Risk Factors of Lower Extremity Injuries and Sport Performance Following Functional Training in Young Soccer Players: Randomized Clinical Trial

Document Type : Original Articles

Authors

1 Assistant Professor, Department of Sport Science, Sirjan University of Technology, Kerman, Iran

2 Assistant Professor, Department of Sports Injuries and Corrective Exercises, Asrar Institute of Higher Education, Mashhad, Iran

10.22122/jrrs.v16i0.3572

Abstract

Introduction: As a result of insufficient neuromuscular adaptation, dynamic lower extremity alignment is exposed to biomechanical deficits in loading tasks. Therefore, in addition to neuromuscular retraining and decreasing risk of injuries, sport performance indices should be considered while designing injury prevention programs. This study aimed to investigate the effect of 10-week soccer-specific functional training (SSFT) on risk factors of lower extremity injuries and sport performance indices concurrently in young male soccer players.Materials and Methods: In this randomized controlled trial, 27 young male soccer players were randomly allocated into a control group (n = 13) and experimental group (n = 14). The control group continued their regular soccer training. For experimental group, 3 sessions of SSFT were weekly introduced whitin their regular soccer training program for 10 weeks. SSFT included strength, balance, core, plyometrics, speed and agility exercises as well as the soccer-specific drills. Measurements consisted of the Landing Error Scoring System (LESS) and general and sport-specific performance tests including sprint, agility, power, balance, strength, and best and average time of Shuttle Sprint and Dribble Test (SDT) before and after SSFT in both groups. Analysis of covariance (ANCOVA) was used for statistical analysis (P < 0.05).Results: From the pre-test to post-test, LESS score, time in 30-m test, arrowhead test, and average SDT in experimental group decreased significantly compared to control group (P < 0.001). Similarly, the improvement in experimental group was statistically significant for the countermovement-jump test, Y-Balance Test (YBT), and one-repetition maximum (1RM) tests (P < 0.001) compared to that in control group. The best SDT time was not significantly better in experimental group (P > 0.05).Conclusion: SSFT designed based on functional capacity can be effective in reducing some risk factors of lower extremity injuries and improving sport performance in young male soccer players.

