![]() A strong gluteus medius will hold up the pelvis as one leg swings forward however, a weakened gluteus medius muscle is unable to hold up the opposite side of the pelvis, resulting in downward tilt of the pelvis and Trendelenburg gait (result of the pelvis not being stabilized during gait). ![]() Weakened gluteus medius muscles can lead to Trendelenburg gait, an abnormal gait caused by weakness of the abductor muscles of the lower extremities the gluteus medius and gluteus minimus. 1 Gluteus medius dysfunction can also contribute to patellofemoral pain syndrome (PFPS), resulting in decreased hip control and increased femoral adduction and internal rotation. The lack of control during thigh abduction and external rotation places greater tension on the tensor fascia lata and ITB. Iliotibial band (ITB) syndrome may result from gluteus medius weakness. In addition, standing predominantly with all of your body weight on one leg can cause the pelvis to move sideways and the hip joint to adduct this can contribute to weakening of the hip abductor muscles. Lifestyle factors contributing to gluteus medius weakness include sleeping on your side (predominantly the same side), and flexing and adducting your top leg over your bottom leg. There are a number of factors that contribute to gluteus medius weakness. Weakness or poor timing issues (motor control) in the gluteus medius region can reduce athletic performance and serve as a catalyst for lower-body injuries and changes in gait. ![]() This action requires stability as well as balance and awareness. In real-life circumstances, we also have to move laterally in situations such as moving around people in a crowded mall or on sidewalks. Just about every sport requires athletes to laterally walk or run with abduction. ![]()
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