Browsing by Author "Turkmen M."

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    ACE genotype may have an effect on single versus multiple set preferences in strength training
    (2005) Colakoglu M.; Cam F.S.; Kayitken B.; Cetinoz F.; Colakoglu S.; Turkmen M.; Sayin M.
    A polymorphic variant of the human angiotensin converting enzyme (ACE) gene was identified. The 'D' (rather than 'I') variant was associated with improvements in strength related to physical training. We set out to determine whether the response to different patterns of strength training might also differ. Ninty-nine Caucasian male non-elite athletes were randomly allocated into one of three groups: 31 non-training/ control (CG: 31), single-set (SSG: 35) and multiple-set (MSG: 33). SSG and MSG trained three times a week for 6 weeks. Both training groups were underwent a strength-training program with two mesocycles (12-15 repetition maximum (RM) and 8-12 RM mesocycles). One RM loads in half squat and bench press were assessed before training and after the first and second mesocycles. ACE polymorphisms analysed by polymerase chain reaction (PCR) methods. Subjects with ACE II genotype in the MST group had improved strength development in 12-15 RM, while SST and MST groups had similar gains in 8-12 RM. Subjects with ACE DD genotype in both the SSG and the MSG had similar benefits from both 12-15 RM and 8-12 RM. Strength gains for subjects with ACE ID genotype in the SSG were similar to MSG gains in response to 8-12 RM loads but not with 12-15 RM loads. Additionally, subjects with DD genotype had superior strength gains in both strength training groups. Tailoring strength training programmes (single-set vs. multiple set) according to the athlete's ACE genotype may be advantageous. © Springer-Verlag 2005.
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    Cumulative effects of conjugated linoleic acid and exercise on endurance development, body composition, serum leptin and insulin levels
    (2006) Colakoglu S.; Colakoglu M.; Taneli F.; Cetinoz F.; Turkmen M.
    Aim. The aim of this study was to evaluate the accruing effects of conjugated linoleic acid (CLA) supplementation and aerobic exercise (Ex) on body composition and serum lipid profile in humans. Methods. Forty-four healthy female young subjects were divided ExCLA, CLA, Ex and control (C) groups. The groups of CLA and ExCLA were supplemented with 3.6 g/d CLA whilst ExCLA and Ex groups were exercised for 30 min-1 · 3 days-1. week-1 for 6 weeks. Results. After the study period, fat ratio, fat mass, waist and hip girths were reduced in all experimental groups and fat-free mass induced in ExCLA and CLA groups and body weight was reduced in the CLA group when compared to baseline levels. These alterations were significantly different than those of controls with the highest variations were observed in the ExCLA. There was no change in serum leptin, apo-AI, apo-B, total cholesterol, HDL, LDL, free fatty acid, and triglyceride levels. Serum glucose concentrations of ExCLA and CLA groups and insulin level of ExCLA group decreased significantly as compared to baseline levels with only serum glucose reduction of both groups were significantly different than those of controls (P<0.05). Endurance performance significantly increased in ExCLA and Ex groups (P<0.01) but did not vary in the CLA and controls. Conclusions. It was shown that both CLA and exercise were effective in improvement of body composition and these effects were cumulated when they have been used together. CLA supplementation alone or with exercise seems effective on serum glucose and insulin concentrations but ineffective on endurance performance.
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    The effect of women entrepreneur problems on self-entrepreneurship characteristics
    (Kamla-Raj Enterprises, 2015) Turkmen M.
    The aim of this study was to determine whether the problems of women entrepreneurs have an effect on women entrepreneurs’ self-entrepreneurships in terms of how active they are in the sports sector, and to determine the levels to which this effect occurs, if such an effect is in question. The study consists of 279 active women sports entrepreneurs who were selected in accordance with the method of convenience sampling, in Izmir and Manisa.Correlation and regression analyses were done in order to introduce this relationship. According to the results, the problems faced by women entrepreneurs in the negative direction on self-entrepreneurial characteristics were concluded to have an impact. © Kamla-Raj 2015.