NDLI: Optimization of training: New developments in safe strength training

Content Provider	Springer Nature Link
Author	Vigradova, O. L. Popov, D. V. Netreba, A. I. Tsvirkun, D. V. Kurochkina, N. S. Bachinin, A. V. Bravyi, Ya. R. Lyubaeva, E. V. Lysenko, E. A. Miller, T. F. Borovik, A. S. Tarasova, O. S. Orlov, O. I.
Copyright Year	2013
Abstract	The hypertrophic effect of strength training is known to be due to mechanical and metabolic stimuli. During exercises with the restricted blood supply of working muscles, i.e., under the conditions of intensified metabolic stress, the training effect may be achieved with much lower external loads (20% of one repetition maximum). The effects of 8 weeks of high-intensity (80–85% of one repetition maximum) strength training were compared to low-intensity (50% of one repetition maximum) training without relaxation. The high-intensity strength training resulted in higher increases in strength and size of the exercised muscles than training without relaxation. During high-intensity training, at the muscle cross section, an increase in the area occupied by type II fibers prevails; while, during training without relaxation, an increase in the area occupied by type I fibers prevails. An exercise session without relaxation leads to a more pronounced increase in the secretion of the growth hormone, insulin-like growth factor-1, and cortisol. The expression of gene regulating myogenesis (Myostatin) is changed in different ways after a high-intensity strength exercise session and after an exercise session without relaxation. Low-intensity strength training (50% of one repetition maximum) without relaxation is an efficient way for inducing increases of the strength and size of the trained muscles. This low-intensive type of training may be used in rehabilitation medicine, sports, and fitness.
Starting Page	511
Ending Page	523
Page Count	13
File Format	PDF
ISSN	03621197
Journal	Human Physiology
Volume Number	39
Issue Number	5
e-ISSN	16083164
Language	English
Publisher	Springer US
Publisher Date	2013-10-11
Publisher Place	Boston
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	strength training skeletal muscle muscle fibers anabolic hormones gene expression Life Sciences Human Physiology Biomedicine general
Content Type	Text
Resource Type	Article
Subject	Physiology Physiology (medical)

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1	Ministry of Education (GoI), Department of Higher Education	Sanctioning Authority	https://www.education.gov.in/ict-initiatives
2	Indian Institute of Technology Kharagpur	Host Institute of the Project: The host institute of the project is responsible for providing infrastructure support and hosting the project	https://www.iitkgp.ac.in
3	National Digital Library of India Office, Indian Institute of Technology Kharagpur	The administrative and infrastructural headquarters of the project	Dr. B. Sutradhar bsutra@ndl.gov.in
4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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