Research Article
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Investigation of the relationship between reactive strength index and body composition in young male kickboxer

Year 2025, Volume: 7 Issue: 1, 137 - 143, 28.03.2025
https://doi.org/10.56639/jsar.1640207

Abstract

Biomotor characteristics and body composition are among the factors influencing athletic performance. This study aimed to examine the relationship between the reactive strength index (RSI) and body composition in young male kickboxers. A total of 22 young male kickboxers (age: 15.23±1.19 years) voluntarily participated in the study. The study was designed as a correlational cross-sectional research model. RSI and body composition measurements were conducted on the participants. SPSS 25.0 package program was used in the statistical analysis of the data. The Shapiro-Wilk test was applied to determine the normality of the data, and it was found that the data had a normal distribution. Pearson correlation analysis was used to examine the relationships between variables. According to the correlation test findings, positive and significant relationships were found between RSI and lean mass ratio (r=.450; p=.036), muscle ratio (r=.453; p=.034), fluid ratio (r=.500; p=.018), and mineral ratio (r=.449; p=.036). A negative and significant relationship was found between RSI and fat ratio (r=-.450; p=.036). As the lean mass, muscle, fluid, and mineral ratios increase, RSI increases, whereas an increase in fat ratio leads to a decrease in RSI. Focusing on resistance training to increase lean body mass and implementing nutrition strategies that maintain hydration and mineral balance may enhance RSI performance. Therefore, it is recommended that training programs for athletes include strategies to improve body composition.

