Glosaurus
Human Anatomy

Gluteus medius

A key muscle in the hip region, playing a crucial role in movement and stability.
The gluteus medius is a fan-shaped muscle located in the upper outer quadrant of the gluteal region. Situated beneath the gluteus maximus, it originates from the outer surface of the ilium (the large bone of the pelvis) and extends to the greater trochanter of the femur. This muscle is essential for the proper movement and stabilization of the pelvis during activities such as walking and running.
Terminologia Anatomica
gluteus-medius
System
Musculoskeletal system
Function
The gluteus medius primarily functions as an abductor of the hip joint, meaning it helps lift the leg away from the body. This action is crucial during walking, as it stabilizes the pelvis, preventing it from tilting when the opposite leg is off the ground. Additionally, the gluteus medius assists in internal and external rotation of the hip. Strong and properly functioning gluteus medius muscles can prevent injuries, maintain balance, and support the proper alignment of the lower limbs. Their role is particularly significant during activities that require lateral movement, such as side-stepping or running on a curve, emphasizing their importance in athletic performance and everyday mobility.
Location
The gluteus medius is located on the lateral aspect of the pelvis, specifically on the outer surface of the ilium. Its position allows it to work effectively in coordination with other muscles of the hip and thigh. This muscle sits above the gluteus minimus and below the gluteus maximus, forming a part of the gluteal muscle group. Its fibers travel diagonally from the ilium to the femur, making it ideally situated to exert forces on the hip joint. The visibility of the gluteus medius can be seen when looking at the hip area from the side, as it contributes to the contour of the buttocks.
Did You Know?
  • The gluteus medius is often referred to as the 'walking muscle' due to its crucial role in maintaining balance during ambulation.
  • Weakness in the gluteus medius can lead to hip and knee problems, affecting overall mobility and performance.
  • In addition to its role in movement, the gluteus medius also helps protect the hip joint from excessive strain during physical activities.