Akademik Veri Yönetim Sistemi
19. Uluslararası Katılımlı Türk Spor Hekimliği Kongresi, İzmir, Türkiye, 3 - 05 Kasım 2023, ss.79
Objectives: Dynamic balance is the ability to keep the body's center of gravity, which changes under the
influence of external forces, within the boundaries of the support surface when the body's contact
surface with the ground is variable. As an alternative to expensive and difficult-to-access systems used
to evaluate dynamic balance, mobile applications are used, but these applications have shortcomings.
There is a need for highly reliable mobile applications that eliminate the shortcomings of existing mobile
applications and enable more objective and accurate measurements. This study aims to evaluate the
reliability of the Physics Toolbox Suite mobile application, which is a cost-effective and accessible system
that can provide objective data in dynamic balance measurements for health professionals,
physiotherapists and athletes.
Methods: A total of 22 (9 women, 13 men) healthy adults (age = 20.3 ± 1.13, body mass index = 21.42 ±
4.6) were included in the study. The mobile phone with the Physics Toolbox Suite mobile application
installed was fixed to the flat surface of the BOSU (Both Sides Utilized Balance Trainer) balance ball
positioned above. While the participants were balancing on two legs on the flat surface of the BOSU
balance ball, dynamic balance measurements were recorded for 30 seconds. The first researcher
repeated the measurements in the 1st and 2nd weeks, and the second researcher repeated the
measurements in the 3rd week. Anterior-posterior stability index (APSI), Medial-lateral stability index
(MLSI) and Overall stability index (OSI) of the participants were calculated. Intra- and inter-session
reliability was evaluated using the Intraclass Correlation Coefficient (ICC(3,1)).Results
: APSI score evaluations made with the Physics Toolbox Suite mobile application showed good
intra-rater (ICC(3,1)= 0.677) and inter-rater (ICC(3,1)= 0.736) reliability. In MLSI scores, high intra-rater
reliability (ICC(3,1)= 0.906) and good inter-rater reliability (ICC(3,1)= 0.718) were found. It was found
that OSI score values showed high intra-measurer reliability (ICC(3,1)= 0.875) and good inter- session
reliability (ICC(3,1)= 0.737).
Conclusion:It can be said that using the Physics Toolbox Suite mobile application is a reliable measurement
method in evaluating the dynamic balance of healthy adult individuals. It is thought that comparing the
reliability of the Physics Toolbox Suite mobile application with other dynamic balance measurement
devices used in the clinic and evaluating its reliability in athletes and different patient groups may
contribute to the literature.