Gluteus
Gluteus
Gluteus (pronunciation: /ˈɡluːtiːəs/) is a group of three muscles which make up the buttocks: the gluteus maximus, gluteus medius, and gluteus minimus. The three muscles originate from the ilium and sacrum and insert on the femur.
Etymology
The term "gluteus" is derived from the Greek word "gloutos" which means buttock.
Gluteus Maximus
The Gluteus Maximus is the largest of the three muscles, and its primary function is hip extension and lateral rotation. It is also responsible for maintaining the upright posture while walking or running.
Gluteus Medius
The Gluteus Medius is located on the outer surface of the pelvis. Its primary function is to abduct and medially rotate the hip. It also helps to maintain balance while standing on one leg.
Gluteus Minimus
The Gluteus Minimus is the smallest of the three muscles. It is located beneath the gluteus medius. Its primary function is to abduct and medially rotate the hip.
Related Terms
External links
- Medical encyclopedia article on Gluteus
- Wikipedia's article - Gluteus
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