This video discusses the common injury of the hip. The most common of over use injuries is also called stain. Strain can occur in any of the hip muscles and range from mile over stress to a torn muscle. Hip is an intricate joint able to hold the weight of the body and support the full range of motion. That is why our hip are prone to injury. One of the injuries involved are hamstring strain , hip flexor strain, and hip bursitis. Learn more how to treat hip flexor injury.