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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, Ayşe 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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    The effect of single-tasks and dual-tasks on balance in older adults
    (Taylor & Francis As, 2017) Sertel, Meral; Sakizli, Elif; Bezgin, Sabiha; Demirci, Cevher Savcun; Sahan, Tezel Yildirim; Kurtoglu, Fatih
    Purpose: This study has been planned to show how the balance is influenced when additional cognitive and motor tasks are given to older people. Methods: 159 older adults (61 Females/98 Males) between 65 and 80 years of age were included in the study. The single and dual task performances of the individuals were evaluated with the Stand on One Foot Test, Time up and Go Test (TUG), and Sit Down-Stand up Test; and the cognitive status was evaluated with the Mini Mental Status Test. The individuals were asked to transfer an object from one hand to the other as an additional motor task during the balance tests; and were asked to count by twos as a cognitive additional task. Results: When the taskless balance performances of the individuals and their dynamic balances during the additional cognitive and motor tasks were compared, it was observed that the duration of completing the test increased at a statistically significant level when both motor and cognitive additional tasks were added in TUG (p < 0.001); and in Sit down-Stand up, Stand on One Foot Tests (right and left), on the other hand, it was observed that the durations of the tests decreased when both additional motor and cognitive tasks were given (p < 0.001). Conclusion: At the end of our study, we observed that the additional tasks given to the older adults decreased the balance performance. We consider that balance trainings must be given together with motor and cognitive tasks to older people.
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    The Effects Of Age And Body Mass Index On Flexibility And Balance Performance
    (Turkey Assoc Physiotherapists, 2017) Aydogan Aslan, Saniye; Sertel, Meral; Sahan, Tezel Yildirim; Kurtoglu, Fatih
    Purpose: This study was conducted to examine the effects of age and Body Mass Index (BMI) on flexibility and balance in individuals aged between 18-80. Methods: Four hundred and four (n=404) individuals were included in the study. Timed Up and Go Test (TUG) and Sit to Stand Test (SST) were used in order to evaluate dynamic balance; Sit and Reach Flexibility Test as well as Lateral Trunk Flexion test were used for flexibility. Results: A correlation was found between age, TUG, SST and flexibility values (p<0.05). There was a correlation in a negative direction between BMI, and right-left trunk flexibility tests. There was a correlation in a positive direction between TUG and SST. Conclusion: The increase in age and BMI causes restrictions in daily life activities of individuals by leading to decrease in important parameters that affect their physical fitness such as balance and flexibility.
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    Investigation of new application technique named star taping in patellofemoral pain: a randomized, single-blind, and placebo-controlled study
    (Taylor & Francis Ltd, 2024) Sahan, Tezel Yildirim; Vergili, Ozge; Oktas, Birhan
    Purpose: Patellofemoral pain (PFP) is characterized by pain around the patella during functional activity. The purpose of this study was to determine the effects of the new method of applying the patellar Kinesio taping (KT). Materials and methods: Participants with PFP were randomly assigned to a Kinesio star taping (n = 14), placebo taping (n = 12), or control group (n = 13). Knee pain intensity during activity, resting, at night-time and during buckling were measured using the visual analogue scale under both KT, placebo taping, and home exercising before and after six weeks. Oedema, performance, knee function, and muscle strength were assessed with circumferential measurement, the Kujala questionnaire, vertical jumps, a 10-step down test, squat test, triple jump test, respectively, in all groups before and after taping. Results: Decreases were detected in pain in each group (p < 0.05) but there were no differences in pain during activity, and buckling in the three groups before and after taping (p > 0.05). Performances and knee functions showed similar results in all groups before and after taping (p > 0.05). The outcomes of all tapings showed that there were no differences between the groups in terms of oedema (p > 0.05), the knee functions (p > 0.05), and muscles strength on the affected and unaffected sides, there were no significant differences between inter and intra groups (p > 0.05). Conclusions: A 6-week new technique star taping together with home-based exercises have similar effects with placebo taping and home exercise groups on oedema, pain, performance, function in PFP. The effects of star taping technique may be determined in future studies as long- and short-term in different types of injuries.
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    A systematic literature review of physiotherapy and rehabilitation approaches to lower-limb amputation
    (Taylor & Francis Inc, 2018) Ulger, Ozlem; Sahan, Tezel Yildirim; Celik, Seher Erol
    Background: Successful use of prostheses after lower-limb amputation (LLA) depends on undergoing physiotherapy and rehabilitation both physically and psychologically. The aim of this systematic literature review is to systematically review the scientific evidence regarding prosthetic rehabilitation and physiotherapy after LLA. Methods: A systematic literature search was conducted using PubMed, Web of Science, Cochrane, CINAHL, EMBASE, SCOPUS, and EMB Reviews databases on December 31, 2015. Studies with the search keywords were identified and independently assessed by reviewers. The search yielded 403 potentially relevant articles after the removal of duplicates. Of these, only nine articles met the inclusion criteria. All studies were original articles, one of which was a randomized controlled study. Different measurement methods were used and positive results in terms of functional status, weight-lifting capacity with prosthesis, walking and balance ability, and acute care process were gained with a physiotherapy program. Conventional methods still possess high importance; however, it is safe to say that virtual reality and software-based programs for rehabilitation are increasingly being developed and getting more and more support. Discussion: LLA rehabilitation is a topic that requires the focus of current and future studies; evidence-based studies are required on the approaches to rehabilitation for specific LLA groups.
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    Validity and reliability of the Turkish version of the Ottawa Sitting Scale in patients with acute stroke
    (Taylor & Francis Ltd, 2024) Yasa, Mustafa Ertugrul; Arslan, Saniye Aydogan; Sahan, Tezel Yildirim; Caglar, Derya; Demirci, Cevher Savcun; Demir, Pervin
    Purpose: To investigate the validity and reliability of the Turkish version of the Ottawa Sitting Scale (OSS-T) in patients with acute stroke.Materials and methods: The Berg Balance Scale (BBS) and Trunk Impairment Scale (TIS) were used to determine the validity of the OSS-T. The OSS-T was re-applied by the same rater after an interval of 7 days to determine the reliability. To test inter-rater reliability, the evaluation was repeated by a second rater 1 day after the first evaluation. Reliability was quantified using intraclass correlation coefficients (ICC), and validity was assessed by correlating the OSS-T scores with the results of the other measures.Results: The ICC of the total OSS-T score for inter-rater reliability was 0.996 and for intra-rater reliability, it was 0.951. The Cronbach's a coefficient used to determine internal consistency was 0.980, which indicates excellent reliability. A strong positive correlation was found between OSS-T and TIS (rho = 0.861, p < 0.001), and between OSS-T and BBS (rho = 0.875, p < 0.001). An evident 2-factor structure was shown by the results of the factor analysis.Conclusions: The results of this study indicated that the OSS-T has strong measurement properties, making it a valid and reliable tool for research and clinical practice in patients with acute stroke.