Football injuries are generally either acute or cumulative. Acute injuries are “traumatic”, for example, as a result of a fall, blow or collision. Cumulative injuries are those in which repetitive stress on a muscle, joint or connective tissue triggers progressively worsening aches, pain and physical impairment. Knowing how and why football injuries occur is the first step to preventing them. Today we will review the most common injuries such as to the knee, the ankle and the hamstring.