~ 30 °C; 18% RH) climate, but not peak power. Reducing WU duration up to 10 min seems to be insufficient to induce beneficial physiological changes necessary for optimizing repeated-sprint performance, while its extension up to 20 min remains detrimental for muscular power and induces higher fatigue.

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Section: Tympanic (T Tym ) Skin (Mst) and Body (Mbt) Temperaturesmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Warm-up durations in a hot-dry climate affect thermoregulation, mean power-output and fatigue, but not peak power in specific soccer repeated-sprint ability

Frikha

Chaâri²,

Said

et al. 2020

BMC Sports Sci Med Rehabil

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“…Indeed, previous studies addressing instep kicks have proven that, by prioritizing accuracy, the ball kicking velocity can be significantly reduced [19]. Moreover, in children, Frikha et al [20] found that the instep kicking accuracy and missed kicks were significantly decreased in time-pressured vs. free conditions. In addition, the perception of difficulty was higher in time-pressured vs. free conditions [20].…”

Section: Introductionmentioning

confidence: 98%

“…Moreover, in children, Frikha et al [20] found that the instep kicking accuracy and missed kicks were significantly decreased in time-pressured vs. free conditions. In addition, the perception of difficulty was higher in time-pressured vs. free conditions [20].…”

Section: Introductionmentioning

confidence: 99%

The Effects of Exercise Difficulty and Time-of-Day on the Perception of the Task and Soccer Performance in Child Soccer Players

et al. 2021

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In soccer, accurate kicking skills are important determinants of successful performance. A successful kick must meet several criteria, including speed, accuracy, and timing. In fact, players who are able to kick the ball more accurately under various difficulties, such as time pressure, space constraints, the opponent’s pressure, and the distance between the kicking point and the goal, have a clear advantage during soccer games. The aim of the present study was to investigate the effect of exercise difficulty and time-of-day on perceived task difficulty and kicking performance. Accordingly, 32 boys (age: 11 ± 0.7 years; height: 1.45 ± 0.07 m; body-mass: 38.9 ± 7.8 kg) performed shooting accuracy tests under two difficulty levels (distance (long-distance (LD) vs. short-distance (SD)) and time pressure (Without-time-pressure (WTP) vs. With-time-pressure (TP)) at 08:00 h and 17:00 h. Absolute-error, variable-error, and constant-error were evaluated during the kicking tasks, in addition to ball velocity and shooting quality. Moreover, rating-of-perceived-exertion score (RPE), feeling-scale (FS), and perceived difficulty were completed immediately at the end of each test. The results showed that shooting quality was not affected by the time-of-day, but it was better in WTP vs. TP (p < 0.05), and in SD vs. LD (p < 0.05), respectively. Higher values for FS and lower values for RPE were observed in the morning compared to the afternoon (p < 0.05) and in WTP vs. TP (p < 0.05). In conclusion, specific soccer skills of boys were not time-of-day dependent, but they may be associated with time pressure and task difficulty.

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“…El calentamiento como parte inicial de una sesión de ejercicio físico, es una estrategia habitualmente utilizada con el objetivo de generar efectos agudos en la optimización del desempeño motor (Fradkin et al, 2010;Kar & Banerjee, 2013), caracterizadas por un conjunto de actividades organizadas en relación a los objetivos principales de la sesión (McGowan et al, 2015). En niños y adolescentes ha mostrado tener efectos agudos sobre el rendimiento en actividades lineales como velocidad, salto, fuerza o ejercicios de larga duración (Gómez-Álvarez et al, 2020;Iacono et al, 2019), así como también en el desempeño en actividades de características no lineales como deportes, compuestos de cambios de velocidad y de dirección (Chatzopoulos et al, 2014) y habilidades específicas de deportes (Frikha et al, 2017). Adicionalmente existe evidencia que el calentamiento podría colaborar a aumentar el control motor y el aprendizaje motor (Ajemian et al, 2010;Vleugels et al, 2020).…”

