Trendelenburg's sign
Trendelenburg's Sign
Trendelenburg's Sign (pronounced tren-dell-en-burgz sign) is a medical term used to describe an abnormal gait pattern, or way of walking, that is often indicative of weakness in the hip abductor muscles on the same side of the body. The term is named after the German surgeon, Friedrich Trendelenburg, who first described the sign in 1895.
Etymology
The term "Trendelenburg's Sign" is derived from the name of Friedrich Trendelenburg, a German surgeon who made significant contributions to the field of medicine in the late 19th and early 20th centuries. The term "sign" in medical parlance refers to an objective indication of some medical fact or characteristic that is detected by a physician during physical examination of a patient.
Description
Trendelenburg's Sign is observed when a person stands on one leg and the pelvis drops on the side of the body that is lifted. This is due to weakness or impaired control of the hip abductor muscles, particularly the gluteus medius and gluteus minimus muscles, which are responsible for stabilizing the pelvis during walking or running.
Related Terms
- Gait (human): The pattern of movement of the limbs of animals, including humans, during locomotion over a solid substrate.
- Hip abductor muscles: A group of muscles that are responsible for moving the thigh out to the side of the body.
- Gluteus medius and gluteus minimus: Two of the three major muscles in the buttock, responsible for moving the hip and thigh.
- Friedrich Trendelenburg: A German surgeon who made significant contributions to the field of medicine in the late 19th and early 20th centuries.
External links
- Medical encyclopedia article on Trendelenburg's sign
- Wikipedia's article - Trendelenburg's sign
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