glutes

noun

1. 臀肌
   the muscles in the buttocks that move the top of the leg

1. It all started with his glutes.
   一切都始于他的臀部。
2. Reebok says this increases muscle activity in the glutes by28 percent and in the calves and hamstrings by11 percent.
   锐步鞋声称说这种鞋可以使臀大肌活动增加28%，小腿和腿筋活动增加11%。
3. I discovered a few days ago that I can now contract my glutes.
   几天前我发现我能够收缩我的臀部了。