Physical fitness changes among amateur soccer players: effects of the pre-season period

1. Baker D. (2011) Recent trends in highintensity aerobic training for field sports. J. Strength Cond. Res., 22: 3–8. Search in Google Scholar

2. Bangsbo J., Mohr M., Krustrup P. (2006) Physical and metabolic demands of training and match-play in the elite football player. J. Sports Sci., 24(7): 665–674. DOI: 10.1080/02640410500482529.10.1080/0264041050048252916766496 Search in Google Scholar

3. Bizati O. (2016) Physical and physiological characteristics of an Elite soccer team’s players according to playing positions. Anthropologist., 26(3): 175–80. DOI: 10.1080/09720073.2016.11892146.10.1080/09720073.2016.11892146 Search in Google Scholar

4. Blas X., Padullés J., Amo J., Balic M. (2007) Creation and Validation of Chronojump-Boscosystem: A Free Tool to Measure Vertical Jumps. Int. J. Sport. Sci., 30(8): 334– 356. DOI: 10.5232/ricyde2012.03004.10.5232/ricyde2012.03004 Search in Google Scholar

5. Boone J., Vaeyens R., Steyaert A., Bossche L., Bourgois J. (2012) Physical Fitness of Elite Belgian Soccer Players By Player Position. J. Strength Cond. Res./Natl. Strength Cond. Assoc., 26(8): 2051–257. DOI: 10.1519/JSC.0b013e318239f84f.10.1519/JSC.0b013e318239f84f21986697 Search in Google Scholar

6. Caldwell B., Peters D. (2009) Seasonal Variation in Physiological Fitness of a Semiprofessional Soccer Team. J. Strength Cond. Res., 23(5): 1370–77. DOI: 10.1519/JSC.0b013e3181a4e82f.10.1519/JSC.0b013e3181a4e82f19620929 Search in Google Scholar

7. Casajús J. (2001) Seasonal variation in fitness variables in professional soccer player. J. Sports Med. Phys. Fitness, 41(9): 463. Search in Google Scholar

8. Clemente F.M., Owen A., Serra-Olivares J., Nikolaidis P.T., Van Der Linden C.M.I., Mendes B. (2019) Characterization of the Weekly External Load Profile of Professional Soccer Teams from Portugal and the Netherlands. J. Hum. Kinet., 66(1): 155–164. DOI: 10.2478/hukin-2018-0054.10.2478/hukin-2018-0054645857830988849 Search in Google Scholar

9. Clemente F.M., Seerden G., van der Linden C.M.I. (2019) Quantifying the physical loading of five weeks of pre-season training in professional soccer teams from Dutch and Portuguese leagues. Physiol. Behav., 209: 112588. DOI: 10.1016/j.physbeh.2019.112588.10.1016/j.physbeh.2019.11258831247242 Search in Google Scholar

10. Clemente F.M., Silva R., Castillo D., Arcos A.L., Mendes B. (2020) Weekly Load Variations of Distance-Based Variables in Professional Soccer Players: A Full-Season Study. Int. J. Environ. Res. Public Health, 17(9): 3300. DOI: 10.3390/ijerph17093300.10.3390/ijerph17093300724643632397398 Search in Google Scholar

11. Foster C. (1998) Monitoring training in athletes with reference to overtraining syndrome. Med. Sci. Sports Exerc., 30: 1164–1168. DOI: 10.1097/00005768-199807000-00023.10.1097/00005768-199807000-000239662690 Search in Google Scholar

12. Gabbett T.J. (2016) The training-injury prevention paradox: Should athletes be training smarter and harder? Br. J. Sports Med., 50(5): 273–80. DOI: 10.1136/bjsports-2015-095788.10.1136/bjsports-2015-095788478970426758673 Search in Google Scholar

13. Harper D.J., Carling C., Kiely J. (2019) High-Intensity Acceleration and Deceleration Demands in Elite Team Sports Competitive Match Play: A Systematic Review and Meta-Analysis of Observational Studies. Sport. Med., 49(12): 1923-1947. DOI: 10.1007/s40279-019-01170-1.10.1007/s40279-019-01170-1685104731506901 Search in Google Scholar

14. Haugen T.A. (2018) Soccer seasonal variations in sprint mechanical properties and vertical jump performance. Kinesiology, 50: 102–108. Search in Google Scholar