References

  • Anwar, S. & Noohu, M.M. (2016). Üniversite futbolcularında vücut yağ yüzdesi ve kas kütlesinin anaerobik ve aerobik performansla korelasyonu. Indian J. Physiol. Pharmacol, 60(2), 137-144.
  • Apti, A. (2010). 10-18 yaş erkek futbolcularda somatotip ve vücut kompozisyonunun aerobik performans ve yaşanan sportif yaralanmalar ile ilişkisinin değerlendirilmesi. Fırat Tıp Dergisi, 15(3), 118-122.
  • Arı, Y., Sevinç, K., Arslan, K., Kantemür, F., & Gürbüz, M. A. (2024). Futbolcuların vücut yağ yüzdesi ile antropometrik ve motorik performans özellikleri arasındaki ilişki. Herkes için Spor ve Rekreasyon Dergisi, 6(2), 130-135. https://doi.org/10.56639/jsar.1462782
  • Atakan, M. M., Ünver, E., Güzel, Y., Aktitiz, S., & Turnagöl, H. H. (2022). Association of body composition with leg strength, balance capacity and drop jump ability in capoeira athletes: a pilot study. Spormetre: The Journal of Physical Education & Sport Sciences, 20(3), 118-127. https://doi.org/10.33689/spormetre.1093293
  • Boostani, M. H., Boostani, M. A., & Rezaei, A. M. (2011). Talent identification in sport. JCSMA, 2(2), 137-141. https://doi.org/10.5604/20815735.1047147
  • Bosco, C., & Komi, P. V. (1980). Influence of aging on the mechanical behavior of leg extensor muscles. European Journal of Applied Physiology and Occupational Physiology, 45(2-3), 209-219. https://doi.org/10.1007/BF00421329
  • Brown, L., & Ferrigno, V. (Eds.). (2014). Training for speed, agility, and quickness, 3E. Human Kinetics. https://doi.org/10.5040/9781718225749
  • Cheuvront, S. N., Carter, R., & Sawka, M. N. (2008). Fluid balance and endurance performance. Sports Medicine, 38(1), 1-8. https://doi.org/10.1249/00149619-200308000-00006
  • Ciacci, S., Nigro, F., & Bartolomei, S. (2023). A new method for evaluating the reactive strength ındex in track and field sprinting: relationships with muscle architecture. Applied Sciences, 14(8), 3232. https://doi.org/10.3390/app14083232
  • Creswell, J. W., & Creswell, J. D. (2017). Research design: Qualitative, quantitative, and mixed methods approaches. Sage Publications: New York, NY, USA.
  • Ebben, W. P., & Petushek, E. J. (2010). Using the reactive strength index modified to evaluate plyometric performance. The Journal of Strength & Conditioning Research, 24(8), 1983-1987. https://doi.org/10.1519/JSC.0b013e3181e72466
  • Esco, M. R., Fedewa, M. V., Cicone, Z. S., Sinelnikov, O. A., Sekulic, D., & Holmes, C. J. (2018). Field-based performance tests are related to body fat percentage and fat-free mass, but not body mass index, in youth soccer players. Sports, 6(4), 105. https://doi.org/10.3390/sports6040105
  • 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), 1149–60. http://dx.doi.org/10.3758/brm.41.4.1149
  • Genç, A., & Bilici, M. F., (2019). Dayanıklılık antrenmanının kadın kayaklı koşu sporcularının bazı serum lipit düzeyleri üzerindeki etkisi. Beden Eğitimi ve Spor Bilimleri Dergisi, 21(4), 69-74.
  • Horn, C., Klahr, D., Mokha, M., Antonio, J., Peacock, C., & Bommarito, P. (2018). Relationship of reactive strength and body composition in elite american football players. ISBS Proceedings Archive, 36(1), 642.
  • İmer, M., Yapıcı, A., Akol, T., & Atabaş, E. G. (2019). Türkiye üniversiteler arası şampiyonasına katılan güreş ve kick boks sporcularının motorik ve fizyolojik özelliklerinin karşılaştırılması. 2. Uluslararası Herkes İçin Spor ve Sağlık Konferansı, s.866. Antalya.
  • Jarvis, P., Turner, A., Read, P., & Bishop, C. (2021). Reactive strength ındex and its associations with measures of physical and sports performance: A systematic review with meta-analysis. Sports Medicine, 52(2), 301-330. https://doi.org/10.1007/s40279-021-01566-y
  • Kahraman, M. Z., & Arslan, E. (2023). The relationship between body composition and biomotor performance parameters in U18 football players. Physical Education of Students, 27(1), 45-52. https://doi.org/10.15561/20755279.2023.0106
  • Kara, S. (2019). Elit grekoromen ve serbest stil güreşçilerde reaktif kuvvet indeksi maksimal kuvvet ve anaerobik güç özelliklerinin karşılaştırılması [Yayınlanmamış Yüksek Lisans Tezi]. Ankara Yıldırım Beyazıt Üniversitesi.
  • Kara, S., & Özal, M. (2022). Investigation and interpretation of maximal and reactive strength index characteristics of 16-17 age group wrestlers. Journal of ROL Sport Sciences, 3(1), 165–178. https://doi.org/10.29228/roljournal.58063
  • Maughan, R. J., & Shirreffs, S. M. (2010). Development of hydration strategies to optimize performance for athletes in high‐intensity sports and in sports with repeated intense efforts. Scandinavian Journal of Medicine & Science in Sports, 20, 59-69. https://doi.org/10.1111/j.1600-0838.2010.01191.x
  • Micheli, M. L., Pagani, L., Marella, M., Gulisano, M., Piccoli, A., Angelini, F., Burtscher, M., & Gatterer, H. (2014). Bioimpedance and impedance vector patterns as predictors of league level in male soccer players. International Journal of Sports Physiology and Performance, 9(3), 532-539. https://doi.org/10.1123/ijspp.2013-0119
  • Mujika, I., Rønnestad, B. R., & Martin, D. T. (2016). Effects of increased muscle strength and muscle mass on endurance-cycling performance. International Journal of Sports Physiology and Performance, 11(3), 283-289. https://doi.org/10.1123/ijspp.2015-0405
  • Newton, R. U., & Kraemer, W. J. (1994). Developing explosive muscular power: Implications for a mixed methods training strategy. Strength and Conditioning Journal, 16(5), 20-31.
  • Okut, S., Kahraman, M. Z., & Sarı, C. (2023). Yıldız erkek boksörlerde 4 haftalık müsabaka öncesi antrenmanların kuvvet, sürat ve vücut kompozisyonuna etkisi. Türk Spor Bilimleri Dergisi, 6(1), 30-36.
  • Özbay, S. (2019). The effects of different types of strength training for recreational purposes on the body composition and strength development of university students. Asian Journal of Education and Training, 5(2), 381-385. https://doi.org/10.20448/journal.522.2019.52.381.385
  • Özkan, A., & Sarol, H. (2008). Dağcılarda vücut kompozisyonu, bacak hacmi, bacak kütlesi, anaerobik performans ve bacak kuvveti arasındaki ilişki. Spormetre Beden Eğitimi ve Spor Bilimleri Dergisi, 6(4), 175-181. https://doi.org/10.1501/Sporm_0000000108
  • Ramirez-Campillo, R., Thapa, R. K., Afonso, J., Perez-Castilla, A., Bishop, C., Byrne, P. J., & Granacher, U. (2023). Effects of Plyometric jump training on the reactive strength index in healthy individuals across the lifespan: Asystematic review with meta-analysis. Sports Medicine, 53(5), 1029-1053. https://doi.org/10.1007/s40279-023-01825-0
  • Sheppard JM. Young WB. (2006). Agility literature review: Classifications, training and testing. Journal of Sports Sciences, 24(9), 919-932. https://doi.org/10.1080/02640410500457109
  • Stratford, C., Dos’Santos, T., & McMahon, J. J. (2020). Comparing drop jumps with 10/5 repeated jumps to measure reactive strength index. Prof. Strength Cond, 57, 23-28.
  • Thomas, C., Jones, P. A., & Comfort, P. (2015). Reliability of the dynamic strength index in college athletes. International Journal of Sports Physiology and Performance, 10(5), 542-545. https://doi.org/10.1123/ijspp.2014-0255
  • Walsh, T. P., Arnold, J. B., Evans, A. M., Yaxley, A., Damarell, R. A., & Shanahan, E. M. (2018). The association between body fat and musculoskeletal pain: a systematic review and meta-analysis. BMC Musculoskeletal Disorders, 19, 1-13. https://doi.org/10.1186/s12891-018-2137-0
  • Wilmore, J. H., & Costill, D. L. (2004). Physiology of sport and exercise. Human Kinetics.
  • Young, W. (1995). Laboratory strength assessment of athletes. New Stud Athlete, 10, 86–96.

