Relationship Among Repeated Sprint Ability, Chronological Age, and Puberty in Young Soccer Players

Perroni, Fabrizio; Pintus, Antonio; Frandino, Mattia; Guidetti, Laura; Baldari, Carlo

doi:10.1519/jsc.0000000000001799

Cited by 22 publications

(23 citation statements)

References 35 publications

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“…Therefore, these outcomes suggest that the speed training should be more specific from the U16 age category onwards. Whereas, the use of RSA protocols for talent identification should be applied once players surpass the peak height velocity period (Perroni et al, 2018b; Selmi et al, 2018). It is important to consider that the characteristics of each repeated-sprint ability test (recovery duration, number of sprints, distance, etc.)…”

Section: Discussionmentioning

confidence: 99%

“…Therefore, it is likely that our findings were affected by the lower repeated-sprint ability of the U14 and U18 groups included in our study. Perroni et al (2018b) found a great variability in physical parameters like speed time even in young soccer players from the same category. Therefore, training loads should be in line with the individual maturity status of these players.…”

Section: Discussionmentioning

confidence: 99%

“…These findings suggest that the three age groups assessed in this study can face exercises that required the repetition of high intensity actions or sprints in a short period of time. However, coaches should control the fitness condition and body mass of their players, as the ability of young soccer players to deal with repeated sprinting actions are correlated to these variables (Perroni et al, 2018b).…”

Section: Discussionmentioning

confidence: 99%

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Repeated Sprint Ability and Muscular Responses According to the Age Category in Elite Youth Soccer Players

et al. 2019

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The aim of this study was to analyse the influence of age category on the performance and muscle response after a Repeated Sprint Ability (RSA) test in elite youth soccer players. 62 soccer players from three different age categories (Under 14 [n = 21], Under 16 [n = 20], and Under 18 [n = 21]) were selected to participate in this study. Players completed an RSA test (7 × 30 m) with a 20-s recovery between sprints. The muscular response to an electrical stimulus before and after the test of both the biceps femoris (BF) and the rectus femoris (RF) were evaluated using tensiomyography. A two-way ANOVA was used to analyse the differences in RSA parameters in each of the four distance-intervals (0–5; 5–25; 25–30; 0–30 m) between sprint and age category. The U14 age category (5.30 ± 0.30 s) showed higher mean sprint times than U16 (4.62 ± 0.20 s) and U18 (4.46 ± 0.17 s) throughout the entire test (p < 0.01). U16 players revealed a worse best sprints time (RSABEST) than U18 players (+0.12 s, CI95%: to 0.01 to 0.24; ES: 1.09, p = 0.03). The muscular contractile properties were similar in the three age categories analyzed (p > 0.05), although the delay time (Td) of the muscle was significantly lower after the RSA test in U16 players (−1.53 ms, CI95%: −2.607 to −0.452; ES: 0.38) and U18 players (−1.11 ms, CI95%: −2.10 to −0.12; ES: 0.22). In conclusion, this study revealed an increase in physical performance and muscle response variability after a repeated sprint ability test in the U16's and over. The fatigue induced by the RSA test did not show differences depending on the age of the players, although muscle mechanical properties were altered after the RSA test in U16 and U18 soccer players. Physical performance and muscle response can be complementary variables in managing fatigue according to the age category in soccer players.

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Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

Section: Discussionmentioning

confidence: 99%

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Repeated Sprint Ability and Muscular Responses According to the Age Category in Elite Youth Soccer Players

et al. 2019

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“…Therefore, nutrition depends on the relationship between energy production and its consumption in the human body [19]. Puberty is a succession of anatomical and physiological changes in early adolescence that mark the transition period from sexually immature to fully mature and is characterized by the development of reproductive functions, changes in body size, composition and function in response to sex hormones [20]. If in this period intensive growth…”

Section: Discussionmentioning

confidence: 99%

Differences in the degree of nutrition and body composition of boys and girls of pubertal age

