Injuries to the lower leg are very common in all sports due to the amount of constant stress that is placed on this portion of the body during running, jumping or suddenly starting or stopping. The lower leg consists of two bones: the tibia which is the larger weight bearing bone and the fibula which is the smaller bone on the outside of the lower leg. Along with these two bones there are also soft tissues in the lower leg that are susceptible to injury, primarily the calf muscles and Achilles tendon. Injuries to the lower leg can be caused by something as little as having bad running shoes or as big as a traumatic blow to the lower leg that causes a tibia fracture or fibula fracture, or both. There are many reasons as to why these injuries to the lower leg may occur, which is why it is important to seek medical attention to get an accurate diagnosis. If you are looking for an immediate answer, you should read through some of the possible lower leg injuries listed below.