15. Kelly R.A., Collins K. (2018) The seasonal variations in anthropometric and performance characteristics of elite intercounty gaelic football players. J. Strength Cond. Res., 32(12): 3466–3473. DOI: 10.1519/jsc.0000000000001861.10.1519/JSC.000000000000186128234717 Search in Google Scholar

16. Kelly V., Wood A. (2013) The correlation between the 30–15 intermittent fitness test and a novel test of running performance. J. Aust. Strength Cond., 21(1): 91–94. Search in Google Scholar

17. Leão C., Camões M., Clemente F.M., Nikolaidis P.T., Lima R., Bezerra P., Rosemann T., Knechtle B. (2019) Anthropometric Profile of Soccer Players as a Determinant of Position Specificity and Methodological Issues of Body Composition Estimation. Int. J. Environ. Res. Public Health, 16(13): 2386. DOI: 10.3390/ijerph16132386.10.3390/ijerph16132386665137831284403 Search in Google Scholar

18. Los Arcos A., Castillo D., Martínez-Santos R. (2018) Influence of initial performance level and tactical position on the aerobic fitness in soccer players after pre-season period. Sci. Med. Footb., 2(4): 294–298 DOI: 10.1080/24733938.2018.1451652.10.1080/24733938.2018.1451652 Search in Google Scholar

19. Magal M., Smith R., Dyer J., Hoffman J. (2006) Seasonal Variation in Physical Performance-Related Variables in Male NCAA Division III Soccer Players. J. Strength Cond. Res./Natl. Strength Cond. Assoc., 20(4): 874–881. DOI: 10.1519/JSC.0b013e3181b3ddbf.10.1519/JSC.0b013e3181b3ddbf19910819 Search in Google Scholar

20. Malone J.J., Di Michele R., Morgans R., Burgess D., Morton J.P., Drust B. (2015) Seasonal Training-Load Quantification in Elite English Premier League Soccer Players. Int. J. Sports Physiol. Perform., 10(4): 489–497. DOI: 10.1123/ijspp.2014-0352.10.1123/ijspp.2014-035225393111 Search in Google Scholar

21. Meckel Y., Doron O., Eliakim E., Eliakim A. (2018) Seasonal Variations in Physical Fitness and Performance Indices of Elite Soccer Players. Sports, 6(1): 14. DOI: 10.3390/sports6010014.10.3390/sports6010014596919329910318 Search in Google Scholar

22. Metaxas T., Sendelides T., Koutlianos N., Mandroukas K. (2006) Seasonal variation of aerobic performance in soccer players according to positional role. J. Sports Med. Phys. Fitness, 46(4): 520–525. Search in Google Scholar

23. Mohr M., Krustrup P., Bangsbo J. (2003) Match performance of high-standard soccer players with special reference to development of fatigue. J. Sports Sci., 21(7): 519–528. DOI: 10.1080/0264041031000071182.10.1080/026404103100007118212848386 Search in Google Scholar

24. Nicol C., Avela J., Komi P.V. (2006) The stretch-shortening cycle: A model to study naturally occurring neuromuscular fatigue. Sport Med., 36(11): 977–99. DOI: 10.2165/00007256-200636110-00004.10.2165/00007256-200636110-0000417052133 Search in Google Scholar

25. Nimphius S., Callaghan S.J., Spiteri T., Lockie R.G. (2016) Change of Direction Deficit: A More Isolated Measure of Change of Direction Performance Than Total 505 Time. J. Strength Cond. Res., 30(11): 3024–32. DOI: 10.1519/JSC.0000000000001421.10.1519/JSC.000000000000142126982972 Search in Google Scholar

26. Nygaard Falch H., Guldteig Rædergård H., van den Tillaar R. (2019) Effect of Different Physical Training Forms on Change of Direction Ability: a Systematic Review and Meta-analysis. Sports Med. – Open, 5(1): 1-37. DOI: 10.1186/s40798-019-0223-y.10.1186/s40798-019-0223-y692330231858292 Search in Google Scholar

27. Pickering C., Kiely J. (2019) Do Non-Responders to Exercise Exist – and If So, What Should We Do About Them? Sports Med., 49(1): 1–7. DOI: 10.1007/s40279-018-01041-1.10.1007/s40279-018-01041-1634978330560423 Search in Google Scholar

28. Powers S., Howley E. (2014) Exercise Physiology: Theory and Application to Fitness and Performance. New York: Manole. 8th ed. ISBN: 978-85-204-3676-9. Search in Google Scholar

