gluteal
adjective medical specialized uk/ˈɡluː.ti.əl/ us/ˈɡluː.t̬i.əl/
和臀部（尤指臀大肌）有关的
relating to the buttocks (= the two soft parts of a person's bottom), especially the muscles
The gluteal muscles are important for standing up, walking, and running. 臀部肌肉对站起、行走和跑步很重要。