Bret Contreras “The Glute Guy” PhD, CSCS on Instagram: "Band standing hip abductions are so much more effective than people think. Don’t believe me? Get a glute loop and bust out 3 sets of 20 reps with 90 sec rest between sets. Yes they work the muscle at short lengths but that might not matter for glute medius growth. The reason why I say that is because my squad grew their upper glutes during the quarantine using their glute loops. One thing is certain: if you use this multiple times per week,