scholarly journals Effect of β-hydroxy-β-methylbutyrate Supplementation on Low Intensity Training Men and Its Effect on Body Composition and Blood Biochemistry

2009 ◽  
Vol 15 (1) ◽  
pp. 31-37
Author(s):  
Ying Lan TSAI ◽  
Chia Jung CHUNG ◽  
Hsueh Ju LIN ◽  
Richard W. SMITH
Keyword(s):  
Body Composition ◽  
Blood Lipid ◽  
Blood Biochemistry ◽  
The Body ◽  
Fat Free Mass ◽  
Blood Lipid Profile ◽  
Low Intensity ◽  
Endocrine Profile ◽  
Double Blinded ◽  
Intensity Training

LANGUAGE NOTE | Document text in English; abstract also in Chinese. The present randomized and double-blinded study investigated whether β-hydroxy-β-methylbutyrate (HMB) supplementation on low intensity training subjects had an effect on body composition and blood biochemistry. Fourteen recreational untrained college students participated in an eight-week low intensity resistant training. They were divided into two groups either an HMB group or a placebo group at the 5th week. Prior to beginning of the study a 1 RM max was performed at 1st week and again at the 4th week. 80% of 1 RM max was used as the training weight. The HMB group received 3g of HMB supplements per day from the 5th week to the 8th week. The body composition, blood biochemistry, and strength at 0 week and 8th week were measured. There were no significant differences (P<0.5) between the two groups in fat free mass, creatine kinase, endocrine profile, blood lipid profile and strength. Results indicated that low intensity training men ingesting HMB for 4 weeks did not provid any ergogenic benefit. 本研究主要探討補充β-羥基-β-甲基丁酸鹽(HMB)對低強度訓練者的身體組成和血液生化值是否有影響。研究對象為14位未受訓練的大學生參與8周的阻力訓練。在實驗開始前與第四周測量受試者的最大肌力，之後以80%最大肌力進行肌力訓練。HMB組於第5周至第8周每天補充3克的HMB，安慰劑組則補充安慰劑。於第1周和第8周測量每位受試者的身體組成、血液生化值和肌力。研究結果顯示這兩組在體脂肪百分比，肌酸激酶，內分泌，血脂和肌力沒有顯著性的差異(P<0.05)，即低強度之阻力訓練，再予以補充4周HMB並無增強作用。

scholarly journals The effects of daily intake timing of almond on the body composition and blood lipid profile of healthy adults

2017 ◽  
Vol 11 (6) ◽  
pp. 479 ◽  
Author(s):  
Yanan Liu ◽  
Hyo-Jeong Hwang ◽  
Hyesook Ryu ◽  
You-Suk Lee ◽  
Hyun-Sook Kim ◽  
...  
Keyword(s):  
Body Composition ◽  
Lipid Profile ◽  
Daily Intake ◽  
Blood Lipid ◽  
Healthy Adults ◽  
The Body ◽  
Blood Lipid Profile

scholarly journals AEROBIC TRAINING IN OBESE ADOLESCENTS: A MULTIDISCIPLINARY APPROACH

2018 ◽  
Vol 24 (4) ◽  
pp. 280-285
Author(s):  
Priscyla Praxedes Gomes ◽  
Mara Cristina Lofrano-Prado ◽  
Camila Tenório Calazans de Lira ◽  
Thiago Ricardo dos Santos Tenório ◽  
João Paulo Botero ◽  
...  
Keyword(s):  
Body Composition ◽  
Physical Training ◽  
Aerobic Training ◽  
Multidisciplinary Treatment ◽  
The Body ◽  
Fat Free Mass ◽  
Control Group ◽  
Obese Adolescents ◽  
Significant Difference ◽  
Intensity Training

ABSTRACT Introduction: The prevalence of excess weight/obesity in adolescence has increased, and physical training may be effective in combating this scenario. Objective: To analyze the effect of different intensities of aerobic training on the body composition of obese adolescents undergoing multidisciplinary intervention. Methods: In this study, 107 pubertal (Tanner 3 and 4), obese (BMI=34.72±4.10 kg/m²) adolescents (14.85±1.44 years) were randomly assigned to three groups: high intensity training (HITG – ventilatory threshold I (VTI)); low intensity training (LITG – 20% below the VTI) and control group (CG), without intervention. The adolescents in the HITG and LITG underwent nutritional and psychological (1x/week) and clinical (1 x/month) follow-up and physical training (3x/week) for 12 weeks. Results: Reductions in fat mass (FM) and body fat percentage (BFP) (p< 0.001) and an increase in fat-free mass (FFM) (p<0.001) were observed in all groups. There was a reduction in BMI only in the experimental groups (p<0.001). Conclusion: The effects of multidisciplinary treatment on the body composition of obese adolescents occur independently of the intensity of aerobic physical training. Level of Evidence I; High quality randomized clinical studies with or without statistically significant difference, but with narrow confidence intervals.

