Person: GÖRGÜLÜ, RECEP
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GÖRGÜLÜ
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RECEP
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Publication Non-Invasive assessment of short and ultra-short heart rate variability during different physical and physiological tests(Univ Zagreb, Fac Kinesiology, 2021-06-01) Alparslan, Tuncay; Arabacı, Ramiz; Görgülü, Recep; ARABACI, RAMİZ; GÖRGÜLÜ, RECEP; Bursa Uludağ Üniversitesi/Spor Bilimleri Fakültesi; 0000-0001-8403-5742; 0000-0003-2590-4893; ABI-4831-2020; N-8905-2015The main aim of the present study was to determine the short- and ultra-short-term heart rate variability (HRV) during different physical and physiological tests and to compare HRV to different performance levels. The latter aim was to compare participants' short- and ultra-short-term heart rate variability before-, during-, and post-tests. Our hypothesis was that there would be a significant difference between test performance and HRV parameters, and the high performing group would have significantly higher HRV parameters than the low performing group. Fifty-three healthy men (Mage=26.9 +/- 4 years, Mheight=177.9 +/- 5.7 cm; Mweight=77.8 +/- 8.7 kg) were recruited in the current study. We completed the data collection procedure for each participant in four consecutive days. On day-1, anthropometric measurements were conducted and then participants performed isokinetic tests. On day-2, participants performed anaerobic tests; on day-3 equilibrium tests, and on day-4 aerobic capacity tests. The HRV records of all participants were obtained before, during and after all these tests. Based on the participants' performance, they were classified into two groups: participants in G1 had lower performance and those in G2 higher performance. A two-way repeated measures ANOVA yielded significant differences in HRV values obtained in the four different tests. There was a significant difference between fitness test performance groups in the variation of short- and ultra-short-term HRV parameters.Publication Ironic or overcompensation effects of motor behaviour: An examination of a tennis serving task under pressure(Mdpi, 2019-02-01) Görgülü, Recep; GÖRGÜLÜ, RECEP; Bursa Uludağ Üniversitesi/Spor Bilimleri Fakültesi.; 0000-0003-2590-4893; N-8905-2015With specific regard to the hypothesized effects of anxiety on performance in motor behaviour, the rival predictions emanating from the Wegner's "ironic processes theory" and the "implicit overcompensation hypothesis" are largely indiscriminate. Specifically, Wegner's theory predicts that self-instructions not to perform in a certain manner would lead to the very behaviour the individual seeks to avoid under pressure. On the other hand, the implicit overcompensation hypothesis predicts that avoidant instructions would produce the opposite outcome to that intended by the performer under pressure. The present novel study directly compared these predictions using a tennis serving task under manipulated instructions. The sample comprised 32 (20 men, 12 women; M-age = 20.81, SD = 2.20) experienced tennis players who performed a tennis serving task. Participants' levels of cognitive anxiety, somatic anxiety and self-confidence were measured by using Mental Readiness Form-3. A 2 (anxiety: low, high) x 3 (serving zone: target zone, non-target ironic error zone, non-target non-ironic error zone) repeated measures of ANOVA revealed a significant anxiety x serving zone interaction F(2, 62) = 32.27, p < 0.001 which provides specific support for the Wegner's ironic processes of mental control theory rather than implicit overcompensation hypothesis. More specifically, Bonferroni-corrected follow-up paired samples t-tests revealed that when instructed not to serve in a specific direction, anxious performers did so a significantly greater number of times (t(31) = -5.15, p < 0.001). The present research demonstrates that ironic performance errors are a meaningful and robust potential concern for performers who are required to perform under pressure.Publication The moderating role of narcissism between social loafing and intermittent running performance in soccer players(Human Kinetics Publ Inc, 2020-08-01) Görgülü, Recep; GÖRGÜLÜ, RECEP; 0000-0003-2590-4893; N-8905-2015