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Showing 5 results for Body Composition

Raheleh Kermanizadeh , Amirhossein Haghighi , Roya Askari ,
Volume 20, Issue 2 (7-2018)

Background and Objective: Obesity and overwight affects on respiratory phyological indeces including pulmonary voulume, spirometery function, mechanical function of air ways neuro-muscular functions and capacity of exchange of gases. The obese and overwight subjects have high risk in reduction respiratory valume syndrome. This study was done to compare the effects of three resistance training programs with different intensities on pulmonary function, physical function and body composition in overweight girls.
Methods: In this quasi - experimental study, thirty overweight inactive girls were non-randomly divided into 3 equal groups (n=10) of resistance training with different intensity based on their 1 RM (light, 55-65%, moderate, 65-75%, and heavy, 75-85%, repsctively). The training progams were done for 9 weeks (3 sessions per week). Each session consists of 5 stations with 3 sets while rest intervals between the repetiotions and stations were 60-90 seconds and 90-120 seconds, respectively. Before and after the end of the training programs, spirometry, body composition, muscular strength and endurance of the upper body and VO2max were measured.
Results: 9 weeks resistance training program with 55-65%, 65-75%, and 75-85% 1RM intensities had no significant effect in the spirometry parameters, body weight, body mass index, upper body muscular endurance and VO2max. Fat percentage in 55-65% group significantly reduced in compared to those of 65-75%, and 75-85% 1RM groups (P<0.05). The upper body muscular strength in group with 75-85% 1RM significantly increased in compared to groups with 55-65% and 65-75% 1RM (P<0.05).
Conclusion: Overweight girls can apply resistance training with 55-65% 1RM to reduce the percent of body fat, and enhance the upper body strength through trainings with 75-85% 1RM. In relation to pulmonary function indices and indices of physical function and body composition, there was no dference between three training programs.
Amin Anami , Marzieh Nazari , Ramin Shabani ,
Volume 21, Issue 4 (12-2019)

Background and Objective: Schizophrenia is a chronic disease associated with considerable impairments to personal life and social functions. Since exercise plays an important role in these problems, this study was done to compare the effect of high-intensity interval training (HIIT) and futsal training on body composition, physical fitness, life quality, and negative symptoms in schizophrenics.
Methods: This clinical trial was performed on 42 male patients with paranoid schizophrenia in Rasht Medical Center in north of Iran during 2017. Patients were randomly assigned into three groups of HIIT (n=15), futsal (n=12) and control (n=15) groups. Data were collected before and after 8 weeks of training using quality of life questionnaire, negative symptoms assessment and some factors of physical fitness tests. HIIT program (high-intensity interval training: HIIT) was held three sessions a week with 70 to 85% of maximal heart rate and futsal training lasted three sessions a week for 40 minutes.
Results: Anaerobic power was significantly more in HIIT and futsal groups in compatre to controls (P<0.05), but anaerobic power was not significantly different between HIIT and futsal groups. Lower limb muscle power was significantly higher in the HIIT and futsal groups compared to control group (P<0.05). Lower limb muscle power was higher in the HIIT group compared to the futsal group (P<0.05). Negative symptoms were significantly lower in HIIT and futsal groups in comparison with control group (P<0.05). The quality of life difference in futsal and HIIT groups was not significant in compared to the controls.
Conclusion: It seems that HIIT is more efficient than futsal exercises, but both types of training improve some factors of physical fitness and alleviate the negative symptoms among schizophrenics.

Habib Yarizadeh, Leila Setayesh, Seyed Ali Keshavarz , Khadijeh Mirzaei ,
Volume 23, Issue 3 (10-2021)

