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    Comparison of sprint interval and continuous endurance training on oxidative stress and antioxidant adaptations in young healthy adults
    (Gdansk Univ Physical Education & Sport, 2021) Nalcakan, Gulbin Rudarli; Onur, Ece; Oran, Arzu; Varol, S. Rana
    Background: Different intensities of exercise induce varying levels of reactive oxygen species, causing oxidative stress. However, regular physical training enhances the antioxidant system and protects tissues by oxidative stress. This study aimed to investigate the difference in markers between time-efficient low-volume high-intensity interval (sprint interval training: SIT) and traditional high-volume low-intensity methods (continuous endurance training: CET) regarding oxidative stress and antioxidant levels. Material and methods: Fifteen male volunteers were divided into two groups according to their VO(2)max levels. The SIT program consisted of 4-6 Wingate all-out sprints with a 4.5 min recovery, while CET consisted of 30-50 min cycling at 60% VO(2)max for seven weeks. Total oxidant status (TOS), total antioxidant status (TAS), plasma malondialdehyde (MDA) and glutathione peroxidase (GSH-Px) levels were examined in pre and post-intervention. Results: Increases in GSH-Px (30% vs. 55%), TOS (33% vs. 18%) and a significant decrease in MDA (8.6%, p<0.003; 6.8%, p<0.016) in CET and SIT were observed, respectively. By contrast, TAS decreased (62%) after CET and increased (17%) after SIT. No significant differences in these parameters were reported after the training period between SIT and CET groups. Conclusions: SIT was suggested as a safe exercise model to improve general health and the performance of traditional CET.
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    Effect of Folk Dance Training On Blood Oxidative Stress Level Lipid and Lipoproteins
    (2016) Okdan, Bora; Nalçakan, Gülbin Rudarlı; Onur, Ece; Oran, Arzu; Nalçakan, Mesut
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    Effects of aerobic plus explosive power exercises on bone remodeling and bone mineral density in young men
    (2018) Çay, Veysi; Büyükyazı, Gürbüz; Ulman, Cevval; Taneli, Fatma; Doğru, Yeliz; Tıkız, Hakan; Oran, Arzu
    Objectives: This study aims to examine effects of aerobic jogging and explosive power exercises on body composition, maximal oxygen consumption (MaxVO2), bone mineral density (BMD) and bone turn-over markers: serum bone alkaline phosphatase (BAP), C terminal telopeptide (CTx), Procollagen type I N-terminal propeptide (PINP), in men aged between 20 and 40. Materials and methods: Thirty seven healthy males were divided into exercise group (EG, n = 19) and control group (CG, n = 18). EG completed 10 weeks of outdoor aerobic (jogging at 60–70% maximal heart rate reserve starting from 20 min steadily increasing up to 28 min) and explosive power exercises (in 2–3 sets, with maximum repetitions lasting 15 s), 3 times per week. All measurements were taken before and after the exercise program. BMD was measured via dual energy X-ray absorptiometry (DEXA). Results: Body mass index (p < 0.001) significantly decreased; MaxVO2 (p < 0.001), femur neck (p = 0.036) and total score BMD significantly increased in EG (p = 0.034). BAP and vitamin D increased in both groups (p < 0.001). Conclusion: Performing our outdoor exercise program in spring months might have an important role in the significant increase (9 vs. 22 ng/mL) in mean vitamin D level, which reached above the fracture risk level of 20 ng/mL.
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    Effects of aerobic plus explosive power exercises on bone remodeling and bone mineral density in young men
    (Walter De Gruyter Gmbh, 2018) Cay, Veysi; Buyukyazi, Gurbuz; Ulman, Cevval; Taneli, Fatma; Dogru, Yeliz; Tikiz, Hakan; Gumuser, Gul; Oran, Arzu; Keskinoglu, Pembe
    Objectives: This study aims to examine effects of aerobic jogging and explosive power exercises on body composition, maximal oxygen consumption (MaxVO(2)), bone mineral density (BMD) and bone turn-over markers: serum bone alkaline phosphatase (BAP), C terminal telopeptide (CTx), Procollagen type I N-terminal propeptide (PINP), in men aged between 20 and 40. Materials and methods: Thirty seven healthy males were divided into exercise group (EG, n = 19) and control group (CG, n = 18). EG completed 10 weeks of outdoor aerobic (jogging at 60-70% maximal heart rate reserve starting from 20 min steadily increasing up to 28 min) and explosive power exercises (in 2-3 sets, with maximum repetitions lasting 15 s), 3 times per week. All measurements were taken before and after the exercise program. BMD was measured via dual energy X-ray absorptiometry (DEXA). Results: Body mass index (p < 0.001) significantly decreased; MaxVO(2) (p < 0.001), femur neck (p = 0.036) and total score BMD significantly increased in EG (p = 0.034). BAP and vitamin D increased in both groups (p < 0.001). Conclusion: Performing our outdoor exercise program in spring months might have an important role in the significant increase (9 vs. 22 ng/mL) in mean vitamin D level, which reached above the fracture risk level of 20 ng/mL.