Where is Liv-5 located in relation to the medial malleolus?

The location of Liv-5, also known as Ligou, is determined with reference to the medial malleolus, an important landmark in acupuncture and traditional Chinese medicine. Liv-5 is positioned 5 cun above the medial malleolus and immediately posterior to the medial crest of the tibia. The term "cun" refers to a traditional Chinese measurement system, which uses the width of the patient’s thumb as a reference.

This positioning is significant as it allows practitioners to accurately locate Liv-5, which is an essential point for various therapeutic approaches in acupuncture. It is dry and also utilized for treating conditions related to the liver and regulating menstruation, making its correct identification vital for effective treatment.

The other choices provide locations that do not align with the traditional meridian mapping in acupuncture. For instance, positioning just inferior to the medial malleolus, 2 cun below it, or 7 cun above, either places Liv-5 incorrectly or does not correspond with the anatomical location described in acupuncture texts. Understanding these precise measurements, and the anatomical context is crucial for effective clinical practice in acupuncture.