Title UČINAK ZVUČNOG PODRAŽAJA NA RAVNOTEŽU SLABOVIDNIH ADOLESCENATA Title (english) THE EFFECT OF SOUND STIMULUS ON THE BALANCE OF VISUALLY IMPAIRED ADOLESCENTS Author Mihovil Bajan Mentor Tatjana Trošt Bobić (mentor)Committee member Tatjana Trošt Bobić (predsjednik povjerenstva)Committee member Pavle Mikulić (član povjerenstva)Committee member Josipa Radaš (član povjerenstva)Granter University of Zagreb Defense date and country 2022-09-23, Croatia Scientific / art field, SOCIAL SCIENCES Abstract Ravnoteža je složena sposobnost čiju uspješnost određuje veliki broj sustava. Za sada se najviše značaja pridaje vestibularnom, vidnom i somatosenzornom sustavu, no novija istraživanja uzimaju u obzir i slušni sustav. Primarni cilj ovog istraživanja bio je utvrditi utjecaj različitog zvučnog signala na ravnotežu slabovidnih adolescenata tijekom mirnog stajanja na nestabilnoj površini. Kako bi se osigurali jednaki uvjeti za sve ispitanike, svi zadaci provodili su se bez obuće, u čarapama. Ispitanici su provodili testove ravnoteže u tri uvjeta s različitim zvučnim podražajima: 1. tišina, 2. nasumični zvučni podražaji, 3. ritmični zvučni podražaji. Provedeno je jedno ponavljanje u svakom uvjetu, a redoslijed testiranja u pojedinim uvjetima je za svakog ispitanika bio drugačiji. U obradi podataka koristile su se varijable dobivene Gyko uređajem: 1. ukupno prijeđena antero-posteriorna udaljenost centra pritiska, 2. prosječno kvadratno odstupanje od početne točke i 3. prosječna frekvencija gibanja centra pritiska. Dobiveni rezultati obrađeni su u programu Statistica 14.0, a metode obrade koje su se koristile bili su Cohenov indeks i ANOVA za ponovljena mjerenja. Rezultati nisu pokazali statistički značajnu razliku u testovima ravnoteže između pojedinih uvjeta iako se može primijetiti tendencija pogoršanja rezultata u uvjetima kada su puštani nasumični zvučni podražaji. Takva tendencija podudara se s ostalim istraživanjima koja su provedena na ovu temu. Uzimajući u obzir dosadašnje spoznaje, možemo zaključiti da slušni sustav doprinosi sposobnosti održavanja ravnoteže, no potrebna su daljnja i detaljnija istraživanja koja će utvrditi kako i na koji način određena vrsta zvučnog podražaja utječe na održavanje ravnoteže.
Abstract (english) Balance is a complex ability whose success is determined by a number of systems. For now, vestibular, visual and somatosensory systems are of greatest importance, but more recent studies also take in consideration the auditory system. The main goal of this research was to determine the effect of various sound stimuli on balance of visually impaired adolescents while performing a steady standing stance task on an unstable surface. In order to ensure equal conditions for each subject all tasks were performed without wearing shoes, in socks. Subjects performed the given balance task in three conditions with different sound stimuli: 1. silence, 2. random sound stimulus, 3. rhythmic sound stimulus. One repetition was performed in each condition, and the order of testing in individual conditions was different for each subject. Variables obtained with Gyko device were used in data processing: 1. total distance, 2. average squared deviation from the starting point and 3. average frequency of movement of the centre of gravity. Obtained results were processed in Statistica 14.0 and the processing methods used were Cohen′s index and repeated measures ANOVA. The results show no significant difference between the three conditions, although tendency to worsen the results can be observed when random sound stimuli was played. Thus, the tendency coincides with other research conducted on this topic. Considering previous research that has been carried out on this topic, it may be concluded that auditory system contribute to the ability of maintaining balance, but further, more detailed, research is needed to determine how and in what way a certain type of sound stimulus affects the maintenance of balance.
Keywords
posturalna stabilnost
posturalna kontrola
slušni sustav
propriocepcija
oštećenje vida
Keywords (english)
postural stability
postural control
auditory system
proprioception
visual impairment
Language croatian URN:NBN urn:nbn:hr:117:363430 Study programme Title: Kinesiology; specializations in: Kinesiology in Education and Track-and-Field, Kinesiology in Education and Fitness, Kinesiology in Education and Wrestling, Kinesiology in Education and Sailing, Kinesiology in Education and Windsurfing, Kinesiology in Education and Judo, Kinesiology in Education and Kayaking, Kinesiology in Education and Kinesiological Recreation, Kinesiology in Education and Kinesitherapy, Kinesiology in Education and Physical Conditioning of Athletes, Kinesiology in Education and Basketball, Kinesiology in Education and Football, Kinesiology in Education and Volleyball, Kinesiology in Education and Basic Kinesiological Transformations, Kinesiology in Education and Dancing, Kinesiology in Education and Swimming, Kinesiology in Education and Rhythmic Gymnastics, Kinesiology in Education and Handball, Kinesiology in Education and Skiing, Kinesiology in Education and Artistic Gymnastics, Kinesiology in Education and Management of Sport, Kinesiology in Education and Tennis, Kinesiology in Education and Rowing Type of resource Text File origin Born digital Access conditions Open access Terms of use Created on 2022-10-14 08:47:37
