An Investigation of the Effects of Speed and Body Fat Percentage on Agility Performance in Young Female Soccer Players

Öz

The objective of this study is to examine the impact of speed and body fat percentage values on agility performance in young female footballers. The study's sample group consists of 30 volunteers aged 13–16 who actively participate in sports in the Galatasaray Women's Football Youth Teams. The athletes' height and body weight were measured using SECA measuring devices, and their body fat percentage was determined using an Inbody 270S body composition analyser. Sprint performance was measured using a 30-metre sprint test, and agility performance using a 505 agility test. The data were analysed using the SPSS 20.0 programme. The normality of the data was established through the implementation of the Shapiro-Wilk test, and subsequent to the confirmation of the suitability of the conditions for parametric tests, Pearson's correlation analysis was conducted. The findings of the present study indicate that no statistically significant relationship was observed between body fat percentage and agility (r=0.047; p>0.05) or between agility and speed (r=0.133; p>0.05). Furthermore, no significant correlation was identified between body fat percentage and speed (r=0.275; p>0.05). In conclusion, this study found no significant relationships between the examined parameters.

Anahtar Kelimeler

• Football
• Speed
• Agility
• Performance
• Body fat percentage

Destekleyen Kurum

This research received no external funding.

Etik Beyan

This study was approved by the Ethics Committee of Istanbul Gelisim University (Date: 18 March 2026; Approval No: 2026-04) and was conducted in accordance with the principles of the Declaration of Helsinki. Written informed consent was obtained from the parents or legal guardians of all participants prior to data collection.

Teşekkür

The author would like to thank the athletes of the youth teams of Galatasaray Women’s Football Club and their families for their voluntary participation, as well as the club’s coaching and technical staff for their support during the data collection process.

An Investigation of the Effects of Speed and Body Fat Percentage on Agility Performance in Young Female Soccer Players

Öz

The objective of this study is to examine the impact of speed and body fat percentage values on agility performance in young female footballers. The study's sample group consists of 30 volunteers aged 13–16 who actively participate in sports in the Galatasaray Women's Football Youth Teams. The athletes' height and body weight were measured using SECA measuring devices, and their body fat percentage was determined using an Inbody 270S body composition analyser. Sprint performance was measured using a 30-metre sprint test, and agility performance using a 505 agility test. The data were analysed using the SPSS 20.0 programme. The normality of the data was established through the implementation of the Shapiro-Wilk test, and subsequent to the confirmation of the suitability of the conditions for parametric tests, Pearson's correlation analysis was conducted. The findings of the present study indicate that no statistically significant relationship was observed between body fat percentage and agility (r=0.047; p>0.05) or between agility and speed (r=0.133; p>0.05). Furthermore, no significant correlation was identified between body fat percentage and speed (r=0.275; p>0.05). In conclusion, this study found no significant relationships between the examined parameters. In conclusion, this study found no significant relationships between the examined parameters.

