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Effects of In-Season Circuit Training on Physical Abilities in Male Handball Players

Hermassi, Souhail1; Wollny, Rainer2; Schwesig, René3; Shephard, Roy J.4; Chelly, Mohamed S.1

The Journal of Strength & Conditioning Research: April 2019 - Volume 33 - Issue 4 - p 944–957
doi: 10.1519/JSC.0000000000002270
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Hermassi, S, Wollny, R, Schwesig, R, Shephard, RJ, and Chelly, MS. Effects of in-season circuit training on physical abilities in male handball players. J Strength Cond Res 33(4): 944–957, 2019—This study analyzed the effects of a resistance-type circuit training (RCT) program (30–35 minutes, performed twice a week for 10 weeks) on male handball players. Twenty-two male players were divided into experimental (E; age 20.3 ± 0.5 years) and control groups (C; age 20.1 ± 0.5 years). Measures before and after RCT included squat jump (SJ), countermovement jump (CMJ), 1 repetition maximum (1RM) of bench press, pull-over and back half-squats, throwing velocity (a 3-step running throw [RT], and a jump throw [JT]), repeated-sprint ability (six 2 × 15-m shuttle sprints with recording of best time for a single trial), anthropometric estimates of leg- and thigh-muscle volumes and mean thigh cross-sectional area (CSA), and a test of agility. The agility T-half test showed a significant interaction effect (p = 0.001; η2 = 0.422), with an intergroup difference in effect size (d) of 1.27 (d TG = 1.24 vs. d CG = −0.03). The SJ displayed no interaction effect. The interaction effects for half back squat (d = 2.73, η2 = 0.740) and CMJ (d = 3.76, η2 = 0.700) were large, but that for RT was smaller (η2 = 0.460) than that for JT (η2 = 0.745). The throwing velocity of C decreased for both measures, with negative effect sizes (d = −0.18 and d = −0.93, respectively). Upper-body, leg, and thigh-muscle volumes and thigh CSA increased significantly after resistance training. However, repeated-sprint parameters showed no significant changes. During the competitive season, 10 weeks of RCT with only 2 training sessions per week improved numerous measures of athletic performance in handball players, and such conditioning can be highly recommended as part of the annual training program for elite handball players.

1Research Unit (UR17JS01), Sport Performance, Health & Society, Higher Institute of Sport and Physical Education, Ksar-Saîd, University of “La Manouba,” Tunis, Tunisia;

2Institute of Sport-Science, Martin-Luther University Halle-Wittenberg, Halle, Germany;

3Department of Orthopedic and Trauma Surgery, Martin-Luther University Halle-Wittenberg, Halle, Germany; and

4Faculty of Kinesiology and Physical Education, University of Toronto, Toronto, Ontario, Canada

Address correspondence to Dr. Souhail Hermassi, hermassi_fr@yahoo.fr.

Copyright © 2019 by the National Strength & Conditioning Association.