gluteus-medius-muscle

Gluteus Medius Muscle

Christine Anatomy, Lower Limb 0 Comments

Gluteus Medius Musclegluteus-medius-muscle

The gluteus medius muscle is one of the three powerful gluteal muscles that move the femur.

What does gluteus medius mean?

Gluteus comes from the Greek word “gloutos” which means “buttocks”. This tells us something about where the three gluteal muscles are located.
Medius is the Latin word for “middle”.
Gluteus medius then, is the middle muscle of the buttocks.
In this case it is “the middle” muscle both in size and in location.

Where does the gluteus medius muscle attach?

The three gluteal muscles are found on the lateral side and back of the pelvis. The gluteus medius and minimus are partially covered by the larger gluteus maximus. Gluteus minimus and medius are part of a fan of tissues located on the back and side of the hip joint that also include the deep six lateral rotators. The gluteus medius is located deep to the gluteus maximus, but superficial to the smaller gluteus minimus.

Origin

The gluteus medius originates on the posterior ilium between the superior and middle gluteal lines. The ilium is the bone on the lateral (outside) of the pelvis. You’ll remember from our previous post on gluteus minimus that the gluteal lines are bumpy lines on the outer surface of the pelvis.

Insertion

It inserts on the greater trochanter of the femur. Remember that the greater trochanter is a large boney protrusion or bump felt on the outside of the hip.

What actions does the gluteus medius muscle do?

All of the gluteal muscles are key stabilizers as well as movers of the hip joint.
Gluteus minimus and medius specifically work together to stabilize us on one leg when either balancing or while we’re walking.

Gluteus medius is the strongest abductor of the femur. It plays a significant role in walking (ambulation).
It has anterior fibers which allow it to function in flexion and medial rotation of the femur, in addition to abduction. It also has posterior fibers that allow it to assist in extension and external rotation. It’s another muscle that is essentially antagonistic to itself in certain movements.

Poses where the gluteus medius muscle contracts:

uttitha hasta gluteus medius

Utthita hasta padangustasana and any other balancing pose is going to get gluteus medius involved. It contracts strongly in the standing leg of this pose.

Poses where the gluteus medius muscle is lengthened:

baddha konasana gluteus medius

We do most the lengthening of this muscle when rotating the hip joints.
Baddha konasana with an added forward fold would require quite a bit of external rotation in the hip joint and this would definitely lengthen the gluteus medius.

Trigger Points

Gluteus medius muscle trigger points

Image from triggerpoints.net; Credit to Travell & Simons, 1999

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Many of the concepts in this article are discussed in:
Functional Anatomy of Yoga

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About David Keil

david keil yoga anatomyThis website is simply about delivering yoga anatomy to the yoga community in a simple and understandable way. It has always been about you, the reader, understanding the complexity and diversity of our own humanness as well as our anatomy.

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