Plural of gluteus; the gluteal muscles, the three muscles that form the buttocks.
From Latin gluteus (buttock), with Latinized plural -ei. This is the anatomical/medical term for the three major buttock muscles.
The glute muscles are essential for human upright posture and bipedalism—without strong glutei, humans couldn't stand or walk efficiently, so these muscles literally shaped our evolutionary advantage over four-legged competitors!
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