One of the friends I made at the gym was an older guy who came up to me as I was doing these and asked if I was practicing for sex or something (I was doing them with a 70lb dumbbell resting on my pelvic bone)
I told him they are to build glutes, that I didn’t know their name so I just call them “butt thrusts”. Then we got to chatting. He talked to me every day he was there since. Too bad he’s gone now though, hope not dead
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