Genç Erkek Kick Boks Sporcularında Reaktif Kuvvet İndeksi İle Vücut Kompozisyonu Arasındaki İlişkinin İncelenmesi

Year 2025, Volume: 7 Issue: 1, 137 - 143, 28.03.2025
https://doi.org/10.56639/jsar.1640207

Abstract

Sporcularda biyomotor özellikler ve vücut kompozisyonu atletik performansı etkileyen faktörlerdendir. Bu çalışmada genç erkek kick boks sporcularında reaktif kuvvet indeksi (RKİ) ile vücut kompozisyonu arasındaki ilişkinin incelenmesi amaçlandı. Çalışmaya 22 genç erkek kick boks sporcusu (yaş: 15.23±1.19 yıl) gönüllü olarak katıldı. Çalışma, ilişkisel kesitsel çalışma modelinde tasarlandı. Araştırmaya katılan sporculara RKİ ve vücut analiz ölçümleri uygulandı. Verilerin istatistiksel analizinde SPSS 25.0 paket programı kullanıldı. Verilerin normallik düzeyini belirlemek için Shapiro-Wilk testi uygulandı. Verilerin normal dağılıma sahip olduğu tespit edildi. Verilerin ilişkisel analizinde Pearson korelasyon testi kullanıldı. Korelasyon testi bulgularına göre genç erkek kick boks sporcularında RKİ ile yağsız oran (r=.450; p=.036), kas oranı (r=.453; p=.034), sıvı oranı (r=.500; p=.018) ve mineral oranı (r=.449; p=.036) arasında pozitif yönlü anlamlı ilişkiler tespit edildi. RKİ ile yağ oranı (r=-.450; p=.036) arasında negatif yönlü anlamlı ilişkiler belirlendi. Genç kick boks sporcularında yağsız, kas, sıvı ve mineral oranları arttıkça RKİ artarken yağ oranı arttıkça RKİ azalmaktadır. Sporcuların yağsız vücut kütlesini artırmaya yönelik direnç antrenmanlarına ve hidrasyon ile mineral dengesini koruyacak beslenme stratejilerine odaklanmaları, RKİ performanslarını artırabilir. Bu nedenle, sporcuların antrenman programlarında vücut kompozisyonunu iyileştirmeye yönelik stratejilere yer verilmesi önerilmektedir.

