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Trendelenburg's sign is found in people with weak or paralyzed abductor muscles of the hip, namely gluteus medius and gluteus minimus. [1] It is named after the German surgeon Friedrich Trendelenburg. It is often incorrectly referenced as the Trendelenburg test which is a test for vascular insufficiency in the lower extremities.
It is caused by weakness or ineffective action of the gluteus medius and gluteus minimus muscles. Gandbhir and Rayi point out that the biomechanical action involved comprises a class 3 lever , where the lower limb's weight is the load, the hip joint is the fulcrum, and the lateral glutei, which attach to the antero-lateral surface of the ...
Both gluteus minimus and medius have the same function. Their primary function is abduction of the femur, while internal rotation and flexion can occur depending on the position of the femur. [4] Additionally, with the hip flexed, the gluteus minimus internally rotates the thigh. With the hip extended, gluteus minimus externally rotates the thigh.
Many large and small muscles have relationships with the ligaments of the sacroiliac joint including the piriformis (see "piriformis syndrome", a condition often related with sacroiliac joint dysfunction), rectus femoris, gluteus maximus and minimus, erector spinae, latissimus dorsi, thoracolumbar fascia, and iliacus. [1]
The gluteus medius is a broad, thick, radiating muscle, situated on the outer surface of the pelvis. It lies profound to the gluteus maximus and its posterior third is covered by the gluteus maximus, its anterior two-thirds by the gluteal aponeurosis, which separates it from the superficial fascia and skin. The gluteus minimus is the smallest ...
Greater trochanteric pain syndrome (GTPS), a form of bursitis, is inflammation of the trochanteric bursa, a part of the hip. This bursa is at the top, outer side of the femur, between the insertion of the gluteus medius and gluteus minimus muscles into the greater trochanter of the femur and the femoral shaft. It has the function, in common ...
Cushing syndrome symptoms. Not everyone has the same symptoms with Cushing syndrome, but the Cleveland Clinic says they may include: Rapid weight gain in the face, abdomen, back of the neck, and chest
The Trendelenburg gait, consisting of gluteus medius and minimus muscles, is essential to maintaining the balance of the pelvis during the gait cycle. The piriformis syndrome , which is also called deep gluteal syndrome or gluteal pain syndrome, is the pain or numbness in the posterior thigh, the buttock, and the hip, with radiation or ...