Preseason Aerobic Capacity Is an Independent Predictor of In-Season Injury in Collegiate Soccer Players

Watson, Andrew; Brindle, Jacob; Brickson, Stacey; Allee, Tyler; Sanfilippo, Jennifer

doi:10.1097/jsm.0000000000000331

Cited by 29 publications

(32 citation statements)

References 32 publications

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“…Numerous studies related to various elements of physical fitness have attempted to identify factors that contribute to injury and illness risk in young athletes, although not at the elite level. Typically, physical fitness tests encompass components such as cardiorespiratory endurance, muscular strength, flexibility tests, and functional movement tests . Prior research studies on the adult population have demonstrated an association between higher levels of aerobic fitness and decreased injury risk, whereas research on the relationship between physical fitness level and illness risk is limited and mostly focus on increasing training loads .…”

Section: Introductionmentioning

confidence: 99%

The association between physical fitness level and number and severity of injury and illness in youth elite athletes

Moseid

Myklebust

Slaastuen

et al. 2019

Scandinavian Med Sci Sports

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Youth elite athletes often double their training and competition load after enrollment into specialized sport academy high school programs. The least fit athletes may be exposed to an excessive and too rapid increase in training load, with negative adaptations such as injury and illness as a consequence. In this study, our aim was to determine whether these least fit athletes were at greater risk of injury or illness during their first school year. Participants were 166 youth elite athletes (72% boys) from a variety of team, technical, and endurance sports newly enrolled into specialized sport academy high schools. The Oslo Sports Trauma Research Center Questionnaire on Health Problems was used to self‐report injuries and illnesses weekly for 26 weeks. Athletes completed the Ironman Jr physical fitness test battery at baseline, evaluating endurance, strength, agility, and speed properties. We ranked the athletes based on their combined test scores and identified the least fit quartile. The main outcome was the number and severity of health problems, comparing the least fit quartile of athletes to the rest of the cohort. Overall, the least fit quartile of athletes did not report more health problems (mean 3.7, 95% CI 3.0‐4.4) compared with the rest of the cohort (3.6, 3.2‐3.9). In conclusion, we demonstrated no association between low physical fitness level and number and severity of injury and illness in youth elite athletes after enrollment into a specialized sport academy high school program.

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Section: Introductionmentioning

confidence: 99%

The association between physical fitness level and number and severity of injury and illness in youth elite athletes

Moseid

Myklebust

Slaastuen

et al. 2019

Scandinavian Med Sci Sports

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show abstract

“…This is an interesting field for research, and some papers are finding results to corroborate this. [ 29 ] In this case, it reinforces the need to evaluate and improve the aerobic fitness of professional soccer players before they return to play, to avoid other injuries.…”

Section: Discussionmentioning

confidence: 86%

“…[ 24 ] Also, it has been demonstrated that VO 2max is an independent predictor of injury in soccer players. [ 29 ]…”

Section: Discussionmentioning

confidence: 99%

Aerobic fitness in professional soccer players after anterior cruciate ligament reconstruction

et al. 2018

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Although anterior cruciate ligament (ACL) reconstruction is considered a successful procedure in restoring knee stability, few studies have addressed the issue of aerobic capacity after ACL surgery. Soccer players need technical, tactical and physical skills to succeed, such as good knee function and aerobic capacity. Our purpose is to evaluate aerobic fitness in ACL injured professional football players and six months after ACL reconstruction compared to a control group. Twenty athletes with ACL injury were evaluated and underwent ACL reconstruction with hamstrings autograft, and were compared to twenty healthy professional soccer players. The methods used to evaluate aerobic fitness were maximum oxygen uptake (VO2max) and ventilatory thresholds with a treadmill protocol, before and six months after surgery, compared to a control group. Knee function questionnaires, isokinetic strength testing and body composition evaluation were also performed. Results: Median ACL-injured patients age was 21 years old, and controls 20.5 years old. (n.s.). Preoperative VO2max in the ACL injured group was 45.2 ± 4.3 mL/kg/min, postoperative 48.9 ± 3.8 mL/kg/min and controls 56.9 ± 4.2 mL/kg/min. (p< .001 in all comparisons). Body composition evaluation was similar in all situations. Knee function questionnaires and quadriceps peak torque deficit improved after surgery but were significantly lower compared to controls. Conclusion: Aerobic fitness is significantly reduced in professional soccer players with ACL injury, and six months of rehabilitation was not enough to restore aerobic function after ACL reconstruction, compared to non-injured players of the same level.

