Author(s): Çağrı Çelenk, İrfan Marangoz, Zait Burak Aktuğ, Elif Top, Mustafa Akıl

Abstract:
This study has been conducted in order to investigate whether quadriceps femoris and hamstring muscular force of elite athletes having an active sports life, affects the static and dynamic balance performance. rnThe study has included 16 elite athletes with an active sports life totally. Quadriceps femoris and hamstring muscular force of the athletes have been measured by Pressure Air Biofeedback Test method. The balance performances have been evaluated by using Biodex Balance System, and determined as dynamic and static. Pearson Correlation test has been applied in the statistical evaluation of the study. It has been found out that the static balance performances and oscillation indexes of the athletes have not changed in accordance with femoris muscular force of the athletes (p>0.05). When dynamic balance performances are taken into consideration, it has been detected that as difficulty level increases, quadriceps femoris muscular force also affects the balance performance (p<0.05). No significant difference has been found between the hamstring muscular force and static and dynamic balance performances of the athletes (p>0.05).rnAccording to the results obtained, quadriceps femoris muscular force of the athletes affects the balance performances, and as balance difficulty level increases, quadriceps femoris muscular force maintains the balance. However, hamstring muscular force does not affect the balance performance. In conclusion, it has been detected that quadriceps femoris muscular force may be effective in the sports branches that put an emphasis on the balance; the muscle must be strengthened and should not be forced when it is damaged.

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