Nikšić

Joksimović

Beganović

et al. 2021

ppcs

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Background and Study Aim. The nutritional status of children can be assessed on the basis of clinical examination, laboratory procedures and anthropometric measurements. Height and body weight are most often used to determine nutrition. Children and adolescents who are at risk of being overweight often also become obese adults. Material and Methods. The research was conducted on a sample of 136 students (67 boys and 69 girls), with an average age of 11.56 years. The aim of the study was to determine the degree and differences in the degree of nutrition and body composition in boys and girls of pubertal age. Results. Based on the obtained results, T-test for small independent samples, it was determined that there are no statistically significant differences between boys and girls, both in the degree of nutrition and body composition, estimated by 10 variables using bioelectric impedance InBody 720. Also, it was found that 19.70% of boys are obese, as well as 17.40% of girls. Cumulatively with the percentage of malnourished respondents, a total of 61.50% of boys were not normally fed, as were 37.70% of girls. The obtained results indicate the need for a more extensive review of the analysed segments and a significantly larger sample of respondents, in order to act preventively in the fight against obesity, as the leading epidemiological health problem of today. Conclusion. It is obvious that physical activity based on physical education classes is not sufficient or is not sufficiently represented to meet the challenges of the modern way of life of children.

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“…In the sports context, the players are grouped into categories by chronological age with two years in each group. 14 Considering that the age of the individual does not necessarily correspond with the pubertal stage, this suggests that individuals in different pubertal stages within a category may present different performances in the specific motor movements of the modality, and that prepubertal individuals do not necessarily present a lack of ability in the sport. 8,20 Jump performance in the sports context, vertical jumping tests are widely used for training 21,22 and evaluation of muscle strength and lower limb power through the jumping height reached, the squat jump (SJ) and counter-movement jump (CMJ) being the main vertical tests used in the literature.…”

Section: Introductionmentioning

confidence: 99%

Effects of Puberty on Jump and Sprint Performance in Young Futsal Players

Alvares

Chaves

Oliveira

et al. 2020

Rev Bras Med Esporte

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Futsal is a sport that involves motor actions with high intensity and short duration, especially vertical jumps and sprints, which require fast application of strength and speed. The evaluation and training of these physical capacities is a routine practice of coaches, especially in the base categories, which are the entry point for many children and adolescents aiming for a professional career in futsal. With regard to the training of this public, puberty is a factor that must be considered, as a natural biological process involving several bodily transformations that can influence the performance of these physical capacities, especially considering that the categories are divided by chronological age, which does not always correspond to pubertal age. The objective of this study was to conduct a literature review of body modifications during puberty, and how these can affect the aspects that determine good performance in jumps and sprints. It was verified that this phase is associated with hormonal changes, an increase in muscle mass, and anthropometric aspects, as well as the maturation of the neuromuscular functions and refinement of the more complex motor activities, such as locomotion. Together, these factors can favor the fast application of force, and better performance of these players in terms of motor activities. However, it is important to emphasize that although these factors increase and naturally favor the players' performance in terms of strength and speed, it is a phase in which specific types of training focused on the aspects that determine good performance are fundamental to increase these capacities and diminish other aspects that also occur with the bodily development, such as a transient decrease in motor coordination and balance due to the rapid growth spurt, and tissue stiffness, which can sometimes occur during this period. Level of evidence V; Expert Opinion.

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Relationship Among Repeated Sprint Ability, Chronological Age, and Puberty in Young Soccer Players

Cited by 22 publications

References 35 publications

Repeated Sprint Ability and Muscular Responses According to the Age Category in Elite Youth Soccer Players

Repeated Sprint Ability and Muscular Responses According to the Age Category in Elite Youth Soccer Players

Differences in the degree of nutrition and body composition of boys and girls of pubertal age

Effects of Puberty on Jump and Sprint Performance in Young Futsal Players

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