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A Comparison of Gluteus Maximus, Biceps Femoris, and Vastus Lateralis Electromyographic Activity in the Back Squat and Barbell Hip Thrust Exercises.
J Appl Biomech. 2015 Dec; 31(6):452-8.JA

Abstract

The back squat and barbell hip thrust are both popular exercises used to target the lower body musculature; however, these exercises have yet to be compared. Therefore, the purpose of this study was to compare the surface electromyographic (EMG) activity of the upper and lower gluteus maximus, biceps femoris, and vastus lateralis between the back squat and barbell hip thrust. Thirteen trained women (n = 13; age = 28.9 years; height = 164 cm; mass = 58.2 kg) performed estimated 10-repetition maximums (RM) in the back squat and barbell hip thrust. The barbell hip thrust elicited significantly greater mean (69.5% vs 29.4%) and peak (172% vs 84.9%) upper gluteus maximus, mean (86.8% vs 45.4%) and peak (216% vs 130%) lower gluteus maximus, and mean (40.8% vs 14.9%) and peak (86.9% vs 37.5%) biceps femoris EMG activity than the back squat. There were no significant differences in mean (99.5% vs 110%) or peak (216% vs 244%) vastus lateralis EMG activity. The barbell hip thrust activates the gluteus maximus and biceps femoris to a greater degree than the back squat when using estimated 10RM loads. Longitudinal training studies are needed to determine if this enhanced activation correlates with increased strength, hypertrophy, and performance.

Authors+Show Affiliations

Auckland University of Technology, Sport Performance Research Institute, Auckland, New Zealand.No affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info available

Pub Type(s)

Journal Article

Language

eng

PubMed ID

26214739

Citation

Contreras, Bret, et al. "A Comparison of Gluteus Maximus, Biceps Femoris, and Vastus Lateralis Electromyographic Activity in the Back Squat and Barbell Hip Thrust Exercises." Journal of Applied Biomechanics, vol. 31, no. 6, 2015, pp. 452-8.
Contreras B, Vigotsky AD, Schoenfeld BJ, et al. A Comparison of Gluteus Maximus, Biceps Femoris, and Vastus Lateralis Electromyographic Activity in the Back Squat and Barbell Hip Thrust Exercises. J Appl Biomech. 2015;31(6):452-8.
Contreras, B., Vigotsky, A. D., Schoenfeld, B. J., Beardsley, C., & Cronin, J. (2015). A Comparison of Gluteus Maximus, Biceps Femoris, and Vastus Lateralis Electromyographic Activity in the Back Squat and Barbell Hip Thrust Exercises. Journal of Applied Biomechanics, 31(6), 452-8. https://doi.org/10.1123/jab.2014-0301
Contreras B, et al. A Comparison of Gluteus Maximus, Biceps Femoris, and Vastus Lateralis Electromyographic Activity in the Back Squat and Barbell Hip Thrust Exercises. J Appl Biomech. 2015;31(6):452-8. PubMed PMID: 26214739.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - A Comparison of Gluteus Maximus, Biceps Femoris, and Vastus Lateralis Electromyographic Activity in the Back Squat and Barbell Hip Thrust Exercises. AU - Contreras,Bret, AU - Vigotsky,Andrew D, AU - Schoenfeld,Brad J, AU - Beardsley,Chris, AU - Cronin,John, Y1 - 2015/07/24/ PY - 2015/7/28/entrez PY - 2015/7/28/pubmed PY - 2016/9/20/medline SP - 452 EP - 8 JF - Journal of applied biomechanics JO - J Appl Biomech VL - 31 IS - 6 N2 - The back squat and barbell hip thrust are both popular exercises used to target the lower body musculature; however, these exercises have yet to be compared. Therefore, the purpose of this study was to compare the surface electromyographic (EMG) activity of the upper and lower gluteus maximus, biceps femoris, and vastus lateralis between the back squat and barbell hip thrust. Thirteen trained women (n = 13; age = 28.9 years; height = 164 cm; mass = 58.2 kg) performed estimated 10-repetition maximums (RM) in the back squat and barbell hip thrust. The barbell hip thrust elicited significantly greater mean (69.5% vs 29.4%) and peak (172% vs 84.9%) upper gluteus maximus, mean (86.8% vs 45.4%) and peak (216% vs 130%) lower gluteus maximus, and mean (40.8% vs 14.9%) and peak (86.9% vs 37.5%) biceps femoris EMG activity than the back squat. There were no significant differences in mean (99.5% vs 110%) or peak (216% vs 244%) vastus lateralis EMG activity. The barbell hip thrust activates the gluteus maximus and biceps femoris to a greater degree than the back squat when using estimated 10RM loads. Longitudinal training studies are needed to determine if this enhanced activation correlates with increased strength, hypertrophy, and performance. SN - 1543-2688 UR - https://www.unboundmedicine.com/medline/citation/26214739/A_Comparison_of_Gluteus_Maximus_Biceps_Femoris_and_Vastus_Lateralis_Electromyographic_Activity_in_the_Back_Squat_and_Barbell_Hip_Thrust_Exercises_ L2 - https://journals.humankinetics.com/doi/10.1123/jab.2014-0301 DB - PRIME DP - Unbound Medicine ER -