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Electromyographic activity of the pectoralis major and anterior deltoid muscles during three upper-body lifts.
J Strength Cond Res. 2005 May; 19(2):449-52.JS

Abstract

The purpose of this study was to examine the differences in activation levels and times of activation for the pectoralis major and anterior deltoid when performing the concentric phase of 3 upper-body lifts. Twelve college-age men and women with various degrees of lifting experience performed 3 repetitions using the 6 repetition maximum in a barbell bench press, dumbbell bench press, and dumbbell fly while being monitored for electromyographic activity in both muscles. Motor unit activation of both muscles was not significantly different during all 3 lifts. However, dumbbell flys had significantly less relative time of activation than did barbell or dumbbell bench presses. Therefore, dumbbell flys may be better suited as an auxiliary lift, whereas barbell and dumbbell bench presses may be used interchangeably in training programs. The compatibility of the barbell and dumbbell bench presses may aid lifters in overcoming training plateaus by alternating exercises for the same muscle groups.

Authors+Show Affiliations

Exercise Science Program, Truman State University, Kirksville, Missouri 63501, USA. elizabethwelsch@hotmail.comNo affiliation info availableNo affiliation info available

Pub Type(s)

Clinical Trial
Comparative Study
Journal Article

Language

eng

PubMed ID

15903389

Citation

Welsch, Elizabeth A., et al. "Electromyographic Activity of the Pectoralis Major and Anterior Deltoid Muscles During Three Upper-body Lifts." Journal of Strength and Conditioning Research, vol. 19, no. 2, 2005, pp. 449-52.
Welsch EA, Bird M, Mayhew JL. Electromyographic activity of the pectoralis major and anterior deltoid muscles during three upper-body lifts. J Strength Cond Res. 2005;19(2):449-52.
Welsch, E. A., Bird, M., & Mayhew, J. L. (2005). Electromyographic activity of the pectoralis major and anterior deltoid muscles during three upper-body lifts. Journal of Strength and Conditioning Research, 19(2), 449-52.
Welsch EA, Bird M, Mayhew JL. Electromyographic Activity of the Pectoralis Major and Anterior Deltoid Muscles During Three Upper-body Lifts. J Strength Cond Res. 2005;19(2):449-52. PubMed PMID: 15903389.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Electromyographic activity of the pectoralis major and anterior deltoid muscles during three upper-body lifts. AU - Welsch,Elizabeth A, AU - Bird,Michael, AU - Mayhew,Jerry L, PY - 2005/5/21/pubmed PY - 2005/9/2/medline PY - 2005/5/21/entrez SP - 449 EP - 52 JF - Journal of strength and conditioning research JO - J Strength Cond Res VL - 19 IS - 2 N2 - The purpose of this study was to examine the differences in activation levels and times of activation for the pectoralis major and anterior deltoid when performing the concentric phase of 3 upper-body lifts. Twelve college-age men and women with various degrees of lifting experience performed 3 repetitions using the 6 repetition maximum in a barbell bench press, dumbbell bench press, and dumbbell fly while being monitored for electromyographic activity in both muscles. Motor unit activation of both muscles was not significantly different during all 3 lifts. However, dumbbell flys had significantly less relative time of activation than did barbell or dumbbell bench presses. Therefore, dumbbell flys may be better suited as an auxiliary lift, whereas barbell and dumbbell bench presses may be used interchangeably in training programs. The compatibility of the barbell and dumbbell bench presses may aid lifters in overcoming training plateaus by alternating exercises for the same muscle groups. SN - 1064-8011 UR - https://www.unboundmedicine.com/medline/citation/15903389/Electromyographic_activity_of_the_pectoralis_major_and_anterior_deltoid_muscles_during_three_upper_body_lifts_ DB - PRIME DP - Unbound Medicine ER -