Keywords

  1. FIFA. FIFA big count 2006: 270 million people active in football [Online]. [cited 2006]; Available from: URL: www.fifa.com/aboutfifa/media/newsid=529882html
  2. Drawer S, Fuller CW. Evaluating the level of injury in English professional football using a risk based assessment process. Br J Sports Med 2002; 36(6): 446-51.
  3. Yard EE, Schroeder MJ, Fields SK, Collins CL, Comstock RD. The epidemiology of United States high school soccer injuries, 2005-2007. Am J Sports Med 2008; 36(10): 1930-7.
  4. Hewett TE, Ford KR, Hoogenboom BJ, Myer GD. Understanding and preventing acl injuries: current biomechanical and epidemiologic considerations - update 2010. N Am J Sports Phys Ther 2010; 5(4): 234-51.
  5. Ford KR, Nguyen AD, Dischiavi SL, Hegedus EJ, Zuk EF, Taylor JB. An evidence-based review of hip-focused neuromuscular exercise interventions to address dynamic lower extremity valgus. Open Access J Sports Med 2015; 6: 291-303.
  6. Read PJ, Oliver JL, De Ste Croix MB, Myer GD, Lloyd RS. Neuromuscular risk factors for knee and ankle ligament injuries in male youth soccer players. Sports Med 2016; 46(8): 1059-66.
  7. Fort-Vanmeerhaeghe A, Romero-Rodriguez D, Montalvo A, Kiefer A, Lloyd R, Myer G. Integrative neuromuscular training and injury prevention in youth athletes. Part I: Identifying risk factors. Strength Cond J 2016; 38: 36-48.
  8. Saunders N, Otago L, Romiti M, Donaldson A, White P, Finch C. Coaches' perspectives on implementing an evidence-informed injury prevention programme in junior community netball. Br J Sports Med 2010; 44(15): 1128-32.
  9. Roux EC. Evaluation of a sport-specific performance task associated with a lower extremity injury prevention program [MSc Thesis]. Mansfield, CT: University of Connecticut - Storrs; 2015.
  10. Noyes FR, Barber-Westin SD, Tutalo Smith ST, Campbell T. A training program to improve neuromuscular and performance indices in female high school soccer players. J Strength Cond Res 2013; 27(2): 340-51.
  11. Zouita S, Zouita AB, Kebsi W, Dupont G, Ben AA, Ben Salah FZ, et al. Strength training reduces injury rate in elite young soccer players during one season. J Strength Cond Res 2016; 30(5): 1295-307.
  12. Collins A. The complete guide to functional training. New York, NY: Bloomsbury Publishing; 2012.
  13. Liebenson C. Rehabilitation of the spine: A practitioner's manual. 2nd ed. Philadelphia, PA: Lippincott Williams and Wilkins; 2006.
  14. Lederman E. The myth of core stability. J Bodyw Mov Ther 2010; 14(1): 84-98.
  15. Chorba RS, Chorba DJ, Bouillon LE, Overmyer CA, Landis JA. Use of a functional movement screening tool to determine injury risk in female collegiate athletes. N Am J Sports Phys Ther 2010; 5(2): 47-54.
  16. Imai A, Kaneoka K, Okubo Y, Shiraki H. Effects of two types of trunk exercises on balance and athletic performance in youth soccer players. Int J Sports Phys Ther 2014; 9(1): 47-57.
  17. Faul F, Erdfelder E, Lang AG, Buchner A. G*Power 3: A flexible statistical power analysis program for the social, behavioral, and biomedical sciences. Behav Res Methods 2007; 39(2): 175-91.
  18. Padua DA, Marshall SW, Boling MC, Thigpen CA, Garrett WE, Beutler AI. The landing error scoring system (LESS) is a valid and reliable clinical assessment tool of jump-landing biomechanics: The JUMP-ACL study. Am J Sports Med 2009; 37(10): 1996-2002.
  19. Comfort P, Abrahamson E. Sports rehabilitation and injury prevention. Hoboken, NJ: John Wiley and Sons; 2010.
  20. Jalilvand F, Mock S, Stecyk S, Crelling J, Lockwood J, Lockie R. The arrowhead change-of-direction speed test: reliability and relationships to other multidirectional speed assessments. Proceedings of the 38th National Strength and Conditioning Association National Conference and Exhibition; 2015 Jul 8-11; Orlando, FL, USA. 2015.
  21. Keir PJ, Jamnik VK, Gledhill N. Technical-methodological report: A nomogram for peak leg power output in the vertical jump. J Strength Cond Res 2003; 17(4): 701-3.
  22. Plisky PJ, Gorman PP, Butler RJ, Kiesel KB, Underwood FB, Elkins B. The reliability of an instrumented device for measuring components of the star excursion balance test. N Am J Sports Phys Ther 2009; 4(2): 92-9.
  23. Brzycki M. Strength testingpredicting a one-rep max from reps-to-fatigue. J Phys Educ Recreat Dance 1993; 64(1): 88-90.
  24. Bompa TO. Periodization training for sports. Champaign, IL: Human Kinetics; 1999.
