Metabolism and Exercise

Abstract Aim: The aim of this study was to determine the effect of reduced muscle glycogen on maximal fat oxidation (MFO) and the exercise intensity at which maximal fat oxidation ... Read More

Acute effect of resistance exercise order on leptin and testosterone hormones in overweight men

Payman Salimi; Dariyosh Sheikholeslami Vatani

Volume 2, Issue 2 , July 2012, Pages 165-176

Abstract

Abstract Aim: The aim of present study was to examine the influence of acute resistance exercise orders on response serum leptin and testosterone in overweight young men. Method: ... Read More Abstract Aim: The aim of present study was to examine the influence of acute resistance exercise orders on response serum leptin and testosterone in overweight young men. Method: Fourteen young men (mean age: 21.36±1.25 years and BMI: 27.95±1.88 kg/m2) were selected randomly and completed two sessions of resistance exercise.The Exercise protocol consisted of two different protocols ]protocol A: from large to small muscles (Leg press, bench press, Lat Pull-down, overhead press, biceps curl, triceps extension (and Protocol B: from small to large muscles (Reverse Sequence of protocol B [(and with %85 of one repetition maximum (1RM) were done. For this purpose in first session randomly, half of the subjects performed protocol A and the other subjects completed the protocol B. One and two minutes rest intervals were set between sets and exercises movement, respectively. One week after, in the second session, subject’s protocols were contrary. Blood samples were collected before the exercise, immediately and 30 minutes after each exercise protocol. Hormone measurements were performed using radio immune-assay (RIA). Results: By using ANOVA with repeated measure (within and between subject effects) the results indicated that serum leptin concentrations in both protocols, was decreased significantly immediately and 30 minutes after exercise (P≤0.05). So, the testosterone concentration decreased significantly immediately (protocol B) and 30 minutes after exercise (in both protocol) (P≤0.05). While, there was no differences between sessions for leptin and testosterone. Moreover, there was correlation between leptin and testosterone in order B and not in order A (P≤0.05). Conclusion: Overall findings showed that the large or small muscles order used at the beginning of the exercise do not affect on the secretion hormone leptin and testosterone. Although, more research is needed to prove the link between these two hormones. Key words: Exercise order, Leptin, Testosterone, Acute resistance exercise

Effect of time of day exercise on acute responses of salivary IgA, cortisol,

Vahid Sari-Sarraf; Zakiyeh Tavakoly; Ramin Amirsasan

Volume 2, Issue 2 , July 2012, Pages 101-112

Abstract

Abstract Aim: To examine whether time of day significantly affects salivary IgA, cortisol, α amylase and total protein levels before and after sub-maximal swimming. Method: Fourteen ... Read More

The effect of 4 weeks resistance training on plasma omentin-1 concentrations in diabetic rats

Elaheh Talebi-Garakani; Rozita Fathi; Alireza Safarzade; Hamideh Moradi; Rihaneh Delbari

Volume 2, Issue 2 , July 2012, Pages 91-100

Abstract

Abstract Aim: The purpose of this study was to investigate the effect of 4 week resistance training on plasma omentin-1 levels in Streptozotocin induced diabetic rats. Method: In ... Read More

The effect of exercise training in water on serum adiponectin and insulin resistance in obese children and adolescents

Mohammadreza Hamedinia; Amirhosin Haghighi; Mohammadali Sardar; Javad Pourjahad

Volume 2, Issue 2 , July 2012, Pages 125-133

Abstract

Abstract Aim: The aim of this study was to determine the effect of exercise training in water on serum adiponectin and insulin resistance in obese children and adolescents. Method: ... Read More

Effects of submaximal aerobic training and following detraining on serum BDNF level and memory function in midlife healthy untrained males

Arsalan Damirchi; Karim Azali Alamdari; Parvin Babaei

Volume 2, Issue 2 , July 2012, Pages 135-147

Abstract

Abstract Aim: Brain derived neurotrophic factor (BDNF) is an important factor affecting cognitive function which has recently interested a bulk trend of effort in the health context. ... Read More

The effect of short-term HMB supplementation on plasma creatine phosphokinase level after resistance training program, in untrained women

Reza Gharakhanlou; Azadeh Narimani; Azar Aghayari

Volume 2, Issue 2 , July 2012, Pages 149-163

Abstract

Abstract Aim: The purpose of this study was to examine the effect of short term Beta-hydroxyl beta-methylbutyrate (HMB ) supplementation on plasma creatine phosphokinase (CPK) level ... Read More

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Volume & Issue: Volume 2, Issue 2, July 2012

Effect of reduced muscle glycogen on MFO and Fatmax during exercise in untrained men

Abstract

Acute effect of resistance exercise order on leptin and testosterone hormones in overweight men

Abstract

Effect of time of day exercise on acute responses of salivary IgA, cortisol,

Abstract

The effect of 4 weeks resistance training on plasma omentin-1 concentrations in diabetic rats

Abstract

The effect of exercise training in water on serum adiponectin and insulin resistance in obese children and adolescents

Abstract

Effects of submaximal aerobic training and following detraining on serum BDNF level and memory function in midlife healthy untrained males

Abstract

The effect of short-term HMB supplementation on plasma creatine phosphokinase level after resistance training program, in untrained women

Abstract