Intrinsic Risk Factors for Hamstring Injuries Among Male Soccer Players

2010 ◽  
Vol 38 (6) ◽  
pp. 1147-1153 ◽  
Author(s):  
Anders Hauge Engebretsen ◽  
Grethe Myklebust ◽  
Ingar Holme ◽  
Lars Engebretsen ◽  
Roald Bahr
Keyword(s):  
Risk Factors ◽  
Soccer Players ◽  
Hamstring Injuries

scholarly journals Hamstring and Ankle Flexibility Deficits Are Weak Risk Factors for Hamstring Injury in Professional Soccer Players: A Prospective Cohort Study of 438 Players Including 78 Injuries

2018 ◽  
Vol 46 (9) ◽  
pp. 2203-2210 ◽  
Author(s):  
Nicol van Dyk ◽  
Abdulaziz Farooq ◽  
Roald Bahr ◽  
Erik Witvrouw
Keyword(s):  
Risk Factors ◽  
Range Of Motion ◽  
Cox Regression ◽  
Knee Extension ◽  
Ankle Dorsiflexion ◽  
Soccer Players ◽  
Hamstring Injury ◽  
Cox Regression Analysis ◽  
Professional Soccer ◽  
Hamstring Injuries

Background: Hamstring injuries remain a significant injury burden in sports such as soccer that involve high-speed running. It has repeatedly been identified as the most common noncontact injury in elite male soccer, representing 12% of all injuries. As the incidence of hamstring injuries remains high, investigations are aimed at better understanding how to prevent hamstring injuries. Stretching to improve flexibility is commonly used in elite-level sports, but risk factor studies have reported contradicting results, leading to unclear conclusions regarding flexibility as a risk factor for hamstring injuries. Purpose: To investigate the association of lower limb flexibility with the risk of hamstring injuries in professional soccer players. Study Design: Cohort study; Level of evidence, 2. Methods: All teams (n = 18) eligible to compete in the premier soccer league in Qatar (Qatar Stars League [QSL]) underwent a comprehensive musculoskeletal assessment during their annual periodic health evaluation at Aspetar Orthopaedic and Sports Medicine Hospital in Doha, Qatar. Variables included passive knee extension and ankle dorsiflexion range of motion. A clustered multivariate Cox regression analysis was used to identify associations with the risk of hamstring injuries. Receiver operating characteristic (ROC) curves were calculated to determine sensitivity and specificity. Results: A total of 438 unique players (72.4% of all QSL players) competed for 601 player-seasons (148 players competed both seasons) and sustained 78 hamstring injuries. Passive knee extension range of motion (hazard ratio [HR], 0.97 [95% CI, 0.95-0.99]; P = .008) and ankle dorsiflexion range of motion (HR, 0.93 [95% CI, 0.88-0.99]; P = .02) were independently associated with the injury risk. The absolute differences between the injured and uninjured players were 1.8° and 1.4 cm, respectively, with small effect sizes ( d < 0.2). The ROC curve analyses showed an area under the curve of 0.52 for passive knee extension and 0.61 for ankle dorsiflexion, indicating failed to poor combined sensitivity and specificity of the 2 strength variables identified in the multivariate Cox regression analysis. Conclusion: This study identified deficits in passive hamstring and ankle dorsiflexion range of motion as weak risk factors for a hamstring injury. These findings have little clinical value in predicting the risk of future hamstring injuries, and test results must therefore be interpreted cautiously in athletic screening.

Risk Factors for Hamstring Injuries in Male Soccer Players: A Systematic Review of Prospective Studies

2012 ◽  
Vol 23 (3) ◽  
pp. 253-262 ◽  
Author(s):  
A. M. C. van Beijsterveldt ◽  
I. G. L. van de Port ◽  
A. J. Vereijken ◽  
F. J. G. Backx
Keyword(s):  
Risk Factors ◽  
Systematic Review ◽  
Prospective Studies ◽  
Soccer Players ◽  
Hamstring Injuries

scholarly journals Potential prognostic factors for hamstring muscle injury in elite male soccer players: A prospective study

PLoS ONE ◽  
2020 ◽  
Vol 15 (11) ◽  
pp. e0241127
Author(s):  
Ismet Shalaj ◽  
Masar Gjaka ◽  
Norbert Bachl ◽  
Barbara Wessner ◽  
Harald Tschan ◽  
...  
Keyword(s):  
Risk Factors ◽  
Injury Rate ◽  
Strength Test ◽  
Soccer Players ◽  
Hamstring Injury ◽  
Isokinetic Strength ◽  
Injury Incidence ◽  
Functional Tests ◽  
Hamstring Injuries ◽  
Potential Risk Factors

