Effect of Different Strength Training Modalities on Maximal Strength and Power in Semi-Professional Football Players
Vol.19,No.1(2025)
Ivan Serafin
Tomáš Vencúrik
Dominik Bokůvka
Jiří Nykodým
The study provides an innovative perspective on comparing two training modalities of strength training to evaluate the effectiveness in enhancing maximal strength and power of lower limb strength. Our study aimed to examine the effects of eccentric and concentric strength training on the development of maximal lower-limb strength and power in semi-professional football players. The study involved 28 players (age 21.7 ± 2.1 years, body height 180.1 ± 4.6 cm, body weight 75.9 ± 7.2 kg) divided into eccentric (ECC), concentric (CON), and control (CONTR) groups. The eight-week training intervention targeted the knee extensors and flexors. Knee flexor strength was developed using the lying leg curl machine, and knee extensor strength using the seated leg extension machine. The concentric group trained with the maximal effort method, while the eccentric group applied the 2/1 eccentric method. The results showed significant improvements in maximal strength of the extensors (CON +19.4%, p < 0.001, d = 1; ECC +19.42%, p < 0.001, d = 0.89) and improvements, but not significant (p = 0.11, ηp2 = 0.16), of the flexors (CON +12.81%, ECC +12.14%) of the knee joint. No significant improvement in power (p = 0.11, ηp2 = 0.16) was observed, measured by standing broad jump performance. These findings highlight the specificity of training adaptations, where improvements in maximal strength may not directly translate into enhanced power. The study emphasizes the importance of both training modalities due to their sport-specific benefits for football, such as acceleration, changing direction, positive effects on muscle architecture, and injury prevention.
intervention; concentric and eccentric strength; performance testing; team sports
Tomáš Vencúrik
Faculty of Sports Studies, Masaryk University, Brno
Odborný asistent
Katedra sportovních her
Fakulta sportovních studií
Al Attar, W. S. A., Soomro, N., Sinclair, P. J., & Sanders, R. H. (2017). Effect of injury prevention programs that include the Nordic hamstring exercise on hamstring injury rates in soccer players: A systematic review and meta-analysis. Sports Medicine, 47(5), 907–916. https://doi.org/10.1007/s40279-016-0638-2
Baechle, T. R., & Earle, R. W. (Eds.). (2008). Essentials of strength training and conditioning (3rd ed.). Champaign, IL: Human Kinetics. ISBN 978-0-7360-5803-2.
Bino George C., Murugavel K. (2024). Comparative effects of varying intensities of resistance training on explosive strength and explosive power in soccer players. International Journal of Physical Education, Sports and Health. 2024;11(6):228-233
Cohen J. Statistical Power Analysis for the Behavioral Sciences. Routledge; 1988.
Cormie, P., McGuigan, M. R., & Newton, R. U. (2011). Developing maximal neuromuscular power. Sports Medicine, 41(1), 17–38. https://doi.org/10.2165/11537690-000000000-00000
Cormie, P., McGuigan, M. R., & Newton, R. U. (2010). Changes in the eccentric phase contribute to improved stretch–shorten cycle performance after training. Medicine & Science in Sports & Exercise. https://doi.org/10.1249/MSS.0b013e3181d392e8
Darragi, M., Zouhal, H., Bousselmi, M., et al. (2024). Effects of in-season strength training on physical fitness and injury prevention in North African elite young female soccer players. Sports Medicine - Open, 10, 94. https://doi.org/10.1186/s40798-024-00762-0
Douglas, J., Pearson, S., Ross, A., & McGuigan, M. (2017). Chronic adaptations to eccentric training: A systematic review. Sports Medicine, 47(5), 917–941. https://doi.org/10.1007/s40279-016-0628-4
Hedayatpour, N., & Falla, D. (2015). Physiological and neural adaptations to eccentric exercise: Mechanisms and considerations for training. BioMed Research International, 2015(193741), 1–7. https://doi.org/10.1155/2015/193741
Hoff, J., & Helgerud, J. (2004). Endurance and strength training for soccer players. Sports Medicine, 34(3), 165–180. https://doi.org/10.2165/00007256-200434030-00003
Chaouachi, A., Manzi, V., Chaalali, A., Wong, P. D., Chamari, K., & Castagna, C. (2012). Determinants analysis of change-of-direction ability in elite soccer players. Journal of Strength and Conditioning Research, 26(10), 2667–2676.
