In Plain English
The gluteus medius sits on the upper outer corner of the buttock, just below the hip bone, where it creates the rounded transition between the waist and the glutes. It moves the leg away from the body, rotates the hip, and keeps the pelvis level whenever you’re standing or moving on one leg.
Technical Definition
The gluteus medius originates from the outer surface of the ilium and inserts onto the greater trochanter of the femur. It is the primary hip abductor and also contributes to hip internal or external rotation depending on hip position. During single-leg support, it stabilizes the pelvis by preventing it from dropping toward the unsupported side.

















