The Lisfranc joint refers to a group of joints in the midfoot where the metatarsal bones connect to the tarsal bones. This area plays a crucial role in maintaining the stability and function of the foot during walking and running. Injuries to the Lisfranc joint can occur due to trauma, such as a fall or a sports-related incident, and can lead to pain and difficulty in movement. A Lisfranc injury can range from a simple sprain to a complete fracture-dislocation of the bones in the midfoot. Diagnosis typically involves physical examination and imaging studies like X-rays or MRIs. Treatment may include rest, immobilization, or surgery, depending on the severity of the injury.