The cruciate ligament injuries involving the knee joint are among the difficult and common issues in the field of injuries for athletes, which occur through sprains or frictions in the stadiums with the opponent or fall during play, and therefore they will be deprived from practicing their lives, sports activities and physical exercises in a natural manner. The importance of this study and its current output is one of the attempts and scientific experiments to know those effects of some methods included in rehabilitation exercises and some therapeutic methods before and after the cruciate ligament severing operation. Regards to The research fields included the human field, and they are athletes with a total rupture of the cruciate ligament in the knee joint, and their number (10) with a complete rupture of the cruciate ligament “ football players, in the stadiums of the Ministry of Youth and Sports in Iraq - Maysan, private swimming pools in Maysan, and a stadium Distinguished High School in the Ministry of Education / Maysan, and specified in the temporal domain by the duration of the domain Time: (7/10/2021) to (10/2/2022). The researchers concluded:
Rehabilitative exercises and pre-operative treatment methods had an effective role in getting rid of pain and swelling.
Balance exercises are very important to improve the role of sensory receptors in the knee joint, as the exercises showed a clear improvement in balance.