of the leg more than the front, runners often have overworked, tight calf muscles and weak shin muscles. This can lead to four specific lower-leg injuries – calf pulls, shin splints, stress fractures and compartment syndrome.A calf pull (also called a strain
that they assist with the function of both, making an injury to either muscle group extremely disruptive to running. Both can be strained (or pulled) if they are overextended to the point that they rip slightly. A complete tear of the muscle is called a rupture