The Effect of Concurrent Training on Blood Lipid Profile and Anthropometrical Characteristics of Previously Untrained Men

2009 ◽  
Vol 6 (6) ◽  
pp. 760-766 ◽  
Author(s):  
Ehsan Ghahramanloo ◽  
Adrian W. Midgley ◽  
David J. Bentley
Keyword(s):  
Body Composition ◽  
Strength Training ◽  
Lipid Profile ◽  
Density Lipoprotein ◽  
Young Men ◽  
Blood Lipid ◽  
Fat Free Mass ◽  
Concurrent Training ◽  
Blood Lipid Profile ◽  
Training Requirements

Background:There is little information regarding the effects of concurrent training (endurance and resistance training performed in the same overall regimen) on blood lipid profile in sedentary male subjects. This study compared the effects of 3 different 8-wk training programs [endurance training (ET), strength training (ST) and concurrent training (CT)] on blood lipid profile and body composition in untrained young men.Methods:A total of 27 subjects were randomly allocated to an ET, ST or CT group which performed either progressive treadmill (ET), free weight (ST) or both the endurance and strength training requirements for 8 weeks.Results:High-density lipoprotein and low-density lipoprotein profiles significantly improved in the ET and CT groups (P < .01) but not in the ST group. Triglyceride and total cholesterol profiles significantly improved in all 3 training groups. Total fat mass significantly decreased in the ET and CT groups (P < .001) but not in the ST group, whereas fat free mass significantly increased in the ST and CT groups (P < .01) but not in the ET group.Conclusions:These results indicate that CT can be used to simultaneously improve both the serum lipid profile and body composition of previously untrained, apparently health young men.

Body Composition Modifications Due to the “Search, Rescue and Survival Training” in Male Military Firefighter Cadets

2021 ◽  
Author(s):  
Thiago Ramos de Barros ◽  
Verônica Pinto Salerno ◽  
Thalita Ponce ◽  
Míriam Raquel Meira Mainenti
Keyword(s):  
Body Composition ◽  
Body Weight ◽  
Repeated Measures ◽  
Food Restriction ◽  
Physical Exertion ◽  
High Energy ◽  
The Body ◽  
Fat Free Mass ◽  
Sleep Restriction ◽  
Fat Percentage

ABSTRACT Introduction To train and prepare cadets for a career as firefighters in Rio de Janeiro, the second-year students of the Officers Training Course are submitted to a Search, Rescue, and Survival Training (SRST) course, which is characterized by long periods of high physical exertion and sleep restriction during a 9-day instruction module, and food restriction during a 7-day survival module. The present study investigated changes in the body composition of 39 male cadets submitted to SRST during training and 4 weeks of recovery with no restrictions in food consumption. Materials and Methods Each cadet was evaluated by anthropometric measurements at six time points: pre-SRST; after the first module; after the second module; and after 1, 2, and 4 weeks of recovery. Measurements included body girths and skinfolds, to estimate trunk (chest and waist) and limbs (arm and thigh) dimensions, as well as body composition. Repeated measures ANOVA and Friedman test were applied (depending on each data distribution). Results Statistically significant decreases in body weight (76.2; 69.8-87.2 to 63.9; 58.9-73.5 kg) and fat free mass (FFM, 69.2; 63.7-77.2 to 60.1; 56.2-68.0 kg) were observed following the second module of SRST. Following a single week of recovery, the FFM returned to pre-SRST values. Body weight returned to pre-training levels in 2 weeks. Body fat percentage and mass also significantly decreased during SRST (9.0; 7.7-12.3 to 6.5; 5.1-9.3% and 6.9; 5.6-10.0 to 6.9; 5.6-10.0 kg, respectively), which showed a slower and more gradual recovery that reached pre-SRST values after 4 weeks. The girths of arm, thigh, chest and waist significantly decreased due to SRST. The girths of the limbs (arm and thigh) returned to pre-training values after one month of recovery, while the girths of the trunk (chest and waist) did not return to pre-SRST values during the study period. Conclusions The findings suggest that men who experience periods of high energy demands and sleep restriction followed by a period of food restriction will endure unavoidable physical consequences that can be mostly reversed by a 1-month recovery.

scholarly journals Seasonal and Longitudinal Changes in Body Composition by Sport-Position in NCAA Division I Basketball Athletes

Sports ◽  
2018 ◽  
Vol 6 (3) ◽  
pp. 85 ◽  
Author(s):  
Jennifer Fields ◽  
Justin Merrigan ◽  
Jason White ◽  
Margaret Jones
Keyword(s):  
Body Composition ◽  
Body Mass ◽  
Body Fat ◽  
Fat Mass ◽  
Ncaa Division I ◽  
The Body ◽  
Fat Free Mass ◽  
Strength And Conditioning ◽  
Air Displacement Plethysmography ◽  
Within Subjects