  25. Lemmink KA, Elferink-Gemser MT, Visscher C. Evaluation of the reliability of two field hockey specific sprint and dribble tests in young field hockey players. Br J Sports Med 2004; 38(2): 138-42.
  26. Huijgen BC, Elferink-Gemser MT, Post WJ, Visscher C. Soccer skill development in professionals. Int J Sports Med 2009; 30(8): 585-91.
  27. Kraus K, Schutz E, Taylor WR, Doyscher R. Efficacy of the functional movement screen: A review. J Strength Cond Res 2014; 28(12): 3571-84.
  28. Cook G. Athletic body in balance. Champaign, IL: Human Kinetics; 2003.
  29. Minick KI, Kiesel KB, Burton L, Taylor A, Plisky P, Butler RJ. Interrater reliability of the functional movement screen. J Strength Cond Res 2010; 24(2): 479-86.
  30. Renstrom P, Ljungqvist A, Arendt E, Beynnon B, Fukubayashi T, Garrett W, et al. Non-contact ACL injuries in female athletes: An International Olympic Committee current concepts statement. Br J Sports Med 2008; 42(6): 394-412.
  31. Cohen J. Statistical power analysis for the behavioral sciences. Hillsdale, NJ: Lawrence Erlbaum Associates; 2013.
  32. Barber-Westin S, Hermeto A, Noyes MD. A six-week neuromuscular and performance training program improves speed, agility, dynamic balance, and core endurance in junior tennis players. J Athl Enhancement 2015; 4: 1.
  33. Distefano LJ, Distefano MJ, Frank BS, Clark MA, Padua DA. Comparison of integrated and isolated training on performance measures and neuromuscular control. J Strength Cond Res 2013; 27(4): 1083-90.
  34. Distefano LJ, Padua DA, Distefano MJ, Marshall SW. Influence of age, sex, technique, and exercise program on movement patterns after an anterior cruciate ligament injury prevention program in youth soccer players. Am J Sports Med 2009; 37(3): 495-505.
  35. Lederman E. Neuromuscular Rehabilitation in Manual and Physical Therapy. Edinburgh, UK: Churchill Livingstone; 2010.
  36. Hewett TE, Myer GD, Ford KR, Paterno MV, Quatman CE. The 2012 ABJS Nicolas Andry Award: The sequence of prevention: a systematic approach to prevent anterior cruciate ligament injury. Clin Orthop Relat Res 2012; 470(10): 2930-40.
  37. Chuter VH, Janse de Jonge XA. Proximal and distal contributions to lower extremity injury: A review of the literature. Gait Posture 2012; 36(1): 7-15.
  38. Jamison ST, Pan X, Chaudhari AM. Knee moments during run-to-cut maneuvers are associated with lateral trunk positioning. J Biomech 2012; 45(11): 1881-5.
  39. Wirth K, Hartmann H, Mickel C, Szilvas E, Keiner M, Sander A. Core stability in athletes: A critical analysis of current guidelines. Sports Med 2017; 47(3): 401-14.
  40. Moritani T, de Vries HA. Neural factors versus hypertrophy in the time course of muscle strength gain. Am J Phys Med 1979; 58(3): 115-30.
  41. Kinakin K. Optimal muscle training. Champaign, IL: Human Kinetics; 2004.
  42. Sander A, Keiner M, Wirth K, Schmidtbleicher D. Influence of a 2-year strength training programme on power performance in elite youth soccer players. Eur J Sport Sci 2013; 13(5): 445-51.
  43. Fatouros I, Jamurtas T, Leontsini D, Taxildaris K, Aggeloussis N, Kostopoulos N, et al. Evaluation of plyometric exercise training, weight training, and their combination on vertical jumping performance and leg strength. J Strength Cond Res 2000; 14(4): 470-6.
  44. Wong PL, Chamari K, Wisloff U. Effects of 12-week on-field combined strength and power training on physical performance among U-14 young soccer players. J Strength Cond Res 2010; 24(3): 644-52.
  45. Cappa DF, Behm DG. Neuromuscular characteristics of drop and hurdle jumps with different types of landings. J Strength Cond Res 2013; 27(11): 3011-20.
  46. Johnson BA, Salzberg CL, Stevenson DA. A systematic review: Plyometric training programs for young children. J Strength Cond Res 2011; 25(9): 2623-33.
  47. Meylan C, Malatesta D. Effects of in-season plyometric training within soccer practice on explosive actions of young players. J Strength Cond Res 2009; 23(9): 2605-13.
  48. Sheppard JM, Young WB. Agility literature review: Classifications, training and testing. J Sports Sci 2006; 24(9): 919-32.
  49. Holm I, Tveter AT, Fredriksen PM, Vollestad N. A normative sample of gait and hopping on one leg parameters in children 7-12 years of age. Gait Posture 2009; 29(2): 317-21.
  50. Cavaco B, Sousa N, Dos Reis VM, Garrido N, Saavedra F, Mendes R, et al. Short-term effects of complex training on agility with the ball, speed, efficiency of crossing and shooting in youth soccer players. J Hum Kinet 2014; 43: 105-12.
  • Receive Date: 13 July 2020
  • Revise Date: 02 June 2022
  • Accept Date: 22 May 2022