Effect of branched-chain amino acids supplementation with two different amounts on anabolic hormone response after heavy resistance activity in Paralympic weightlifters

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AMIRSASAN RAMIN; RAVASI ALI ASGHAR; Mirza Hoseini Omid; ARMANFAR MOSTAFA; Ghodsmirheidari Fazlollah

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Journal: JOURNAL OF APPLIED HEALTH STUDIES IN SPORT PHYSIOLOGY Year:2018 | Volume:5 | Issue:1 Page(s): 62-68

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Title

Effect of branched-chain amino acids supplementation with two different amounts on anabolic hormone response after heavy resistance activity in Paralympic weightlifters

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Keywords

human Growth hormone

Insulin-like growth factor-1

Resistance Exercise

Branched Chain Amino Acids

Abstract

A number of physiological stimuli can initiate human Growth hormone (hGH) secretion non-pharmacological of which are sleep, amino acid content of the diet and exercise. Therefore, the aim of this research was to evaluate the effect of Branched Chain Amino Acids (BCAA) supplementation on hGH and insulin like growth factor (IGF-1) in elite male Paralympic weightlifters. In this semi-experimental study, 21 male Paralympic weightlifters (Age, 24. 9± 1. 62; body mass index, 27. 76± 0. 32 kg/m2) in a randomly and double-blind design were allocated in three equal groups: BCAA group 1 (N=7: 240 mg/kg/day), BCAA group 2 (N=7: 480 mg/kg/day) and placebo group (N=7, dextrose: 120 mg/kg/day). One week before of test, all participants were consumed 120 mg of the BCAA or placebo per kg of body weight. Then, all subjects performed a single bout of Resistance Exercise (RE). Blood samples were obtained in the 3 phases: 30 minutes prior to RE, 30 minutes post RE and 2 hours post RE. The results showed that BCAA supplementation at doses of 240 and 480 mg/kg/day does not have a significant effect on the response of hGH and IGF-I to upper body Resistance Exercise in the disabled weightlifters (p>0. 05). There was no difference between groups in terms of increased of hormones concentrations (p>0. 05). The results of this study appear to support the hypothesis that Resistance Exercise is a potent physiological stimulus for hGH and IGF-1 secretion, and BCAA supplementation does not increase response of these hormones.

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APA: Copy

AMIRSASAN, RAMIN, RAVASI, ALI ASGHAR, Mirza Hoseini, Omid, ARMANFAR, MOSTAFA, & Ghodsmirheidari, Fazlollah. (2018). Effect of branched-chain amino acids supplementation with two different amounts on anabolic hormone response after heavy resistance activity in Paralympic weightlifters. JOURNAL OF APPLIED HEALTH STUDIES IN SPORT PHYSIOLOGY, 5(1 ), 62-68. SID. https://sid.ir/paper/269314/en

Vancouver: Copy

AMIRSASAN RAMIN, RAVASI ALI ASGHAR, Mirza Hoseini Omid, ARMANFAR MOSTAFA, Ghodsmirheidari Fazlollah. Effect of branched-chain amino acids supplementation with two different amounts on anabolic hormone response after heavy resistance activity in Paralympic weightlifters. JOURNAL OF APPLIED HEALTH STUDIES IN SPORT PHYSIOLOGY[Internet]. 2018;5(1 ):62-68. Available from: https://sid.ir/paper/269314/en

IEEE: Copy

RAMIN AMIRSASAN, ALI ASGHAR RAVASI, Omid Mirza Hoseini, MOSTAFA ARMANFAR, and Fazlollah Ghodsmirheidari, “Effect of branched-chain amino acids supplementation with two different amounts on anabolic hormone response after heavy resistance activity in Paralympic weightlifters,” JOURNAL OF APPLIED HEALTH STUDIES IN SPORT PHYSIOLOGY, vol. 5, no. 1 , pp. 62–68, 2018, [Online]. Available: https://sid.ir/paper/269314/en

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