noun
gluteus; gluteal muscle
Anatomical term for the buttock muscles. Used in medical and fitness contexts.
殿筋を鍛える運動を毎日行っている。
I do exercises to strengthen the gluteal muscles every day.
殿筋は大臀筋、中臀筋、小臀筋の三つからなる。
The gluteal muscles consist of three parts: the gluteus maximus, gluteus medius, and gluteus minimus.