Posted on February 26, 2019February 27, 2019Better Glutes for Better Kettlebell Swings https://bretcontreras.com/frog-pumps-and-frog-thrusts/ View this post on Instagram No big deal. Just a lone man doing frog pumps with Kellie Clarkson blaring in the background. Two sets of 50 reps to finish off the session. #frogpumps #gluteguy #glutepump #gluteburn A post shared by Bret "Glute Guy" Contreras PhD (@bretcontreras1) on Nov 6, 2015 at 8:55pm PST