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    A COMPARISON OF THE MUSCLE ACTIVATION, PROPRIOCEPTION AND ANTHROPOMETRIC CHARACTERISTICS OF THE DOMINANT AND NON-DOMINANT WRISTS
    (Dokuz Eylul Univ Inst Health Sciences, 2022) Sertel, Meral; Sahan, Tezel Yildirim; Bezgin, Sabiha; Oral, Muhammet Ayhan; Kocaman, Ayse Abit; Arslan, Saniye Aydogan; Demirci, Cevher
    Purpose: Manual asymmetry refers to tendency that is in favor of hand to perform manual tasks requiring skills, it is important in every sensory and motor function. This study aimed to compare the muscle activation, proprioception, and anthropometric characteristics of the dominant and non-dominant wrists. Methods: In the study, forty young individuals aged between 18-25 years, who volunteered to participate, were included. As anthropometric measurements, the upper extremity length measurement forearm length measurement, hand length measurement wrist diameter measurement, hand width, shape and digit index measurements were performed, respectively. The muscle strength of wrist flexor and extensor muscles was measured by a hand dynamometer, while their muscle activations were measured by electromyography. The arm carrying angle was evaluated by a universal goniometer. Results: The mean age of the individuals included in the study was 22.51 +/- 0.35 years. In the right dominant individuals, when the dominant and non-dominant sides were compared, a statistically significant difference was found between flexor muscle activations, muscle strength, and hand width (p<0.05). No difference was detected between the digit and shape indices, proprioception, wrist diameter, forearm length, cubital angles, and upper extremity length (p>0.05). Conclusion: Finding the dominant side's wrist flexor muscle activations, extensor muscle strength, and hand widths better in young individuals showed that the dominant side was frequently used in daily living activities. The difference was seen that the non-dominant side would be weaker and at higher risk of deformity with increasing age and in the presence of any rheumatic, orthopedic, and neurologic diseases.
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    Effects of yoga on quality of life, fatigue, and dynamic balance in individuals with schizophrenia:a single blind randomized controlled trial
    (2022) Sertel, Meral; Bezgin, Sabiha; Kurtoğlu, Fatih; Şahin, H. Hande Kılıçarlan
    Purpose: Physical exercising is a reliable method to improve clinical symptoms, the quality of life and depressive symptoms in people with schizophrenia. The aim of this study is to examine the effect of yoga on the quality of life, fatigue and dynamic balance in people with schizophrenia.Methods: Thirty-two outpatient individuals aged 18-65 years, diagnosed with schizophrenia by psychiatrist were included in the study. The individuals were randomly divided into two groups: yoga and control groups. Yoga was applied to the yoga group two times a week for a total of 12 weeks by a physiotherapist trained and experienced in yoga. The individuals were evaluated by researcher who does not know which group the participants are from at beginning and the end of 12 weeks. The fatigue severity was evaluated with the Fatigue Severity Scale, the quality of life was evaluated with the World Health Organization Quality of Life Scale-BREF Turkish version, balance and functional mobility were evaluated with the Timed up and Go Test.Results: The mean ages of yoga and control groups were as 38.11±12.46 and 41.53±11.44 years respectively. As result of statistical analysis, there was a difference in the physical health parameter of the quality of life between the groups before and after treatment (p<0.05). When the groups were compared within themselves, a significant positive change was observed in the yoga group in terms of balance values (p<0.05).Conclusion: It was determined that yoga improved dynamic balance in people with schizophrenia, and increased their physical health, which is a sub-parameter of life quality.
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    Identifying a cut-off point for Timed Up and Go Test and 30-second Chair Stand Test in dual-task condition: Effects of cognitive status
    (2021) Demirci, Cevher Savcun; Sertel, Meral; Erdal, Elif Sakizli; Bezgin, Sabiha
    A decline in mental function is a common problem associated with aging. The most commonly used tests for evaluating functional mobility, fall risk, and lower limb strength of older adults in the clinic are ‘Timed Up and Go Test’ and ‘30-second Chair Stand Test’. This study was planned to determine the cut-off point of these tests in cognitive declines. A total of 204 older adults aged 65 years and over participated in this study. To examine the cut-off points of tests for single and dual-tasks, count off by twos was added as a cognitive task. The cut-off points of tests without and with an additional task were determined as 10.54, 12.21 second, 10.5, and 8.5 stands respectively. These results are important to reveal the effects of mental declines should be taken into account when interpreting the results of clinical functional mobility assessments in older adults.