Gluteus Medius Stimulates Lower Extremity Movement
By Jim Lundy, DPT

In the world of rehabilitation and biomechanics, centrally located muscles tend to have a larger impact on function and daily activity than more distal muscles.  With our bipedal mobility, the hip joint tends to be the fulcrum for most activity, including gait.  Of all the hip muscles, the gluteus medius (GM) may have the largest impact on lateral as well as frontal mobility and stability of the hip.

The gluteus medius is commonly involved in posture and strength impairments.  It also wields influence on more distal muscles and lower kinetic chain joint interactions.  As the location of this muscle is between the lower extremity and the trunk, and as adverse gluteus medius activation has a significant impact on human mobility, this muscle demands serious attention and consideration in all rehabilitation sciences.  A review of the literature of the biomechanics of the GM, both current and long-standing, may help biomechanics practitioners understand the influence of this muscle on function, it impact on other distal segments and other muscle activation, and mechanisms to decrease its activation by use of assistive devices.

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