Skeletal Muscle Hypertrophy, Insulin-like Growth Factor 1, Myostatin and Follistatin in Healthy and Sarcopenic Elderly Men: The Effect of Whole-body Resistance Training

被引：33

作者：

Negaresh, Raoof ^{[1
,5
]}

Ranjbar, Rouholah ^{[1
]}

Baker, Julien S. ^{[2
]}

Habibi, Abdoihamid ^{[1
]}

Mokhtarzade, Motahare ^{[1
,5
]}

Gharibvand, Mohammad Momen ^{[3
]}

Fokin, Andrej ^{[4
]}

机构：

[1] Shahid Chamran Univ, Dept Sport Physiol, Ahvaz, Iran

[2] Univ West Scotland, Sch Sci & Sport, Paisley, Renfrew, Scotland

[3] Ahvaz Jundishapur Univ Med Sci, Dept Radiol, Ahvaz, Iran

[4] Lithuanian Sports Univ, Inst Sports Sci & Innovat, Kaunas, Lithuania

[5] Tarbiat Modares Univ, Dept Sport Physiol, Tehran, Iran

来源：

INTERNATIONAL JOURNAL OF PREVENTIVE MEDICINE | 2019年 / 10卷

关键词：

Aging; follistatin; hypertrophy; myostatin; resistance training; sarcopenia; MESSENGER-RNA; OLDER PERSONS; YOUNG; AGE; TESTOSTERONE; EXPRESSION; STRENGTH; MASS; SUPPLEMENTATION; MECHANISMS;

D O I：

10.4103/ijpvm.IJPVM_310_17

中图分类号：

R5 [内科学];

学科分类号：

1002 ; 100201 ;

摘要：

Background: Sarcopenia describes the inevitable deterioration in muscle mass and strength that accompanies biological aging. The purpose of this study was to investigate the effects of resistance training (RT) on quadriceps hypertrophy and related biochemistry in sarcopenic and healthy elderly men. Methods: A total of 31 elderly men (55-70 years old) were classified as sarcopenic and nonsarcopenic and were divided into two groups. Both groups participated in a progressive RT program for 8 weeks. Results: Data indicated that the strength in the sarcopenic group increased more than the healthy group (P < 0.05). Quadriceps cross-sectional area also increased more in the healthy group (P < 0.05). Myostatin concentration decreased in both groups after training (P < 0.05). Follistatin and testosterone increased in the healthy group; in contrast, only testosterone increased in the sarcopenic group after training (P < 0.05). Conclusions: The findings from this study suggest that RT improves muscle cross-sectional area and biomarker-related muscle loss in both healthy and sarcopenic elderly men. The findings also demonstrate that growth factor profiles at baseline and changes in testosterone levels play an important role in muscle hypertrophy observed in both groups.

引用

页数：7

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