Maturity-associated variation in physique, body composition and physical fitness of youth baseball players Hong-Sun Song 1, Kwang-Jun Kim 1, Ki-Hyuk L

Size: px

Start display at page:

Download "Maturity-associated variation in physique, body composition and physical fitness of youth baseball players Hong-Sun Song 1, Kwang-Jun Kim 1, Ki-Hyuk L"

영훈 비
4 years ago
Views:

1 Maturity-associated variation in physique, body composition and physical fitness of youth baseball players Hong-Sun Song 1, Kwang-Jun Kim 1, Ki-Hyuk Lee 2, Peng Zhao 3, Buong-O Chun 4 * 1 Korea Institute of Sport Science, 2 Center for Sport Science in Jeju, 3 Beijing Sport University, & 4 Kyung Hee University [Purpose] [Methods] [Results] [Conclusions] Key words:

3 Table 1. Characteristics of the Subjects Variable Chronological age (CA, month) Skeletal age (SA, month) SA minus CA (month) All (n=112) Primary school (n=49) Middle school (n=63) 154.2± ± ± ± ± ± ± ± ±4.8 Height (cm) 162.0± ± ±7.9 Weight (kg) 57.6± ± ±12.4 BMI (kg/m 2 ) 21.6± ± ±3.4

5 Table 2. Mean scores ± SD for chronological age, skeletal age, anthropometric, and frequencies of skeletal maturity status unit Grade 4 (n=16) Primary school (n=49) Grade 5 (n=16) Grade 6 (n=17) Grade 7 (n=30) Middle school (n=63) Grade 8 (n=23) Grade 9 (n=10) Chronological age (CA) month 123.9± ± ± ± ± ±4.4 Skeletal age (SA) month 135.7± ± ± ± ± ±2.8 SA minus CA month 11.7± ± ± ± ± ±4.46 Height cm 148.6± ± ± ± ± ±3.9 Weight kg 46.2± ± ± ± ± ±8.5 BMI kg/m ± ± ± ± ± ±2.8 Skeletal maturity status f f f f f f Late On-time Early Table 3. Anthropometric profiles of primary school and middle school baseball players classified as on time and early in skeletal maturation unit On-time (n=40) Primary school Early (n=9) p On-time (n=59) Middle school Early (n=4) Skeletal age (SA) year 12.2± ± ± ± Anthropometric & Body composition Height cm 152.8± ± ± ± Weight kg 46.9± ± ± ± Arm span cm 154.9± ± ± ± Thigh volume cm 48.4± ± ± ± Fat mass % 21.4± ± ± ± Muscle mass % 75.5± ± ± ± p

6 Table 4. Physical fitness profiles of primary school and middle school baseball players classified as on time and early in skeletal maturation unit On-time (n=40) Primary school Early (n=9) p On-time (n=59) Middle school Early (n=4) Skeletal age (SA) year 12.2± ± ± ± Muscle Strength Elbow extension strength kg 15.9± ± ± ± Knee extension strength kg 38.2± ± ± ± Back strength kg 65.6± ± ± ± Grip strength kg 25.1± ± ± ± Sit-up n/60s 42.1± ± ± ± Power Vertical jump cm 35.1± ± ± ± Agility Reaction time (sound) 1/1000s.271± ± ± ± Side-steps n/20s 43.6± ± ± ± Flexebility & Coordination Sit and reach cm 7.2± ± ± ± T-wall test n 107.6± ± ± ± Anaerobic Power Avg. Power w/kg 4.4± ± ± ± Power Drop % 63.9± ± ± ± Peak Power w/kg 6.0± ± ± ± Aerobic Power Shuttle run n 45.1± ± ± ± p