Anahtar Kelimeler

• Football
• Speed
• Agility
• Performance
• Body Fat Percentage

Kaynakça

1. Altmann, S., Ringhof, S., Neumann, R., Woll, A., & Rumpf, M. C. (2019). Validity and reliability of speed tests used in soccer: A systematic review. PLOS ONE, 14(8), Article e0220982. https://doi.org/10.1371/journal.pone.0220982
2. Arı, Y., Sevinç, K., Arslan, K., Kantemür, F., & Gürbüz, M. A. (2024). The relationship between body fat percentage and anthropometric and motor performance characteristics in soccer players. Journal of Sports and Recreation for Everyone, 6(2), 130–135. https://doi.org/10.56639/jsar.1462782
3. Büyüköztürk, Ş. (2007). Handbook of data analysis for the social sciences [Sosyal Bilimler için veri analizi el kitabı]. Pegem Akademi.
4. Campa, F., Semprini, G., Júdice, P. B., Messina, G., & Toselli, S. (2019). Anthropometry, physical and movement features, and repeated-sprint ability in soccer players. International Journal of Sports Medicine, 40(2), 100–109. https://doi.org/10.1055/a-0781-2473
5. Chaalali, A., Rouissi, M., Chtara, M., Owen, A., Bragazzi, N. L., Moalla, W., & Chamari, K. (2016). Agility training in young elite soccer players: Promising results compared to change of direction drills. Biology of Sport, 33(4), 345–351.
6. Çelik, S., Erikoğlu Örer, G., Diler, K., & Yelken, M. E. (2022). An investigation of the relationship between body fat percentage and speed and vertical jump performance in soccer players. Gazi Journal of Physical Education and Sports Sciences, 27(4), 313–332. https://doi.org/10.53434/gbesbd.1134779
7. Cohen, J. (1988). Statistical power analysis for the behavioral sciences (2nd ed.). Lawrence Erlbaum Associates.
8. De Marco, K., Lyons, M., Joyce, C., & Conlon, J. A. (2024). The relationship between relative lower-body strength, sprint and change of direction ability in elite youth female soccer athletes. International Journal of Sports Science & Coaching, 19(2), 805–811. https://doi.org/10.1177/17479541231180329

9. Faul, F., Erdfelder, E., Buchner, A., & Lang, A. G. (2009). Statistical power analyses using G*Power 3.1: Tests for correlation and regression analyses. Behavior Research Methods, 41(4), 1149–1160. https://doi.org/10.3758/BRM.41.4.1149
10. França, C., Gouveia, É. R., Martins, F., Ihle, A., Henriques, R., Marques, A., Sarmento, H., Przednowek, K., & Lopes, H. (2024). Lower-body power, body composition, speed, and agility performance among youth soccer players. Sports, 12(5), Article 135. https://doi.org/10.3390/sports12050135
11. Harriss, D. J., & Atkinson, G. (2015). Ethical standards in sport and exercise science research: 2016 update. International Journal of Sports Medicine, 36(14), 1121–1124. https://doi.org/10.1055/s-0035-1565186
12. Heyward, V. H., & Wagner, D. R. (2004). Applied body composition assessment (2nd ed.). Human Kinetics.
13. International Society for the Advancement of Kinanthropometry (ISAK). (2019). International standards for anthropometric assessment.
14. Karasar, N. (2011). Scientific research methods [Bilimsel araştırma yöntemi]. Nobel Kitabevi.
15. Konarski, J. M., Skrzypczak, M., Freitas, D., & Malina, R. M. (2024). Influence of body size and skeletal maturity status on strength and motor performances of soccer players 9–16 years. Scientific Reports, 14, Article 4768. https://doi.org/10.1038/s41598-024-55042-4
16. Little, T., & Williams, A. G. (2005). Specificity of acceleration, maximum speed, and agility in professional soccer players. Journal of Strength and Conditioning Research, 19(1), 76–78. https://doi.org/10.1519/00124278-200502000-00013
17. Nimphius, S., Callaghan, S. J., Bezodis, N. E., & Lockie, R. G. (2018). Change of direction and agility tests: Challenging our current measures of performance. Strength & Conditioning Journal, 40(1), 26–38. https://doi.org/10.1519/ssc.0000000000000309
18. Özkan, A., Kayıhan, G., Köklü, Y., Ergun, N., Koz, M., Ersöz, G., & Dellal, A. (2012). The relationship between body composition, anaerobic performance and sprint ability of amputee soccer players. Studies in Physical Culture and Tourism, 19(4), 141–146. https://doi.org/10.2478/v10078-012-0088-3
19. Reilly, T., Bangsbo, J., & Franks, A. (2000). Anthropometric and physiological predispositions for elite soccer. Journal of Sports Sciences, 18(9), 669–683. https://doi.org/10.1080/02640410050120050
20. Sevim, Y. (1997). Antrenman bilgisi. Tutibay.
21. Sheppard, J. M., & Young, W. B. (2006). Agility literature review: Classifications, training and testing. Journal of Sports Sciences, 24(9), 919–932. https://doi.org/10.1080/02640410500457109