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    The effect of exercises on left ventricular systolic and diastolic heart function in sedentary women: Step-aerobic vs core exercises
    (Elsevier Singapore Pte Ltd, 2017) Cicek, Guner; Imamoglu, Osman; Gullu, Abdullah; Celik, Oguzhan; Ozcan, Oguzhan; Gullu, Esin; Yamaner, Faruk
    The purpose of this study is to investigate the effect of 16 weeks step-aerobic exercises and core exercises on left ventricular structure and function with some physiological parameters in sedentary women. Methods: To achieve the purpose of this study, a total of 45 volunteers including (step-aerobic group (SAG, n = 25), core exercise group (CEG, n = 20) were selected as participants. Two different exercises were applied for 4 days a week, throughout 16 weeks, within 60 minutes for each exercise with the intensity of heart rate (HR) 60-70 percent. The HR was measured using a heart rate monitor for each subject. The physical, biochemical and echocardiographic characteristics of the women were measured before and after the exercise. Results: During the exercise periods, there were a meaningful decrease in the body weight, BMI, value of waist region and hip circumference of the women in both intervention groups as well as in the values of HR, DBP, SBP (p < 0,05). In addition, serum homocysteine (Hcy) and high-sensitivity C-reactive protein (Hs-CRP) levels decreased and the VO2max and left ventricular diastolic end-diastolic dimension increased in both SAG and CEG (p < 0.05). The left ventricular diastolic functions of the SAG improved more than CEG. Left ventricular systolic ejection time and fractional shortening meaningfully improved in both SAG and CEG (p < 0.01). Conclusion: 16 weeks of step-aerobic and core exercise showed significant changes of inflammatory and lipid markers with cardiac dimensions and had favorable effects on both left ventricular systolic function. Left ventricular diastolic function had more improved in SAG than the CEG. (c) 2017 The Society of Chinese Scholars on Exercise Physiology and Fitness. Published by Elsevier (Singapore) Pte Ltd.
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    The effects of two different exercise programmes on adipose tissue hormones in sedentary middle-aged women
    (Taylor & Francis Ltd, 2015) Ozcan, Oguzhan; Bostanci, M. Omer; Cicek, Guner; Yamaner, Faruk
    Adipokines play an important role in obesity and related inflammatory disorders. We aimed to determine the effects of exercise training on serum adipokines. Forty sedentary women were randomly assigned to two groups as aerobic (AE) and core exercise (CE). The exercise programmes were performed 4 days a week for 16 weeks. Blood samples were taken before and after the 8 and 16 weeks training period. Percent changes of each parameter were calculated. Sixteen weeks of exercise caused significant decrease in body weight and fat mass (p<0.001), significant increase in adiponectin (16.1% in AE, 15.8% in CE group, p<0.05) and resistin levels (21.1% in AE and 26.6% in CE group, p<0.05) but had no effect on leptin and ghrelin levels. Eight weeks of exercise had no effect on adipokines except leptin. These data suggest that both exercise programmes have improving effects on body composition, adiponectin and resistin levels.