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    Effects of Auricular Vagus Nerve Stimulation on Cardio-Respiratory Functions After Aerobic Exercise
    (Nevzat Demirci, 2024) Gucluer, Ezgi Ovunc; Ozden, Ali Veysel; Ural, Halil Ibrahim; Alptekin, Hasan Kerem; Hatik, Sefa Haktan
    The aim of our study is to find out whether the return rate of parasympathetic activity (PA) can be accelerated with auricular transcutaneous vagus nerve stimulation (TVNS). Pulmonary function test, ANS activity, pulse and blood pressure measurements were made. Individuals ran for 15 minutes. Those in the TVNS group received 5 minutes of auricular VNS. In the control group, headphones were attached but no current was given. After the end of their procedures, they were compared with pre-exercise. In the TVNS group, the pulse parameter was higher than in the initial measurement (p=0.001). There was a significant (p=0.007) rise in the FEV1 value in the VNS group. The sympathetic nervous system (SNS) index (p<0.05) increased in both groups when compared to the initial measurement, although there was no significant difference in the index values between the groups. The TVNS group showed an increase from the first measurement (p<0.05), but there was no significant difference in the parasympathetic nervous system (PNS) Index between the groups (p>0.05). The groups' values for the first and second measures were equal (p>0.05), and the root mean square of the successive differences (RMSSD) values did not reveal a significant difference. TVNS can improve respiratory parameters in healthy individuals in the acute period after exercise, and it seems that it can also increase activation in both the sympathetic and parasympathetic system. It can be stated that TVNS may lead to variable results in different circumstances in sports © 2024 Nevzat Demirci. All rights reserved.
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    From Home to Health: The Effectiveness of Otago Exercise Program via Telerehabilitation on Fall-Related Outcomes in Older Adults
    (Romanian Assoc Balneology, 2025) Simsek, Kubilay; Alptekin, Hasan Kerem; Hatik, Sefa Haktan; Pehlivanoglu, Berkay Eren
    This study aimed to investigate the effects of the Otago Exercise Program (OEP), delivered via telerehabilitation, on pain, walking speed, lower extremity muscle strength, fear of falling, anxiety, quality of life, and balance in older adults with a history of falls. A total of 45 participants aged 65-78 were randomized into three groups: Face-to-Face Otago Exercise Group (FFOEG, n=15), Telerehabilitation-Based Otago Exercise Group (TBOEG, n=15), and Control Group (CG, n=15). The intervention consisted of 45-minute sessions, three times per week, for eight weeks. Evaluations were performed at baseline, 4th week, 8th week, and 4 weeks post-intervention using the Numeric Pain Scale, Timed Up and Go Test, 30-Second Sit- to-Stand Test, Falls Efficacy Scale, Beck Anxiety Inventory, WHOQOL-OLD, and Tinetti Balance and Gait Test. No significant difference was found in demographic variables between the groups (p>0.05). Intra-group analyses showed significant improvements in both intervention groups in most outcomes (p<0.05). Between-group comparisons revealed significant differences in favor of TOEG for fear of falling and balance (p<0.05). These findings support the effectiveness of OEP and suggest that telerehabilitation may be a viable alternative for delivering fall-prevention exercises to older adults in hard-to-reach areas.