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), p. S. 452–458.

Contreras, Bret, Andrew D. Vigotsky, Brad J. Schoenfeld, Chris Beardsley, and John Cronin. "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, no. 6 (2015): S. 452–458.

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 31.6 (2015): S. 452–458.