Where is Lemont's nerve located?

• A. Deep peroneal nerve
• B. Intermediate dorsal cutaneous nerve
• C. Sural nerve
• D. Medial plantar nerve

Answer: (B)

Lemont's nerve, also known as the intermediate dorsal cutaneous nerve, is primarily responsible for providing sensation to the dorsal surface of the foot, specifically to the skin between the first and second toes. This nerve branches off from the superficial peroneal nerve and helps to innervate the area that plays a role in proprioception, touch, and temperature.

Understanding its location and function is important in the context of foot and ankle pathology, especially when assessing conditions that may affect sensory nerves. For instance, entrapments or compressions of the intermediate dorsal cutaneous nerve can lead to altered sensation or pain in its distribution area, which is critical information for podiatric examination and treatment approaches.

In contrast, the other nerves listed, such as the deep peroneal nerve, sural nerve, and medial plantar nerve, have different roles and areas of innervation. Each of these nerves serves distinct functions in the sensory and motor innervation of the foot, making it essential to differentiate among them when diagnosing podiatric conditions.