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Browsing by Author "Coskun, Funda"

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    Article
    Monitoring the Improvement of Muscle Performance Using Isokinetic Dynamometry: a Comparative Analysis Based on the Full Range of Motion Vs. the Valid Isokinetic Sector
    (Ios Press, 2017) Ozdemir, Cigdem; Ozgunen, Kerem; Sarpel, Tunay; Gunasti, Ozgur; Bildircin, Caglar; Coskun, Funda; Kurdak, S. Sadi
    BACKGROUND: Isokinetic dynamometers measure moment and calculate work and power values, which are generally used to interpret muscle performance. OBJECTIVE: This study aimed to determine the differences of peak moment (PM), work, and power between FRoM and calculated valid isokinetic sector (VIS) data to define the possibility of the misinterpretation of isokinetic dynamometer data. METHODS: Fourteen professional male soccer players who had ACL reconstruction were recruited to the muscle strengthening program which was conducted four days a week for six weeks with increasing training intensity each week. Isokinetic muscle peak moment, work, and power of knee extensors and flexors were measured at angular velocities of 60, 120, 180 and 240 degrees/s. RESULTS: The results of the standard full-RoM (FRoM) report were compared with the calculated VIS data. Analyses of the FRoM data showed that PM, work, and power values for both extensor and flexor muscle groups improved significantly. However, a comparison of FRoM and VIS data showed significant differences for the work and power values at 120, 180 and 240 degrees/s. CONCLUSION: The evaluation of FRoM isokinetic data may cause improper interpretations in muscle performance, particularly for contractions with higher angular velocities.
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    Obesity Awareness Levels of Public and Private Lower-Secondary School Students
    (2020) Coskun, Funda
    The purpose of this study is to examine whether the obesity awareness levels of lower-secondary school students differ according to school type and gender, and whether there is a relationship between the level of awareness and the body mass indexes of students. The population of this study is the 12-14 years old lower-secondary school students. A total of 590 students were included in the study this study. The mean ages of the female students were 13.0±.9 and male students were 13.0±1.0. Demographic Information Form, Obesity Awareness Scale and BMI measurements were used to collect data. Independent t-test and Pearson’s correlation coefficient was used to analyze data. Results of the data analysis showed statistically no significant difference between the public and private lower-secondary school students’ obesity awareness levels. The only difference found between the students’ BMI levels. Results also showed statistically no significant difference between female and male students’ obesity awareness levels. Correlation analysis revealed a non-significant correlation between BMI and obesity awareness scores of female and male lower-secondary school students. The study findings showed that obesity awareness were similar in public and private lower-secondary school students, and did not correlate with BMI level of students.