Effects of combined resistance training and weightlifting on motor skill performance of adolescent male athletes
Lloyd, Rhodri S.
National Strength and Conditioning Association
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Resistance training and weightlifting are regarded as safe and effective training methods for youth. However, no studies have examined the effects of a year-long resistance training program using weightlifting movements on strength, speed or power. Therefore, the purpose of this study was to determine the long-term effects of combined resistance training (traditional strength training + plyometrics) with or without weightlifting movements on motor skill performance of adolescent males. Fifty-nine males aged 12-14 were matched by maturity and allocated to a combined resistance training or a combined resistance training with weightlifting group. Each group completed 28 total weeks of training over an academic year. Pre-, mid- (14 weeks of training) and post-training (28 weeks of training) tests included the Resistance Training Skills Battery quotient (RTSQ), absolute isometric mid-thigh pull peak force (IMTPABS) and ratio scaled isometric mid-thigh pull peak force (IMTPREL), countermovement jump, horizontal jump and 10, 20 and 30 m sprint. Repeated measure analysis of variance revealed that there were no significant between-group responses, but all variables improved significantly within-group. Both groups made small-moderate improvements in RTSQ, IMTPABS and IMTPREL after the first 14 training weeks (d = 0.45 to 0.86), whereas small-moderate improvements in lower body power, upper body power and speed were made after the second 14 training weeks (d = 0.30 to 0.95). Both groups made small-moderate improvements in all performance variables after 28 weeks of training. These findings highlight the importance of establishing movement competency and strength as a foundation for the subsequent development of power. Furthermore, these findings may help practitioners understand the time course of certain adaptations following a long-term periodized plan for adolescent males.
Journal of Strength and Conditioning Research;
Pichardo, A.W., Oliver, J.L., Harrison, C.B., Maulder, P.S. and Lloyd, R.S. (In Press) ‘Effects of combined resistance training and weightlifting on motor skill performance of adolescent male athletes’, Journal of Strength and Conditioning Research.
Article published in Journal of Strength and Conditioning Research available at https://doi.org/10.1519/JSC.0000000000003108
Cardiff Metropolitan University (Grant ID: Cardiff Metropolian (Internal))
- Sport Research Groups 
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