Hamstring injuries remain the most common injury type across many professional sports. Despite a variety of intervention strategies, its incidence in soccer players playing in the UEFA Champions League has increased by 4% per year over the last decade. Test batteries trying to identify potential risk factors have produced inconclusive results. The purpose of the current study was to prospectively record hamstring injuries, to investigate the incidence and characteristics of the injuries, and to identify possible risk factors in elite male soccer players, playing in the Kosovo national premier league. A total of 143 soccer players from 11 teams in Kosovo were recruited. To identify possible prevalent musculoskeletal or medical conditions a widespread health and fitness assessment was performed including isokinetic strength testing, Nordic hamstring strength test, functional tests, and a comprehensive anamnesis surveying previous hamstring injuries. On average 27.9% of the players sustained at least one hamstring injury with three players suffering bilateral strains with the re-injury rate being 23%. Injured players were significantly older and heavier and had a higher body mass index compared to non-injured ones (p < 0.05). There was a lower passing rate in the Nordic hamstring strength test and a higher injury incidence among the previously injured players compared to non-injured ones (p < 0.05). Except for hamstring/quadriceps ratio and relative torque at 60°/sec (p < 0.05) for dominant and non-dominant leg, there were no other significant differences in isokinetic strength regardless of the angular velocity. No differences were observed for functional tests between cohorts. Regression analysis revealed that age, Nordic hamstring strength test, previous injury history, and isokinetic concentric torque at 240°/sec could determine hamstring injuries by 25.9%, with no other significant predicting risk factors. The battery of laboratory and field-based tests performed during preseason to determine performance related skills showed limited diagnostic conclusiveness, making it difficult to detect players at risk for future hamstring injuries.

Injury risk profile of amateur Irish women soccer players and players’ opinions on risk factors and prevention strategies

2021 ◽  
Author(s):  
Tahani A. Alahmad ◽  
Audrey C. Tierney ◽  
Roisin M. Cahalan ◽  
Nassr S. Almaflehi ◽  
Amanda M. Clifford
Keyword(s):  
Risk Factors ◽  
Injury Risk ◽  
Risk Profile ◽  
Soccer Players ◽  
Prevention Strategies ◽  
Irish Women

Recurrence of Hamstring Injuries and Risk Factors for Partial and Complete Tears in the National Football League: An Analysis From 2009-2020

2021 ◽  
Author(s):  
Blake M. Bodendorfer ◽  
Steven F. DeFroda ◽  
Alexander C. Newhouse ◽  
Daniel S. Yang ◽  
Henry T. Shu ◽  
...  
Keyword(s):  
Risk Factors ◽  
National Football League ◽  
Hamstring Injuries

Intrinsic Risk Factors for Groin Injuries among Male Soccer Players

2010 ◽  
Vol 38 (10) ◽  
pp. 2051-2057 ◽  
Author(s):  
Anders Hauge Engebretsen ◽  
Grethe Myklebust ◽  
Ingar Holme ◽  
Lars Engebretsen ◽  
Roald Bahr
Keyword(s):  
Risk Factors ◽  
Soccer Players

scholarly journals Assessment of Injury Risk Factors in Male Youth Soccer Players

2016 ◽  
Vol 38 (1) ◽  
pp. 12-21 ◽  
Author(s):  
Paul J. Read ◽  
Jon L. Oliver ◽  
Mark B. A. De Ste Croix ◽  
Gregory D. Myer ◽  
Rhodri S. Lloyd
Keyword(s):  
Risk Factors ◽  
Injury Risk ◽  
Soccer Players ◽  
Male Youth ◽  
Youth Soccer ◽  
Injury Risk Factors

Preventive Effect of Eccentric Training on Acute Hamstring Injuries in Men’s Soccer

2011 ◽  
Vol 39 (11) ◽  
pp. 2296-2303 ◽  
Author(s):  
Jesper Petersen ◽  
Kristian Thorborg ◽  
Michael Bachmann Nielsen ◽  
Esben Budtz-Jørgensen ◽  
Per Hölmich
Keyword(s):  
Training Program ◽  
Intervention Group ◽  
Soccer Players ◽  
Hamstring Injury ◽  
Control Group ◽  
Eccentric Training ◽  
Preventive Effect ◽  
Injury Rates ◽  
Hamstring Injuries ◽  
Recurrent Injury

Background: The incidence of acute hamstring injuries is high in several sports, including the different forms of football. Purpose: The authors investigated the preventive effect of eccentric strengthening of the hamstring muscles using the Nordic hamstring exercise compared with no additional hamstring exercise on the rate of acute hamstring injuries in male soccer players. Study Design: Randomized controlled trial; Level of evidence, 1. Methods: Fifty Danish male professional and amateur soccer teams (942 players) were allocated to an intervention group (461 players) or a control group (481 players). Players in the intervention group conducted a 10-week progressive eccentric training program followed by a weekly seasonal program, whereas players in the control group followed their usual training program. The main outcome measures were numbers of overall, new, and recurrent acute hamstring injuries during 1 full soccer season. Results: Fifty-two acute hamstring injuries in the control group compared with 15 injuries in the intervention group were registered. Comparing intervention versus the control group, overall acute hamstring injury rates per 100 player seasons were 3.8 versus 13.1 (adjusted rate ratio [RR], 0.293; 95% confidence interval [CI], 0.150-0.572; P < .001). New injury rates per 100 player seasons were 3.1 versus 8.1 (RR, 0.410; 95% CI, 0.180-0.933; P = .034), whereas recurrent injury rates per 100 player seasons were 7.1 versus 45.8 (RR, 0.137; 95% CI, 0.037-0.509; P = .003). Number needed to treat [NNT] to prevent 1 acute hamstring injury (new or recurrent) is 13 (95% CI, 9-23) players. The NNT to prevent 1 new injury is 25 (95% CI, 15-72) players, and NNT to prevent 1 recurrent injury is 3 (95% CI, 2-6) players. Conclusion: In male professional and amateur soccer players, additional eccentric hamstring exercise decreased the rate of overall, new, and recurrent acute hamstring injuries.

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