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Muscle Activation During Power-Oriented Resistance Training: Continuous vs. Cluster Set Configurations.
J Strength Cond Res. 2019 Jul; 33 Suppl 1:S95-S102.JS

Abstract

Morales-Artacho, AJ, García-Ramos, A, Pérez-Castilla, A, Padial, P, Gomez, AM, Peinado, AM, Pérez-Córdoba, JL, and Feriche, B. Muscle activation during power-oriented resistance training: continuous vs. cluster set configurations. J Strength Cond Res 33(7S): S95-S102, 2019-This study examined performance and electromyography (EMG) changes during a power training protocol comprising continuous or clustered set configurations. Eighteen active males completed 6 sets of 6 repetitions during the loaded (20% 1 repetition maximum) countermovement jump (CMJ) exercise, continuously (n = 9) or with a 30-second pause every 2 repetitions (cluster; n = 9). Power output, vastus lateralis (VL), vastus medialis (VM), and rectus femoris (RF) EMG were recorded during all CMJs. Relative changes from the first repetition were assessed on the EMG root mean square (RMS), median frequency (Fmed), and a low- to high-frequency ratio index of fatigue (FInsmk). Greater power output decrements were observed during the continuous set configuration (p = 0.001, (Equation is included in full-text article.)< 0.01). Greater RMS increments in VL (6.8 ± 11.3 vs. -1.7 ± 5.8%) and RF (9.3 ± 14.2 vs. 1.9 ± 6.9%), but not VM (2.0 ± 4.7 vs. 2.6 ± 7.3%), were also observed in the continuous compared with the cluster sets (p = 0.033, (Equation is included in full-text article.)= 0.06). Progressive decrements in Fmed and increments in FInsmk were observed across repetitions in both set configurations. In conclusion, although clustering sets between repetitions clearly maintained power output, mixed responses were observed on the examined EMG parameters.

Authors+Show Affiliations

Department of Physical Education and Sport, Faculty of Sport Sciences, Granada University, Granada, Spain.Department of Physical Education and Sport, Faculty of Sport Sciences, Granada University, Granada, Spain.Department of Physical Education and Sport, Faculty of Sport Sciences, Granada University, Granada, Spain.Department of Physical Education and Sport, Faculty of Sport Sciences, Granada University, Granada, Spain.Department of Signal Theory, Networking and Communications, Granada University, Granada, Spain.Department of Signal Theory, Networking and Communications, Granada University, Granada, Spain.Department of Signal Theory, Networking and Communications, Granada University, Granada, Spain.Department of Physical Education and Sport, Faculty of Sport Sciences, Granada University, Granada, Spain.

Pub Type(s)

Comparative Study
Journal Article

Language

eng

PubMed ID

30234695

Citation

Morales-Artacho, Antonio J., et al. "Muscle Activation During Power-Oriented Resistance Training: Continuous Vs. Cluster Set Configurations." Journal of Strength and Conditioning Research, vol. 33 Suppl 1, 2019, pp. S95-S102.
Morales-Artacho AJ, García-Ramos A, Pérez-Castilla A, et al. Muscle Activation During Power-Oriented Resistance Training: Continuous vs. Cluster Set Configurations. J Strength Cond Res. 2019;33 Suppl 1:S95-S102.
Morales-Artacho, A. J., García-Ramos, A., Pérez-Castilla, A., Padial, P., Gomez, A. M., Peinado, A. M., Pérez-Córdoba, J. L., & Feriche, B. (2019). Muscle Activation During Power-Oriented Resistance Training: Continuous vs. Cluster Set Configurations. Journal of Strength and Conditioning Research, 33 Suppl 1, S95-S102. https://doi.org/10.1519/JSC.0000000000002811
Morales-Artacho AJ, et al. Muscle Activation During Power-Oriented Resistance Training: Continuous Vs. Cluster Set Configurations. J Strength Cond Res. 2019;33 Suppl 1:S95-S102. PubMed PMID: 30234695.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Muscle Activation During Power-Oriented Resistance Training: Continuous vs. Cluster Set Configurations. AU - Morales-Artacho,Antonio J, AU - García-Ramos,Amador, AU - Pérez-Castilla,Alejandro, AU - Padial,Paulino, AU - Gomez,Angel M, AU - Peinado,Antonio M, AU - Pérez-Córdoba,Jose L, AU - Feriche,Belén, PY - 2018/9/21/pubmed PY - 2019/11/9/medline PY - 2018/9/21/entrez SP - S95 EP - S102 JF - Journal of strength and conditioning research JO - J Strength Cond Res VL - 33 Suppl 1 N2 - Morales-Artacho, AJ, García-Ramos, A, Pérez-Castilla, A, Padial, P, Gomez, AM, Peinado, AM, Pérez-Córdoba, JL, and Feriche, B. Muscle activation during power-oriented resistance training: continuous vs. cluster set configurations. J Strength Cond Res 33(7S): S95-S102, 2019-This study examined performance and electromyography (EMG) changes during a power training protocol comprising continuous or clustered set configurations. Eighteen active males completed 6 sets of 6 repetitions during the loaded (20% 1 repetition maximum) countermovement jump (CMJ) exercise, continuously (n = 9) or with a 30-second pause every 2 repetitions (cluster; n = 9). Power output, vastus lateralis (VL), vastus medialis (VM), and rectus femoris (RF) EMG were recorded during all CMJs. Relative changes from the first repetition were assessed on the EMG root mean square (RMS), median frequency (Fmed), and a low- to high-frequency ratio index of fatigue (FInsmk). Greater power output decrements were observed during the continuous set configuration (p = 0.001, (Equation is included in full-text article.)< 0.01). Greater RMS increments in VL (6.8 ± 11.3 vs. -1.7 ± 5.8%) and RF (9.3 ± 14.2 vs. 1.9 ± 6.9%), but not VM (2.0 ± 4.7 vs. 2.6 ± 7.3%), were also observed in the continuous compared with the cluster sets (p = 0.033, (Equation is included in full-text article.)= 0.06). Progressive decrements in Fmed and increments in FInsmk were observed across repetitions in both set configurations. In conclusion, although clustering sets between repetitions clearly maintained power output, mixed responses were observed on the examined EMG parameters. SN - 1533-4287 UR - https://www.unboundmedicine.com/medline/citation/30234695/Muscle_Activation_During_Power_Oriented_Resistance_Training:_Continuous_vs__Cluster_Set_Configurations_ L2 - http://dx.doi.org/10.1519/JSC.0000000000002811 DB - PRIME DP - Unbound Medicine ER -