Mechanical and metabolic responses to traditional and cluster set configurations in the bench press exercise

García-Ramos, Amador, González-Hernández, Jorge M., Baños-Pelegrín, Ezequiel, Castaño-Zambudio, Adrián, Capelo-Ramírez, Fernando, Boullosa, Daniel, Haff, G. Gregory, and Jiménez-Reyes, Pedro (2020) Mechanical and metabolic responses to traditional and cluster set configurations in the bench press exercise. Journal of Strength and Conditioning Research, 34 (3). pp. 663-670.

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Abstract

This study aimed to compare mechanical and metabolic responses between traditional (TR) and cluster (CL) set configurations in the bench press exercise. In a counterbalanced randomized order, 10 men were tested with the following protocols (sets x repetitions [inter-repetition rest]): TR1: 3 x 10 (0-second), TR2: 6 x 5 (0-second), CL5: 3 x 10 (5-second), CL10: 3 x 10 (10-second), and CL15: 3 x 10 (15-second). The number of repetitions (30), interset rest (5 minutes), and resistance applied (10 repetition maximum) were the same for all set configurations. Movement velocity and blood lactate concentration were used to assess the mechanical and metabolic responses, respectively. The comparison of the first and last set of the training session revealed a significant decrease in movement velocity for TR1 (Effect size [ES]: -0.92), CL10 (ES: -0.85), and CL15 (ES: -1.08) (but not for TR2 [ES: -0.38] and CL5 [ES: -0.37]); while blood lactate concentration was significantly increased for TR1 (ES: 1.11), TR2 (ES: 0.90), and CL5 (ES: 1.12) (but not for CL10 [ES: 0.03] and CL15 [ES: -0.43]). Based on velocity loss, set configurations were ranked as follows: TR1 (-39.3 +/- 7.3%) > CL5 (-20.2 +/- 14.7%) > CL10 (-12.9 +/- 4.9%), TR2 (-10.3 +/- 5.3%), and CL15 (-10.0 +/- 2.3%). The set configurations were ranked as follows based on the lactate concentration: TR1 (7.9 +/- 1.1 mmol center dot L-1) > CL5 (5.8 +/- 0.9 mmol center dot L-1) > TR2 (4.2 +/- 0.7 mmol center dot L-1) > CL10 (3.5 +/- 0.4 mmol center dot L-1) and CL15 (3.4 +/- 0.7 mmol center dot L-1). These results support the use of TR2, CL10, and CL15 for the maintenance of high mechanical outputs, while CL10 and CL15 produce less metabolic stress than TR2.

Item ID: 62967
Item Type: Article (Research - C1)
ISSN: 1533-4287
Keywords: inter-repetition rest, intra-set rest, velocity loss, lactate, fatigue
Copyright Information: © 2017 National Strength and Conditioning Association
Date Deposited: 29 Apr 2020 07:45
FoR Codes: 42 HEALTH SCIENCES > 4207 Sports science and exercise > 420702 Exercise physiology @ 100%
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