Mc. Murray’s sign is seen in injury to
**Core Concept**
McMurray's sign is a clinical test used to assess joint injuries, specifically tears in the menisci of the knee. The **meniscus** is a cartilage structure in the knee joint that can be damaged due to trauma or degenerative changes.
**Why the Correct Answer is Right**
The correct answer is related to the knee joint, as McMurray's sign is used to diagnose meniscal tears. The test involves flexing the knee and then extending it while applying rotation, which can elicit a click if a meniscal tear is present. This is due to the torn piece of meniscus moving between the joint surfaces.
**Why Each Wrong Option is Incorrect**
**Option A:** This option is incorrect because McMurray's sign is not typically associated with this part of the body.
**Option B:** Similarly, this option does not relate to the knee joint.
**Option C:** This option might seem plausible but is not directly related to McMurray's sign.
**Option D:** This is also incorrect as it does not pertain to the knee or meniscal injuries.
**Clinical Pearl / High-Yield Fact**
McMurray's sign is a valuable tool in orthopedic examination, helping to diagnose meniscal injuries. It is especially useful when combined with other clinical findings and imaging studies.
**Correct Answer:** D. Meniscal injury