A calf injury refers to any damage or pain experienced in the muscles located at the back of the lower leg, specifically around the ankle. This area is commonly called the calf and consists of two main muscles - gastrocnemius and soleus. Calf injuries can occur due to various reasons such as overuse, strain or sprain, contusion (bruising), cramping, or even tears in the muscle fibers. Symptoms may include pain, swelling, stiffness, difficulty walking or running, and sometimes even bruising. Treatment for calf injuries typically involves rest, ice, compression, and elevation to reduce inflammation and promote healing.