Effects of plyometric jump training on the physical fitness of young male soccer players: Modulation of response by inter-set recovery interval and maturation status |
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| Authors: | Rodrigo Ramirez-Campillo Cristian Alvarez Javier Sanchez-Sanchez Maamer Slimani Paulo Gentil Mohamed Souhaiel Chelly |
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| Institution: | 1. Department of Physical Activity Sciences, Quality of Life and Wellness Research Group, Laboratory of Human Performance, Universidad de Los Lagos, Osorno, Chiler.ramirez@ulagos.cl https://orcid.org/0000-0003-2035-3279;3. Department of Physical Activity Sciences, Quality of Life and Wellness Research Group, Laboratory of Human Performance, Universidad de Los Lagos, Osorno, Chilehttps://orcid.org/0000-0003-4783-9981;4. Research Group Planning and Assessment of Training and Athletic Performance, Pontifical University of Salamanca, Salamanca, Spain;5. Department of Neuroscience, Rehabilitation, Ophthalmology, Genetics, Maternal and Child Health (DINOGMI), Section of Psychiatry, Genoa University, Genoa, Italy;6. Faculdade de Educa??o Física e Dan?a, Universidade Federal de Goiás, Goiania, Brazilhttps://orcid.org/0000-0003-2459-4977;7. Research Unit (UR17JS01) ? Sport Performance, Health &8. Society?, High Institute of Sport and Physical Education of Ksar-Said, Manouba University, Manouba, Tunisia |
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| Abstract: | ABSTRACTThe effects of plyometric jump training on the physical fitness of male youth (age = 10–17 years) soccer players was examined in relation to inter-set recovery intervals and the maturity of the players in a single-blind, randomized-and controlled crossover trial. Jumping tests and kicking velocities were measured before (T0), after a 6 week control period (T1), after 6 weeks of plyometrics (T2), after 6 weeks of wash-out (T3), and after a further 6 weeks of plyometrics (T4). Subjects were divided into pre- and post- peak-height-velocity (PHV) groups, and were randomly assigned to 30 s or 120 s inter-set intervals during periods T2 and T4. Any changes in jumping and maximum kicking velocities during T1 and T3, had trivial effect sizes (0.01–0.15), but small to moderate improvements (effect size = 0.20–0.99) were observed in both groups during T2 and T4. Gains in pre-PHV players were similar for the two inter-set intervals, but gains in post-PHV players were greater (p < 0.05) with an inter-set recovery of 120 s than with a 30 s recovery. We conclude that plyometric jump training improves the physical fitness of adolescents, irrespective of their maturity, but that in older individuals gains are greater with a longer inter-set recovery interval. |
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| Keywords: | Resistance training football fatigue development plyometric exercise |
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https://orcid.org/0000-0003-2035-3279;3. Department of Physical Activity Sciences, Quality of Life and Wellness Research Group, Laboratory of Human Performance, Universidad de Los Lagos, Osorno, Chile