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“…1 , 14 , 16 , 17 , 24 , 27 Whereas BMI is often used as an indirect measure of adiposity in the general public, the significant influence of muscle mass on BMI in high-level athletes may confound this relationship. Although a prior study of middle school and high school athletes from multiple sports found that injury risk increased with age, Watson et al 34 found that age was unrelated to in-season injury risk in a group of collegiate soccer athletes. We are aware of no prior research that has evaluated years of experience as a risk factor for injury in female youth athletes.…”

Section: Discussionmentioning

confidence: 95%

“…It was recently found that higher preseason fitness was associated with a decreased risk of in-season injury among male and female collegiate soccer players when measured directly as maximal aerobic capacity (VO 2max ). 34 Together, these findings suggest that off-season interventions in adult athletes to improve aerobic fitness may reduce in-season injury risk.…”

mentioning

confidence: 91%

Preseason Aerobic Fitness Predicts In-Season Injury and Illness in Female Youth Athletes

Watson

Brickson

Brooks

et al. 2017

Orthopaedic Journal of Sports Medicine

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Background:Although preseason aerobic fitness has been suggested as a modifiable risk factor for injury in adult athletes, the relationship between aerobic fitness, injury, and illness in youth athletes is unknown.Purpose:To determine whether preseason aerobic fitness predicts in-season injury and illness risk in female adolescent soccer players.Study Design:Case-control study; Level of evidence, 3.Methods:Fifty-four female adolescent soccer players underwent preseason evaluation to determine years of experience, body mass index (BMI), maximal aerobic capacity (VO2max), and time to exhaustion (Tmax) during cycle ergometer testing. All injuries and illnesses during the subsequent 20-week season were recorded. Variables were compared between individuals with and without a self-reported injury and individuals with and without a self-reported illness. Separate Poisson regression models were developed to predict number of injuries and illnesses for each individual by use of age, years of experience, BMI, VO2max, and Tmax. Results:Twenty-eight injuries and 38 illnesses in 23 individuals were recorded during the season. Although not a statistically significant finding, individuals who reported an in-season injury had lower VO2max than those who did not (54.9 ± 7.3 vs 58.3 ± 8.5 mL/kg/min, P = .13). Individuals who reported an illness had significantly lower VO2max than those who did not (54.5 ± 9.9 vs 58.8 ± 6.2 mL/kg/min, P = .014). With the Poisson regression models, VO2max was a significant predictor of both injury (odds ratio [OR], 0.95; P = .046) and illness (OR, 0.94; P = .009), while no significant relationships were identified between injury or illness and age, years of experience, Tmax, or BMI (all P > .05).Conclusion:Among adolescent female soccer players, greater preseason aerobic fitness is associated with a reduced risk of in-season injury and illness. Off-season intervention to promote aerobic fitness may help reduce the risk of lost time during the season due to injury and illness.

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Preseason Aerobic Capacity Is an Independent Predictor of In-Season Injury in Collegiate Soccer Players

Abstract: Efforts to increase aerobic capacity and LBM among soccer players in the off-season may help reduce in-season injury.

Cited by 29 publications

References 32 publications

The association between physical fitness level and number and severity of injury and illness in youth elite athletes

The association between physical fitness level and number and severity of injury and illness in youth elite athletes

Aerobic fitness in professional soccer players after anterior cruciate ligament reconstruction

Preseason Aerobic Fitness Predicts In-Season Injury and Illness in Female Youth Athletes

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