Showing 5 results for Body Composition
Mohammad Hozoori, Javad Mohtadinia, Seyedrafie Arefhosseini, Azadeh Kohandani, Maryam Chamari, Jalal Sadeghizadeh Yazdi,
Volume 1, Issue 1 (10-2016)
Abstract
Background: The present study was conducted to investigate the possible effects of L-carnitine and glutamine and their synergistic effects on male soccer athletes. Methods: 28 male soccer players (21.1 ± 0.7 y) were enrolled in a randomized pre and post intervention, double-blind design. Before the intervention, their performances were assessed by Bruce protocol, and their body composition was measured with the body composition analyzer. Then, athletes were randomly allocated into four groups: 2 g L-glutamine, 2 g L-carnitine, 2 g L-carnitine + 2 g L-glutamine and placebo. Supplements were prescribed for 21 days and after three weeks, athletes' performances and body composition were re-evaluated. Results: The results showed that body weight, body fat percentage, lean muscle mass, and dietary intake made no significant changes in different groups of athletes. In between groups comparison, results did not significantly change in any performance indices. However, in L-carnitine supplement group, the results of pre and post intervention showed that the running distance and maximal oxygen uptake (VO2max) increased significantly while the subjective sense of fatigue decreased significantly. Conclusions: Based on our findings, a three-week prescription of separateor combined glutamine and L-carnitine, had no effects on body composition or dietary intake in soccer players. But, the athletes' energy intake was more than the one reported in other studies. Although further studies are required to assess these effects on athletic performance.
Mohammadreza Erfani, Zarrintaj Hossein Zadeh, Mohammad-Rafi Bazrafshan, Kurosh Djafarian, Narges Entezami, Mina Alinavaz, Somaye Yosaee,
Volume 2, Issue 2 (2-2017)
Abstract
Background: Obesity as the excessive accumulation of adipose in adipocytes has still remained equivocal. Since diets contain many components to prevent from or promote diseases, assessing effects of the whole diet on health can be more practical. The purpose of this study was to investigate the association between quality of diets through healthy eating index (HEI), and body composition parameters in Iranian adults. Methods: This cross-sectional study included a total of 138 participants in the age range of 20-55 years, who referred to Endocrinology Center of Tehran University of Medical Sciences to receive health care services and fulfilled the eligibility criteria to participate in this study. Food frequency questionnaire (FFQ) was used to calculate HEI scores. Body composition data included: Fat mass (FM), fat free mass (FFM), abdominal fat (AF), muscle mass (MM), and total body water (TBW) that were collected by bioelectrical impedance instrument. Results: In this study the mean HEI score was 55.26. Based on HEI-2010 values, diet quality was good in 0.7% of participants, needed improvement in 55.9%, and was poor in 43.4% of the cases. There were significant linear trends between quality of diets and body composition parameters (P < 0.05). Conclusion: According to our study poor diet quality can be related to FM and obesity in Iranian adults.
Somaye Yosaee, Mohammad-Rafi Bazrafshan, Mohammadreza Erfani, Alireza Esteghamati, Banafshe Hosseini, Kurosh Djafaria ,
Volume 3, Issue 1 (1-2018)
Abstract
Background: According to previous studies, patient with metabolic syndrome (MetS) are different in terms of body composition from healthy subjects. The purpose of the present study was to determine the body composition of healthy obese/overweight patients and compared them with those having MetS. Methods: A case-control study was conducted on both men and women aged 20 to 55 years, who were selected using sequential sampling method, based on the inclusion and exclusion criteria, from those referred to an endocrinology and the diabetes clinic affiliated to Tehran University of Medical Sciences. One hundred and forty seven subjects were enrolled in the study and divided into three groups, including 49 with MetS, 49 obese/overweight subjects without MetS, and 49 were normal weight subjects. Body composition was measured for all subjects using bioelectrical impedance analysis. NCEP ATP III was the criterion for definition of Mets. Results: No significant differences were found between the study groups in terms of demographic variables. The mean of the waist circumference (WC) was higher in MetS patients (P < 0.05) as compared with the control groups. Obese/overweight group had higher percentage of body fat and lower fat free mass than normal weight group (P < 0.05). Conclusion: Obese/overweight patients with and without MetS had significantly higher fat mass and WC than normal weight controls, while only WC was higher in MetS group as compared with obese/overweight patients without MetS. Therefore, reduction in body fat and WC should be emphasized in patients with MetS.
Parsa Jahanlou, Alireza Shahab Jahanlou,
Volume 6, Issue 4 (11-2021)
Abstract
Background: Bioelectrical impedance analysis (BIA) is a new and rapid technique to validate body composition. Several studies have used this technique to evaluate body compositions, such as muscle mass, in diabetic patients, but the results are very different. This may due the differences between diabetic patients and control group. Therefore, this study aimed to compare the muscle mass of diabetic patients with healthy matched adults using the BIA method. Methods: This descriptive cross-sectional study was conducted on 928 diabetic patients and 928 healthy individuals selected based on gender, age, height, weight, and closeness to demographic conditions. Body composition was measured by the BIA technique. Total body water, muscle mass in the trunk, legs, hands, and total body protein were measured by this method. The data were analyzed using t-test, paired t-test, and one-way ANOVA. Results: Diabetic women aged 50-60 years showed that their body weight, total protein, total muscle, right-hand muscle mass, left-hand muscle mass, right foot muscle mass, left foot muscle mass, and trunk muscle mass were higher than healthy matched women, and the differences were significant. Conclusion: Diabetic women aged 50-60 years showed the most significant difference compared to other age groups. It seems that diabetes along with the changes in humeral status in this age group due to menopause affected their body weight, total muscle mass, hand and leg muscles, and trunk muscles mass, and total body protein compared to healthy matched women. However, diabetic men showed no significant difference in the studied variables compared to healthy male subjects.
Masoud Khorshidi, Sanaz Jamshidi, Javad Heshmati, Zohreh Sajadi Hezaveh, Beheshteh Olang, Omid Moradi Moghaddam, Zahra Shahveghar, Zohreh Ghoreishi, Alireza Ostadrahimi, Meysam Zarezadeh,
Volume 9, Issue 4 (11-2024)
Abstract
Beta-alanine is an important oral supplement for improving athletes’ performance, followed by probable effects on body composition. Current meta-analysis was performed to investigate the role of beta-alanine supplementation on body weight, fat mass, free fat mass, and body fat percentage in adults. Methods: Web of Science, PubMed, Scopus, Cochrane library databases, and EMBASE were searched between January 1990 and May 2021. Randomized controlled trials (RCTs) comparing beta-alanine supplementation with a placebo assessing anthropometric indices were included. Meta‐analysis was performed using the random‐effects model. Publication bias was evaluated using standard methods, and subgroup analysis and meta‐regression were carried out. Results: A total of 875 articles were identified through database searching, of which 12 RCTs with 15 datasets were included in the study. This study showed that beta-alanine supplementation did not have any significant effect on body weight [SMD, 0.08; 95% CI (−0.17, 0.33); P=0.517], fat percentage [SMD, 0.09; 95% CI (−0.18, 0.37); P=0.504], fat mass [SMD, 0.10; 95% CI (−0.29, 0.50); P=0.612], and fat free mass [SMD, 0.16; 95% CI (−0.18, 0.49); P=0.517]. Conclusions: Results showed that beta-alanine supplementation does not change body composition significantly.
