Abstract:

Purpose: The purpose of our study was to determine the isochinetic muscle strength profile of the shoulder and knee joints in male boxers. Method: Our study included 38 male boxing national team athletes (age: 20,23±4,32 years). Measures were carried out by the isochinetic dynamometer system at speeds of 60°/s and 240°/s concentrically-consistently for the internal-external rotation of the shoulder joint and the knee flektion-extension force. The top turn values that occur in these angle speeds were recorded by bilateral and ipsilateral rates. Results: The shoulders internal rotators were stronger in both speeds than the external rotators (p<0,001). The shirt’s internal and external rotation movements found that the top turn values were greater on the dominant side than on the non-dominant side (p<0,05) but that strength difference was not above 10%. The ratio of the flektion force to the extension force was between 50-60% at 60°/s and 65-70% at 240°/s. There was no difference between the dominant and non-dominant side of the knee joint strength (p>0,05). Discussions: According to the data obtained from this study, Turkey Men's National Team athletes found that the external rotor muscle group in the shoulder joint was weaker than the internal rotor muscle group. In the knee joint, the balance of strength between agonist/antagonist muscles was determined within normal limits. It was concluded that this situation could cause frequent shoulder injuries in boxers, therefore it was necessary to add exercises to the existing training programs that will increase the strength of the shoulder external rotators muscles and eliminate the imbalance between the agonist-antagonist muscle group.