References

  • Anwar, S. & Noohu, M.M. (2016). Üniversite futbolcularında vücut yağ yüzdesi ve kas kütlesinin anaerobik ve aerobik performansla korelasyonu. Indian J. Physiol. Pharmacol, 60(2), 137-144.
  • Apti, A. (2010). 10-18 yaş erkek futbolcularda somatotip ve vücut kompozisyonunun aerobik performans ve yaşanan sportif yaralanmalar ile ilişkisinin değerlendirilmesi. Fırat Tıp Dergisi, 15(3), 118-122.
  • Arı, Y., Sevinç, K., Arslan, K., Kantemür, F., & Gürbüz, M. A. (2024). Futbolcuların vücut yağ yüzdesi ile antropometrik ve motorik performans özellikleri arasındaki ilişki. Herkes için Spor ve Rekreasyon Dergisi, 6(2), 130-135. https://doi.org/10.56639/jsar.1462782
  • Atakan, M. M., Ünver, E., Güzel, Y., Aktitiz, S., & Turnagöl, H. H. (2022). Association of body composition with leg strength, balance capacity and drop jump ability in capoeira athletes: a pilot study. Spormetre: The Journal of Physical Education & Sport Sciences, 20(3), 118-127. https://doi.org/10.33689/spormetre.1093293
  • Boostani, M. H., Boostani, M. A., & Rezaei, A. M. (2011). Talent identification in sport. JCSMA, 2(2), 137-141. https://doi.org/10.5604/20815735.1047147
  • Bosco, C., & Komi, P. V. (1980). Influence of aging on the mechanical behavior of leg extensor muscles. European Journal of Applied Physiology and Occupational Physiology, 45(2-3), 209-219. https://doi.org/10.1007/BF00421329
  • Brown, L., & Ferrigno, V. (Eds.). (2014). Training for speed, agility, and quickness, 3E. Human Kinetics. https://doi.org/10.5040/9781718225749
  • Cheuvront, S. N., Carter, R., & Sawka, M. N. (2008). Fluid balance and endurance performance. Sports Medicine, 38(1), 1-8. https://doi.org/10.1249/00149619-200308000-00006
  • Ciacci, S., Nigro, F., & Bartolomei, S. (2023). A new method for evaluating the reactive strength ındex in track and field sprinting: relationships with muscle architecture. Applied Sciences, 14(8), 3232. https://doi.org/10.3390/app14083232
  • Creswell, J. W., & Creswell, J. D. (2017). Research design: Qualitative, quantitative, and mixed methods approaches. Sage Publications: New York, NY, USA.
  • Ebben, W. P., & Petushek, E. J. (2010). Using the reactive strength index modified to evaluate plyometric performance. The Journal of Strength & Conditioning Research, 24(8), 1983-1987. https://doi.org/10.1519/JSC.0b013e3181e72466
  • Esco, M. R., Fedewa, M. V., Cicone, Z. S., Sinelnikov, O. A., Sekulic, D., & Holmes, C. J. (2018). Field-based performance tests are related to body fat percentage and fat-free mass, but not body mass index, in youth soccer players. Sports, 6(4), 105. https://doi.org/10.3390/sports6040105
  • 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), 1149–60. http://dx.doi.org/10.3758/brm.41.4.1149
  • Genç, A., & Bilici, M. F., (2019). Dayanıklılık antrenmanının kadın kayaklı koşu sporcularının bazı serum lipit düzeyleri üzerindeki etkisi. Beden Eğitimi ve Spor Bilimleri Dergisi, 21(4), 69-74.
  • Horn, C., Klahr, D., Mokha, M., Antonio, J., Peacock, C., & Bommarito, P. (2018). Relationship of reactive strength and body composition in elite american football players. ISBS Proceedings Archive, 36(1), 642.
  • İmer, M., Yapıcı, A., Akol, T., & Atabaş, E. G. (2019). Türkiye üniversiteler arası şampiyonasına katılan güreş ve kick boks sporcularının motorik ve fizyolojik özelliklerinin karşılaştırılması. 2. Uluslararası Herkes İçin Spor ve Sağlık Konferansı, s.866. Antalya.
  • Jarvis, P., Turner, A., Read, P., & Bishop, C. (2021). Reactive strength ındex and its associations with measures of physical and sports performance: A systematic review with meta-analysis. Sports Medicine, 52(2), 301-330. https://doi.org/10.1007/s40279-021-01566-y
  • Kahraman, M. Z., & Arslan, E. (2023). The relationship between body composition and biomotor performance parameters in U18 football players. Physical Education of Students, 27(1), 45-52. https://doi.org/10.15561/20755279.2023.0106
  • Kara, S. (2019). Elit grekoromen ve serbest stil güreşçilerde reaktif kuvvet indeksi maksimal kuvvet ve anaerobik güç özelliklerinin karşılaştırılması [Yayınlanmamış Yüksek Lisans Tezi]. Ankara Yıldırım Beyazıt Üniversitesi.