29. Reilly T., George K., Marfell-Jones M., Scott M., Sutton L., Wallace J.A. (2009) How well do skinfold equations predict percent body fat in elite soccer players? Int. J. Sports Med., 30(8): 607–613. DOI: 10.1055/s-0029-1202353.10.1055/s-0029-120235319301213 Search in Google Scholar

30. Requena B., García I., Suárez-Arrones L., Sáez De Villarreal E., Naranjo Orellana J., Santalla A. (2017) Off-Season Effects on Functional Performance, Body Composition, and Blood Parameters in Top-Level Professional Soccer Players. J. Strength Cond. Res., 31(4): 939–946. DOI: 10.1519/JSC.0000000000001568.10.1519/JSC.000000000000156827438062 Search in Google Scholar

31. Ruivo R.M., Carita A.I., Pezarat-Correia P. (2016) Effects of a 16-week strength-training program on soccer players. Sci. Sport, 31(5): e107–13. DOI: 10.1016/j. scispo.2016.02.008. Search in Google Scholar

32. Silva J.R., Nassis G.P., Rebelo A. (2015) Strength training in soccer with a specific focus on highly trained players. Sports Med. – Open, 1(1): 1-27 DOI: 10.1186/s40798-015-0006-z.10.1186/s40798-015-0006-z500557026284158 Search in Google Scholar

33. Slimani M., Znazen H., Miarka B., Bragazzi N.L. (2019) Maximum Oxygen Uptake of Male Soccer Players According to their Competitive Level, Playing Position and Age Group: Implication from a Network Meta-Analysis. J. Hum. Kinet., 66(1): 233–245. DOI: 10.2478/hukin-2018-0060.10.2478/hukin-2018-0060645857130988857 Search in Google Scholar

34. Stewart P.F., Turner A.N., Miller S.C. (2014) Reliability, factorial validity, and interrelationships of five commonly used change of direction speed tests. Scand. J. Med. Sci. Sport, 24(3): 500–506. DOI: 10.1111/sms.12019.10.1111/sms.1201923176602 Search in Google Scholar

35. Urquhart M., Bishop C., Turner A.N. (2018) Validation of a crane scale for the assessment of portable isometric mid-thigh pulls. J. Aust. Strength Cond., 25(5): 28–33. DOI: 10.13140/RG.2.2.26752.48642. Search in Google Scholar

36. Wang R., Hoffman J.R., Tanigawa S., Miramonti A.A., La Monica M.B., Beyer K.S., Church D.D., Fukuda D.H., Stout J.R. (2016) Isometric Mid-Thigh Pull Correlates With Strength, Sprint, and Agility Performance in Collegiate Rugby Union Players. J. Strength Cond. Res., 30(11): 3051–3056. DOI: 10.1519/JSC.0000000000001416.10.1519/JSC.000000000000141626982977 Search in Google Scholar

37. Wik E.H., Auliffe S.M., Read P.J. (2018) Examination of Physical Characteristics and Positional Differences in Professional Soccer Players in Qatar. Sports, 7(1): 9. DOI: 10.3390/sports7010009.10.3390/sports7010009635879430602694 Search in Google Scholar

38. Windt J., Gabbett T.J., Ferris D., Khan K.M. (2017) Training load-Injury paradox: Is greater preseason participation associated with lower in-season injury risk in elite rugby league players? Br. J. Sports Med., 51(8): 645–650. DOI: 10.1136/bjsports-2016-095973.10.1136/bjsports-2016-09597327075963 Search in Google Scholar

39. Wisløff U., Castagna C., Helgerud J., Jones R., Hoff J. (2004) Strong correlation of maximal squat strength with sprint performance and vertical jump height in elite soccer players. Br. J. Sports Med., 38(3): 285–288. DOI: 10.1136/bjsm.2002.002071.10.1136/bjsm.2002.002071172482115155427 Search in Google Scholar

40. Wong P-L., Chaouachi A., Chamari K., Dellal A., Wisløff U. (2010) Effect of Preseason Concurrent Muscular Strength and High-Intensity Interval Training in Professional Soccer Players. J. Strength Cond. Res., 24(3): 653–60. DOI: 10.1519/JSC.0b013e3181aa36a2.10.1519/JSC.0b013e3181aa36a219816215 Search in Google Scholar