Background and Objective: Obesity plays an important role in the development of chronic diseases including diabetes, hyperlipidemia, and cardiovascular diseases (CVD). This study was conducted to evaluate the association of the age of onset of obesity with resting metabolic rate (RMR) in overweight and obese women during adulthood.
Methods: This descriptive-analytical study was done on 295 overweight and obese women aged 18-50 years in Tehran, Iran. The anthropometric measurements of all participants were measured. Dietary intake and total daily energy intake were assessed by using a semi-quantitative food-frequency questionnaire (FFQ) which the list including 147 food items. Resting metabolic rate was measured by indirect calorimetric method. In order to measure the physical activity International Physical Activity Questionnaire (IPAQ) was used. The questionnaire includes 7 items to assess the intensity of activities by the vigorous, medium, and light for at least 10 minutes during the last week.
Results: There was a significant difference between those whose age of onset of obesity was under 18 or over 18, in RMR per body weight (kg) (Beta: 0.16, CI: 0.11 to 0.00, P: 0.03). In addition, it was seen a significant inverse correlation between age of onset of obesity and body weight (Beta: -0.11, CI: -0.30 to 0.00, P: 0.005) and adipose tissue content (Beta: -0.13,
CI: -0.23 to -0.01, P: 0.02). After adjustment for confounders including (age, physical activities, and energy intake), the correlations still remain significant.
Conclusion: Age of onset of obesity was associated with increased weight and fat and decreased resting metabolic rate in adulthood. In fact, people with lower obesity age have higher body weight and fat and lower RMR.
Hengameh Ahmadi , Arman Eslami , Mohammad Reza Honarvar , Amrollah Sharifi ,
Volume 25, Issue 2 (7-2023)

Background and Objective: Nutritional knowledge can affect food choices and, as a result, sports performance. The study of nutritional knowledge, attitude, and performance in athletes can play a fundamental role in choosing the type of training and adapting suitable dietary interventions. This study was done to evaluate the knowledge, attitude, and nutritional performance of male bodybuilding athletes in Gorgan, Iran.
Methods: This descriptive-analytical study was done on 104 male bodybuilding athletes over 18 years old with a history of at least three months of continuous bodybuilding who were randomly selected from 13 bodybuilding clubs in Gorgan, Iran during 2020. Parmenter and Wardle’s standard questionnaire measured athletes’ nutritional knowledge, attitude, and performance. The questionnaire was completed by the athletes with the guidance of the researcher. A trained nutritionist collected anthropometric and body composition data using an Omron BF511 device.
Results: Poor nutritional knowledge, poor dietary attitude and poor nutritional performance was observed in 67.3%, 33.65% and 77.88% of the athletes respectively. A significant correlation was observed between nutritional knowledge with weight (r=0.23, P=0.02), BMI (r=0.27, P=0.01), and body fat percentage (r=0.22, P=0.02). Also A significant correlation was determined between nutritional performance with body weight (r=0.31, P<0.001), BMI (r=0.27, P<0.001), exercise time per week (r=0.22, P=0.02), and exercise timespan (r=0.32, P<0.001).
Conclusion: The level of knowledge, attitude, and nutritional performance of bodybuilding athletes was weak.

Asma Shakeri , Rouhollah Haghshenas ,
Volume 25, Issue 4 (12-2023)

Background and Objective: Obesity and overweight, one of which symptoms is chronic inflammation, is associated with changes in tryptophan metabolism, culminating in numerous diseases. Sport training is among the ways to control obesity and overweight. This study was conducted to determine the effect of eight weeks of endurance training on amino acid tryptophan serum levels and body mass of overweight women.
Methods: This quasi-experimental study was conducted on 24 overweight women in two groups of 12 people, including the control and experimental groups. The mean age and standard deviation of the control and experimental groups were 41.16±3.45 and 41.08±2.93 years, respectively. The body mass was measured using the anthropometric device, and blood samples were taken in the pre-test and post-test in a 12-hour fasting condition. The subjects of the experimental group underwent endurance training 3 sessions a week for 8 weeks with an intensity of 60% to 75% of the maximal heart rate reserve. Serum tryptophan level was measured by enzyme-linked immunosorbent assay (ELISA) method.
Results: Eight weeks of endurance training led to enhancing serum tryptophan levels, reducing fat mass, and reducing body mass index (BMI) (P<0.05), and also resulted in a statistically insignificant increase in fat-free mass in overweight women.
Conclusion: Eight weeks of endurance training could be effective in improving the physiological status and body composition of overweight women.

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مجله دانشگاه علوم پزشکی گرگان Journal of Gorgan University of Medical Sciences
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