The purpose of this study was to assess the body composition of male and female basketball athletes (n = 323) across season, year, and sport-position using air displacement plethysmography. An independent sample t-test assessed sport-position differences. An analysis of variance was used to assess within-subjects across season (pre-season, in-season, and off-season), and academic year (freshman, sophomore, and junior). For both men and women basketball (MBB, WBB) athletes, guards had the lowest body fat, fat mass, fat free mass, and body mass. No seasonal differences were observed in MBB, but following in-season play for WBB, a reduction of (p = 0.03) in fat free mass (FFM) was observed. Across years, MBB showed an increase in FFM from freshman to sophomore year, yet remained unchanged through junior year. For WBB across years, no differences occurred for body mass (BM), body fat (BF%), and fat mass (FM), yet FFM increased from sophomore to junior year (p = 0.009). Sport-position differences exist in MBB and WBB: Guards were found to be smaller and leaner than forwards. Due to the importance of body composition (BC) on athletic performance, along with seasonal and longitudinal shifts in BC, strength and conditioning practitioners should periodically assess athletes BC to ensure preservation of FFM. Training and nutrition programming can then be adjusted in response to changes in BC.

Association Between Body Composition with Pulmonary Function Tests

2020 ◽  
Author(s):  
Hamidreza Pouragha ◽  
Hosein Kazemi ◽  
Gholamreza Pouryaghoub ◽  
Ramin Mehrdad
Keyword(s):  
Body Composition ◽  
Pulmonary Function ◽  
Visceral Fat ◽  
Pulmonary Function Tests ◽  
Bioelectrical Impedance ◽  
The Body ◽  
Fat Free Mass ◽  
The Other ◽  
Inverse Association ◽  
Cross Sectional

Abstract Background: Why is bodyweight not a predictor of lung function, however, height, sex, race, and age are predictors of lung capacity and function. In this study, we want to investigate the association between body composition and pulmonary function. And as much as possible, answer the question of why bodyweight is not predictive of lung function.Method: This cross-sectional study was performed among 2967 employees of Tehran University of Medical Sciences (TUMS) who participated in the TUMS Employees Cohort (TEC) study. The body composition of the participants was measured using the Bioelectrical Impedance Analysis (BIA) method. Anthropometric variables were also measured as a confounder. The pulmonary function of participants was assessed by a forced spirometry test.Results: The correlation of BIA values including fat-free mass and total body water with a pulmonary function such as FEV1, FVC, and FEF25-75 is higher than most anthropometric values such as weight, wrist circumference, and the waist to hip ratio. Also, in regression analysis, age and sex had an association with pulmonary function, but the weight did not show a significant relationship. On the other hand, fat-free mass and visceral fat were significantly associated with pulmonary function. One is direct and the other is inverse.Conclusion: The hypothesis that the results of this study created in the minds of the authors were that; The direct association of fat-free mass with pulmonary function may be ineffective by the inverse association of visceral fat with pulmonary function, leading to a lack of association between weight and pulmonary function.

scholarly journals Effects of Time-Restricted Feeding during Ramadan on Dietary Intake, Body Composition and Metabolic Outcomes

Nutrients ◽  
2020 ◽  
Vol 12 (8) ◽  
pp. 2478
Author(s):  
Farhana Osman ◽  
Sumanto Haldar ◽  
Christiani Jeyakumar Henry
Keyword(s):  
Body Composition ◽  
Dietary Habits ◽  
Disease Risk ◽  
Blood Lipid ◽  
Restricted Feeding ◽  
Blood Lipid Profile ◽  
Ramadan Fasting ◽  
Cultural Variations ◽  
Metabolic Outcomes ◽  
Food And Drink

Ramadan fasting is a form of time-restricted feeding which combines a fast and feast period daily for a duration of one month every year. During Ramadan, Muslims abstain from food and drink consumption from dawn till sunset and this change in the meal schedule and frequency results in significant changes to the composition of the diet, such as energy and nutrient intake. These changes in dietary habits and their corresponding effects on cardiometabolic disease risk are compiled in this review. Ramadan fasting shows limited benefits to body composition via reductions in body mass in both healthy and obese individuals, although the results are often found to be transient and heterogeneous. There is, however, a more consistent improvement in blood lipid profile during Ramadan fasting, which often lasts beyond the Ramadan period. The results for glucose homeostasis, on the contrary, are more conflicting and inconclusive. The heterogeneity in the findings from the various studies can be generally attributed to cultural variations in dietary habits, differences in the duration of fasting due to seasonal/climatic differences at various geographical locations, age, gender and socioeconomic status, as well as other health and lifestyle factors of the various study populations.

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