Lehance, C., Binet, J., Bury, T., & Croisier, J. L. (2009). Muscular strength, functional performances and injury risk in professional and junior elite soccer players. Scandinavian Journal of Medicine & Science in Sports, 19(2), 243–251. https://doi.org/10.1111/j.1600-0838.2008.00780.x
Maly, T., Zahalka, F., & Mala, L. (2014). Muscular strength and strength asymmetries in elite and sub-elite professional soccer players. Sport Science, 7(1), 26–33.
Marin-Jimenez, N., Perez-Bey, A., Cruz-Leon, C., Conde-Caveda, J., Segura-Jimenez, V., Castro-Piñero, J., & Cuenca-Garcia, M. (2024). Criterion-related validity and reliability of the standing long jump test in adults: The Adult-Fit project. European Journal of Sport Science, 24(9), 1379–1392. https://doi.org/10.1002/ejsc.12182
Markovic, G., & Mikulic, P. (2010). Neuro-musculoskeletal and performance adaptations to lower-extremity plyometric training. Sports Medicine, 40(10), 859–895. https://doi.org/10.2165/11318370-000000000-00000
McBride, J. M., Triplett-McBride, T., Davie, A., & Newton, R. U. (2002). The effect of heavy- vs. light-load jump squats on the development of strength, power, and speed. Journal of Strength and Conditioning Research, 16(1), 75–82.
McKinlay, B. J., Wallace, P., Dotan, R., Long, D., Tokuno, C., Gabriel, D. A., & Falk, B. (2018). Effects of plyometric and resistance training on muscle strength, explosiveness, and neuromuscular function in young adolescent soccer players. Journal of Strength and Conditioning Research, 32(11), 3039–3050. https://doi.org/10.1519/JSC.0000000000002428
Moore, E. W. G., Hickey, M. S., & Reiser, R. F., II. (2005). Comparison of two twelve-week off-season combined training programs on entry level collegiate soccer players’ performance. Journal of Strength and Conditioning Research, 19(4), 791–798.
Paul, D. J., & Nassis, G. P. (2015). Testing strength and power in soccer players: The of conventional and traditional methods of assessment. Journal of Strength and Conditioning Research, 29(6), 1748–1758. https://doi.org/10.1519/JSC.0000000000000807
Roig, M., O’Brien, K., Kirk, G., Murray, R., McKinnon, P., Shadgan, B., & Reid, W. D. (2009). The effects of eccentric versus concentric resistance training on muscle strength and mass in healthy adults: A systematic review with meta-analysis. British Journal of Sports Medicine, 43(8), 556–568. https://doi.org/10.1136/bjsm.2008.051417
Schoenfeld, B. J., Ogborn, D., Vigotsky, A. D., Franchi, M. V., & Krieger, J. W. (2017). Hypertrophic effects of concentric vs. eccentric muscle actions: A systematic review and meta-analysis. Journal of Strength and Conditioning Research, 31(9), 2599–2608. https://doi.org/10.1519/JSC.0000000000001983
Spiteri, T., Nimphius, S., Hart, N. H., Specos, C., Sheppard, J. M., & Newton, R. U. (2014). Contribution of strength characteristics to change of direction agility performance in female basketball athletes. Journal of Strength and Conditioning Research, 28(9), 2415–2423. https://doi.org/10.1519/JSC.0000000000000547
Sporiš, G., Milanović, Z., Trajković, N., & Joksimović, A. (2011). Correlation between speed, agility and quickness (SAQ) in elite young soccer players. Acta Kinesiologica, 5(2), 36–41.
Suchomel, T. J., Wagle, J. P., Douglas, J., Taber, C. B., Harden, M., Haff, G. G., & Stone, M. H. (2019). Implementing eccentric resistance training—Part 2: Practical recommendations. Journal of Functional Morphology and Kinesiology, 4(3), 55. https://doi.org/10.3390/jfmk4030055
Wong, P.-L., Chamari, K., & Wisløff, U. (2010). Effects of 12-week on-field combined strength and power training on physical performance among U-14 young soccer players. Journal of Strength and Conditioning Research, 24(3), 644–652. https://doi.org/10.1519/JSC.0b013e3181ad3349
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