  • Kara, S., & Özal, M. (2022). Investigation and interpretation of maximal and reactive strength index characteristics of 16-17 age group wrestlers. Journal of ROL Sport Sciences, 3(1), 165–178. https://doi.org/10.29228/roljournal.58063
  • Maughan, R. J., & Shirreffs, S. M. (2010). Development of hydration strategies to optimize performance for athletes in high‐intensity sports and in sports with repeated intense efforts. Scandinavian Journal of Medicine & Science in Sports, 20, 59-69. https://doi.org/10.1111/j.1600-0838.2010.01191.x
  • Micheli, M. L., Pagani, L., Marella, M., Gulisano, M., Piccoli, A., Angelini, F., Burtscher, M., & Gatterer, H. (2014). Bioimpedance and impedance vector patterns as predictors of league level in male soccer players. International Journal of Sports Physiology and Performance, 9(3), 532-539. https://doi.org/10.1123/ijspp.2013-0119
  • Mujika, I., Rønnestad, B. R., & Martin, D. T. (2016). Effects of increased muscle strength and muscle mass on endurance-cycling performance. International Journal of Sports Physiology and Performance, 11(3), 283-289. https://doi.org/10.1123/ijspp.2015-0405
  • Newton, R. U., & Kraemer, W. J. (1994). Developing explosive muscular power: Implications for a mixed methods training strategy. Strength and Conditioning Journal, 16(5), 20-31.
  • Okut, S., Kahraman, M. Z., & Sarı, C. (2023). Yıldız erkek boksörlerde 4 haftalık müsabaka öncesi antrenmanların kuvvet, sürat ve vücut kompozisyonuna etkisi. Türk Spor Bilimleri Dergisi, 6(1), 30-36.
  • Özbay, S. (2019). The effects of different types of strength training for recreational purposes on the body composition and strength development of university students. Asian Journal of Education and Training, 5(2), 381-385. https://doi.org/10.20448/journal.522.2019.52.381.385
  • Özkan, A., & Sarol, H. (2008). Dağcılarda vücut kompozisyonu, bacak hacmi, bacak kütlesi, anaerobik performans ve bacak kuvveti arasındaki ilişki. Spormetre Beden Eğitimi ve Spor Bilimleri Dergisi, 6(4), 175-181. https://doi.org/10.1501/Sporm_0000000108
  • Ramirez-Campillo, R., Thapa, R. K., Afonso, J., Perez-Castilla, A., Bishop, C., Byrne, P. J., & Granacher, U. (2023). Effects of Plyometric jump training on the reactive strength index in healthy individuals across the lifespan: Asystematic review with meta-analysis. Sports Medicine, 53(5), 1029-1053. https://doi.org/10.1007/s40279-023-01825-0
  • Sheppard JM. Young WB. (2006). Agility literature review: Classifications, training and testing. Journal of Sports Sciences, 24(9), 919-932. https://doi.org/10.1080/02640410500457109
  • Stratford, C., Dos’Santos, T., & McMahon, J. J. (2020). Comparing drop jumps with 10/5 repeated jumps to measure reactive strength index. Prof. Strength Cond, 57, 23-28.
  • Thomas, C., Jones, P. A., & Comfort, P. (2015). Reliability of the dynamic strength index in college athletes. International Journal of Sports Physiology and Performance, 10(5), 542-545. https://doi.org/10.1123/ijspp.2014-0255
  • Walsh, T. P., Arnold, J. B., Evans, A. M., Yaxley, A., Damarell, R. A., & Shanahan, E. M. (2018). The association between body fat and musculoskeletal pain: a systematic review and meta-analysis. BMC Musculoskeletal Disorders, 19, 1-13. https://doi.org/10.1186/s12891-018-2137-0
  • Wilmore, J. H., & Costill, D. L. (2004). Physiology of sport and exercise. Human Kinetics.
  • Young, W. (1995). Laboratory strength assessment of athletes. New Stud Athlete, 10, 86–96.
There are 34 citations in total.

Details

Primary Language Turkish
Subjects Sports Training
Journal Section Research Articles
Authors

Muhammed Zahit Kahraman 0000-0003-1295-7611

Serkan Kızılca 0000-0002-0030-7999

Early Pub Date March 26, 2025
Publication Date March 28, 2025
Submission Date February 14, 2025
Acceptance Date March 26, 2025
Published in Issue Year 2025 Volume: 7 Issue: 1

Cite

APA Kahraman, M. Z., & Kızılca, S. (2025). Genç Erkek Kick Boks Sporcularında Reaktif Kuvvet İndeksi İle Vücut Kompozisyonu Arasındaki İlişkinin İncelenmesi. Journal of Sport for All and Recreation, 7(1), 137-143. https://doi.org/10.56639/jsar.1640207

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