@aliciabfit: one of the best exercises for building the “shelf” or the upper glutes 🍑 .#backextension #upperglutes #gym #GymTok #womenwholift #gymgirl #gymmotivation #wegojim #gymvideos #weightlifting #gymrat #fyp #foryou #foryoupage #gymtips #glutebuilding #howtobuildupperglutes #upperglutesexercises