Section: Introductionunclassified

Efectos agudos de distintas estrategias de calentamiento sobre el rendimiento físico y las habilidades motrices en escolares (Acute effects of different warm-up strategies on physical performance and motor skills in schoolchildren)

Gómez-Álvarez

Schweppe-Villa

Parra-Gatica³

et al. 2021

Retos

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El objetivo de esta investigación fue valorar los efectos de distintos tipos de calentamientos aplicados en escolares sobre la calidad de movimiento de las habilidades motrices y el rendimiento de salto y carrera. La metodología utilizada fue a partir de un diseño estudio cruzado aleatorizado (n=27 escolares), que incluyó tres condiciones experimentales para valorar el efecto agudo de distintos tipos de calentamiento (tradicional, basado en juegos adaptados reducidos y FIFA 11+) sobre el salto vertical, sprint en 20 metros y habilidades motoras de locomoción y control de objetos en niños y niñas. Se utilizó estadística descriptiva y comparativa a través de ANOVA de medidas repetidas y Friedman con sus pruebas post-hoc según corresponda. Los resultados muestran que todos los tipos de calentamiento mostraron diferencias significativas en sprint, salto vertical y habilidades motoras, respecto al a la condición control sin calentamiento. El calentamiento basado en juegos adaptados reducidos presentó efectos superiores que las otras modalidades en las habilidades motoras de locomoción (p< .05). Las comparaciones entre calentamientos mostraron que la intervención basada en FIFA 11+ mostró ser más eficaz en reducir el tiempo de sprint en 20 metros y aumentar la altura del salto vertical (p< .05). En conclusión, este estudio sugiere que, la selección de una estrategia adecuada basada en una diversidad de experiencias motrices como las ofrecidas por los protocolos de calentamiento FIFA11+ y de juegos adaptados reducidos podría ser clave para mejorar el rendimiento motor y la magnitud de los beneficios asociados al calentamiento. Abstract: The objective of this research is to assess the effects of different types of warm-ups applied in schoolchildren on the quality of movement of motor skills and jumping and sprint performance. The methodology used was based on a randomized crossover study design (n = 27 schoolchildren), which included three experimental conditions to assess the acute effect of different types of warm-up (traditional, based on reduced adapted games and FIFA 11+) on the vertical jump, sprint in 20 meters and motor skills of locomotion and control of objects in children. Descriptive and comparative statistics were used through repeated measures ANOVA and Friedman with its post-hoc tests as appropriate. The results show that all types of warm-up showed significant differences in sprint, vertical jump and motor skills, compared to the control condition without warm-up. The warm-up based on reduced adapted games presented greater effects than the other modalities on the motor skills of locomotion (p <.05). Comparisons between warm-ups showed that the intervention based on FIFA 11+ was shown to be more effective in reducing sprint time by 20 meters and increasing vertical jump height (p <.05). In conclusion, this study suggests that the selection of an appropriate strategy based on a diversity of motor experiences such as those offered by the FIFA11 + warm-up protocols and reduced adapted games could be key to improving motor performance and the magnitude of the benefits associated with warm-up.

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Acute effect of stretching modalities on global coordination and kicking accuracy in 12–13 year-old soccer players

Cited by 12 publications

References 45 publications

Warm-up durations in a hot-dry climate affect thermoregulation, mean power-output and fatigue, but not peak power in specific soccer repeated-sprint ability

Warm-up durations in a hot-dry climate affect thermoregulation, mean power-output and fatigue, but not peak power in specific soccer repeated-sprint ability

The Effects of Exercise Difficulty and Time-of-Day on the Perception of the Task and Soccer Performance in Child Soccer Players

Efectos agudos de distintas estrategias de calentamiento sobre el rendimiento físico y las habilidades motrices en escolares (Acute effects of different warm-up strategies on physical performance and motor skills in schoolchildren)

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