9 Armstrong, N., McManus, A. M. (eds), (2011). The Elite Young Athlete. Med Sport Sci. Basel: Karger, 56, pp Baxter-Jones, A, D, G., Eisenmann, J. C., & Sherer, L. B. (2005). Controlling for maturation in pediatric exercise science. Pediatric Exercise Science, 17(1), Beunen, G. P., & Malina, R. M. (2008). Growth and biological maturation: Relevance to athletic performance. In: The Young Athlete. Hebestreit, H., & Bar-Or O, O. eds. Oxford, United Kingdom: Blackwell Publishing, Blimkie, C. J. R. (1989). Age- and sex-associated variation in strength during childhood: Anthropometric, morphologic, neurologic, biomechanical, endocrinologie, genetic, and physical activity correlates; in Gisolfi, C. V., Lamb, D. R. (eds): Youth, Exercise, and Sport. Carmel, Benchmark Press, Boisseau, N., Delamarche, P. (2000). Metabolic and hormonal responses to exercise in children and adolescents. Sports Medicine, 30(6), Carvajal, W., Ríos, A., Echevarría, I., Martínez, M., Miñoso, J., & Rodríguez, D. (2009). Body type and performance of elite cuban baseball players. MEDICC Review, 11(2), Eriksson, B.O., & Saltin, B. (1974). Muscle metabolism during exercise in boys aged 11 to 16 years compared to adults. Acta paediatrica Belgica, 28, Figueiredo, A. J., Gonçalves, C. E., Coelho E Silva, M. J., & Malina, R.M. (2009). Youth soccer players, years: maturity, size, function, skill and goal orientation. Annals of Human Biology, 36(1), Figueiredo, A. J., Coelho, E., Silva, M. J., Cumming, S. P., & Malina, R. M. (2010). Size and maturity mismatch in youth soccer players 11- to 14-years-old. Pediatric exercise science, 22(4), Florini, J. R. (1987). Hormonal control of muscle growth. Muscle Nerve, 10, Freitas, D. L., Lausen, B., Maia, J. A., Gouveia, É. R., Thomis, M., Lefevre, J., Silva. R. D., & Malina, R. M. (2016). Skeletal Maturation, Body Size, and Motor Coordination in Youth Years. Medicine & Science in Sports & Exercise, 48(6), Gil, S, M., Badiola, A., Bidaurrazaga-Letona, I., Zabala-Lili, J., Gravina, L., Santos-Concejero, J., Lekue, JA., & Granados, C. (2014). Relationship between the relative age effect and anthropometry, maturity and performance in young soccer players. Journal of Sports Sciences, 32(5), Gouvea, M., Cyrino, E. S., Ribeiro, A.S., da Silva, D.R., Ohara, D., Valente-Dos-Santos, J., Coelho-E-Silva, M. J., & Ronque, E. (2016). Influence of Skeletal Maturity on Size, Function and Sport-specific Technical Skills in Youth Soccer Players. International Journal of Sports Medicine, 37(6), Hoffman, J. R., Vazquez, J., Pichardo, N., & Tenenbaum, G. (2009). Anthropometric and performance comparisons in professional baseball players. Journal of Strength & Conditioning Research, 23(8), Ian Stafford. (ed) (2011). Coaching Children in Sport. London and New York: Routledge. Kaczor, J. L., Ziolkowski, W., Popinigis, J., & Tarnopolsky, M. A. (2005). Anaerobic and aerobic enzyme activities in human skeletal muscle from children and adults. Pediatric Research, 57(3), Kemper, H. C., Verschuur, R., & Ritmeester, J. W. (1987). Longitudinal development of growth and fitness in early and late maturing teenagers. Pediatrician, 14(4), Kohmura, Y., Aoki, K., Yoshigi, H., Sakuraba, K., & Yanagiya, T. (2009). Development of a baseball-specific battery of tests and a testing protocol for college baseball players. Journal of Strength & Conditioning Research, 22(4), Lariviere, G., & Lafond, A. (1986). Physical maturity in young elite ice hockey players. Canadian Journal of Applied Sport Sciences, 11, 24p Larssson, L., & Moss, R. (1993). Maximum velocity of shortening in relation to myosin isoform composition in single fibres from human skeletal muscles. The Journal of Physiology, 472, Lexell, J., Sjostrom, M., Nordlund, A. S., & Taylor, C. C. (1992). Growth and development of human muscle: a quantitative morphological study of whole vastus lateralis from childhood

