Urgent consultations for foot injuries are common. Trauma injuries are often obvious, such as displaced or open fractures, dislocations, or tissue breakdown. However, they can also have a subtle presentation and still hide severe structural damage. This is the case of «benign» Lisfranc sprains, compartment syndrome or even tendon sections through an apparently benign wound. The purpose of this article is to help the primary care physician to be aware of these subtle and sometimes hidden injuries, to assist him in the diagnosis and to provide the keys to appropriate treatment.