Dataset Information

Sports injuries aligned to predicted mature height in highly trained Middle-Eastern youth athletes: a cohort study.

ABSTRACT:

Objectives

To investigate the association of maturity status with injury incidence in Middle-Eastern youth athletes.

Design

Prospective cohort study.

Setting

Four consecutive seasons (2010-2014), Aspire Academy, Qatar.

Participants

Male athletes (age range: 11-18 years) representing four disciplines enrolled and grouped into two categories: individual sports and racquet sports.

Outcome measures

Injury data collected over four seasons. Athletes' anthropometric characteristics assessed to calculate age at peak height velocity. Predicted mature heights (PMHs) collected and categorised into four quartiles. Athletes had wrist and hand radiographs for assessment of skeletal age (SA). Early and late maturers with an SA of >1?year older or younger than their chronological age (CA).

Results

For the sample (n=67) across all groups, 43 (64%) athletes had one or more injuries: total of 212 injuries, 4.9 injuries per athlete across study. Survival analysis of maturity status using SA found early maturing athletes had two-fold greater injury risk compared with late maturers (HR 2.04, 95%?CI 1.15 to 3.61, p=0.015). PMH associated with injury risk (HR 1.05, 95%?CI 1.01 to 1.08, p=0.006).Athletes in fourth quartile (?184?cm) had up to two-fold injury risk (HR 2.41, 95%?CI 1.42 to 4.08, p=0.001). Racquet and individual sports involved similar injury risk (HR 1.14, 95%?CI 0.86 to 1.52, p=0.37).

Conclusion

SA early maturity and PMH gradient were significant predictors of injury in youths.

SUBMITTER: Rejeb A

PROVIDER: S-EPMC6429725 | biostudies-literature | 2019 Mar

REPOSITORIES: biostudies-literature

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Publications

Sports injuries aligned to predicted mature height in highly trained Middle-Eastern youth athletes: a cohort study.

Rejeb Abdallah A Johnson Amanda A Farooq Abdulaziz A Verrelst Ruth R Pullinger Samuel S Vaeyens Roel R Witvrouw Erik E

BMJ open 20190313 3

<h4>Objectives</h4>To investigate the association of maturity status with injury incidence in Middle-Eastern youth athletes.<h4>Design</h4>Prospective cohort study.<h4>Setting</h4>Four consecutive seasons (2010-2014), Aspire Academy, Qatar.<h4>Participants</h4>Male athletes (age range: 11-18 years) representing four disciplines enrolled and grouped into two categories: individual sports and racquet sports.<h4>Outcome measures</h4>Injury data collected over four seasons. Athletes' anthropometric ...[more]

PMID: 30872539

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Project description:BACKGROUND:The effect of socioeconomic status (SES) on rates of sports specialization and injury among youth athletes has not been described previously. HYPOTHESIS:Young athletes from lower socioeconomic status will have lower rates of sports specialization and subsequently lower risk of overuse injuries. STUDY DESIGN:Cohort study. LEVEL OF EVIDENCE:Level 3. METHODS:Injured athletes aged 7 to 18 years were recruited from 2 hospital-based sports medicine clinics and compared with uninjured athletes presenting for sports physicals at primary care clinics between 2010 and 2013. Participants completed surveys on training patterns. Electronic medical records provided injury details as well as patient zip code, race, and health insurance type. SES was estimated from zip codes. The sample was divided into SES tertiles. Analysis of variance and multivariate regression were used for continuous variables, and multivariate logistic regression analyses were conducted to explore relationships between risk factors and injury. RESULTS:Of 1190 athletes surveyed, 1139 (96%) had satisfactory SES data. Compared with low-SES athletes, high-SES athletes reported more hours per week spent playing organized sports (11.2 ± 6.0 vs 10.0 ± 6.5; P = 0.02), trained more months per year in their main sport (9.7 ± 3.1 vs 7.6 ± 3.7; P < 0.01), were more often highly specialized (38.9% vs 16.6%; P < 0.01), and had increased participation in individual sports (64.8% vs 40.0%; P < 0.01). The proportion of athletes with a greater than 2:1 ratio of weekly hours in organized sports to free play increased with SES. Accounting for age and weekly organized sports hours, the odds of reporting a serious overuse injury increased with SES (odds ratio, 1.5; P < 0.01). CONCLUSION:High-SES athletes reported more serious overuse injuries than low-SES athletes, potentially due to higher rates of sports specialization, more hours per week playing organized sports, higher ratio of weekly hours in organized sports to free play, and greater participation in individual sports. CLINICAL RELEVANCE:As SES increases, young athletes report higher degrees of sports specialization, greater participation in individual sports, and more serious overuse injuries.

Project description:Actually, there is scarce literature looking for the relationship between inter-limb asymmetries and performance in youth elite team sports. The main purpose of this cross-sectional study was to examine the relationships between inter-limb asymmetries and physical performance in youth elite team-sports players. A secondary objective was to evaluate the presence of between-sexes differences in inter-limb asymmetries in elite youth team sports players. Eighty-one young elite team-sports athletes (age: u-14 to u-18) performed the star excursion balance test in the anterior direction (SEBT ANT), a single leg vertical countermovement jump test (SLCMJ), the one leg hop test for distance (OLHT), a 30 m sprint test, and the V-cut test. Inter-limb asymmetries were calculated for SEBT ANT, SLCMJ and OLHT. Pearson r was used to analyse the relationships between inter-limb asymmetries and physical performance. Results showed significant (p < 0.05) but small (r = 0.26) relationships between SLCMJ asymmetries and 30 m sprint time for the total group. Significant negative correlations with small to moderate magnitude of correlation were also found between SLCMJ asymmetries and SLCMJ performance on the lowest performing limb for the total group (p < 0.05; r = -0.26), males (p < 0.01; r = -0.48) and females (p < 0.05; r = -0.30). Moreover, significant negative correlations with moderate and large magnitude were also present between OLHT asymmetries and OLHT performance on the lowest performing limb for the total group (p < 0.01; r = -0.44), males (p < 0.01; r = -0.56) and females (p < 0.01; r = -0.64). No correlations were observed between asymmetries and either the V-cut test or SEBT ANT performance. No correlation were observed between SEBT ANT asymmetries and physical performance. In addition, when comparing asymmetry values between sexes there were no significant differences in vertical (p = 0.06) and horizontal (p = 0.61) jumping tests. However, there were significant differences in asymmetry between sexes in the ANT SEBT (p = 0.04). In conclusion, the current study indicated that jumping asymmetries were associated with decrements in sprint speed and jumping performance. Therefore, assessing inter-limb asymmetries would be recommended to improve training interventions for youth elite team-sports athletes.

Dataset Information

Sports injuries aligned to predicted mature height in highly trained Middle-Eastern youth athletes: a cohort study.

Objectives

Design

Setting

Participants

Outcome measures

Results

Conclusion

Publications

Sports injuries aligned to predicted mature height in highly trained Middle-Eastern youth athletes: a cohort study.

Similar Datasets

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