10 to adult age. Muscle Nerve, 15(3), Lloyd, R. S., Oliver, J. L., Faigenbaum, A. D., Myer, G. D., & De Ste Croix, M. B. (2014). Chronological age vs. biological maturation: implications for exercise programming in youth. The Journal of Strength & Conditioning Research, 28(5), Malina, R. M., Meleski, B. W. & Shoup, R. F. (1982). Anthropometric, body composition, and maturity characteristics of selected school-age athletes. Pediatric Clinics of North America, 29, Malina, R. M., Bouchard, C., & Bar-Or, O. (2004) (eds). Growth, Maturation and Physical Activity. Champaign: Human Kinetics, pp Malina, R. M., Peña Reyes, M. E., Figueiredo, A.J., et al. (2010). skeletal age in youth soccer players: implication for age verification. Clinical Journal of Sport Medicine, 20(6), Müller, L., Müller, E., Hildebrandt, C., Kapelari, K., & Raschner, C. (2015). The assessment of biological maturation for talent selection - which method can be used?. Sportverletz Sportschaden, 29(01), Müller, L., Gonaus, C., Perner, C., Müller, E., & Raschner, C. (2017). Maturity status influences the relative age effect in national top level youth alpine ski racing and soccer. PLOS ONE, 12(7), e Myburgh, G. K., Cumming, S. P., Coelho E Silva, M., Cooke, K., & Malina, R. M. (2016a). Growth and maturity status of elite British junior tennis players. Journal of Sports Sciences, 34(20), Myburgh, G. K., Cumming, S. P., Silva, M. C., Cooke, K., Malina, R. M.. (2016b). Maturity-Associated Variation in Functional Characteristics Of Elite Youth Tennis Players. Pediatric Exercise Science, 28(4), Oertel, G. (1988). Morphometric analysis of normal skeletal muscles in infancy, childhood and adolescence. Journal of the Neurological Sciences, 88(1-3), Philippaerts, R, M., Vaeyens, R., Janssens, M., Van Renterghem, B., Matthys, D., Craen, R., Bourgois, J., Vrijens, J., Beunen, G., & Malina,, R. M. (2006). The relationship between peak height velocity and physical performance in youth soccer players. Journal of Sports Sciences, 24(3), Quatman-Yates, C. C., Quatman, C. E., Meszaros, A. J., Paterno, M. V., & Hewett, T. E. (2012). A systematic review of sensorimotor function during adolescence: A developmental stage of increased motor awkwardness? British Journal of Sports Medicine, 46(9), Rhea, M. R., Bunker, D. (2009). Baseball-specific conditioning. International Journal of Sports Physiology and Performance, 4(3), Riddell, M. C. (2008). The endocrine response and substrate untilization during exercise in children and adolescents. J Appl Physiol, 105(2), Roemmich, J. N., & Rogol, A. D. (1995). Physiology of growth and development. Its relationship to performance in the young athlete. Clinical Journal of Sport Medicine, 14, , Rogol, A. D. (2010). Sex steroids, growth hormone, leptin and the pubertal growth spurt. Endocrine Development, 17, Stephens, B. R., Cole, A. S., & Mahon, A. D. (2006). The influence of biological maturation on fat and carbohydrate metabolism during exercise in males. International Journal of Sport Nutrition and Exercise Metabolism, 16(2), Swerdloff, R. S., & Odell, W. D. (1975). Hormonal mechanisms in the onset of puberty. Postgraduate Medical Journal, 51 (594), Tanner J, M,, Healy, M., Goldstein, H., et al. (2001). Assessment of skeletal maturity and prediction of adult height (TW3 Method). 3rd edn. London: WB Saunders. Teixeira, A. S., Valente-dos-Santos, J., Coelho-E-Silva, M. J., Malina, R. M., Fernandes-da-Silva, J., et al. (2015). Skeletal Maturation and Aerobic Performance in Young Soccer Players from Professional Academies. International Journal of Sports Medicine, 36(13), Till, K., Cobley, S., O Hara, J., Cooke, C., & Chapman, C. (2010). Anthropometric, physiological and selection characteristics in high performance UK junior rugby league players. Talent Development & Excellence, 2, Till, K., & Jones, B. (2015). Monitoring anthropometry and fitness using maturity groups within youth rugby league. The Journal of Strength & Conditioning Research, 29(3), Torres-Unda, J., Zarrazquin, I., Gravina, L., Zubero, J., Seco, J., Gil, S. M., Gil, J., & Irazusta, J. (2016). Basketball Performance Is Related to Maturity and Relative Age in Elite Adolescent Players. The Journal of Strength & Conditioning Research, 30(5), Valente-Dos-Santos, J., Coelho-E-Silva, M. J., Vaz, V., Figueiredo, A. J., Capranica, L., et al. (2014). Maturity-associated variation in change of direction and dribbling speed in early pubertal years and 5-year developmental changes in young soccer players. The Journal of sports medicine and physical fitness, 54(3),

Kinematic analysis of success strategy of YANG Hak Seon technique Joo-Ho Song 1, Jong-Hoon Park 2, & Jin-Sun Kim 3 * 1 Korea Institute of Sport Scienc

Kinematic analysis of success strategy of technique JooHo Song 1, JongHoon Park 2, & JinSun Kim 3 * 1 Korea Institute of Sport Science, 2 Catholic Kwandong University, 3 Yonsei University [Purpose] [Methods]