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Cited by 363Sports Performance and TrainingCardiovascular and exercise physiologyMuscle metabolism and nutrition

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Potential for Gross Muscle Hypertrophy in Older Men

Moritani, T., Devries, H. A.·1980·Journal of Gerontology
DOI 10.1093/geronj/35.5.672
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Abstract

The time course of strength gain with respect to the contributions of neural factors and hypertrophy was studied in five young men and five older men during the course of 8 weeks progressive strength training. Young and old men showed similar and significant percentage increases in strength. However, the neurophysiological adaptations in response to the training were quite different. Increases in maximal muscle activation (neural factors) played a dominant role throughout the training for old subjects, while young subjects showed strength gains due to neural factors only at the initial stage, with hypertrophy becoming the dominant factor after some 4 weeks of training. Our data suggest that the effect of muscle training in the old may entirely rest on the neural factors presumably acting of various levels of the nervous system which could result in increasing the maximal muscle activation level in the absence of significant hypertrophy.

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Crossref · 10.1093/geronj/35.5.672

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Metadata

Authors
Moritani, T., & Devries, H. A.
Affiliations
University of Southern California (US)
Venue
Journal of Gerontology
Publisher
Oxford University Press (OUP)
Published
1980-09-01
Volume
35
Issue
5
Pages
672-682
ISSN
0022-1422 (ISSN-L)
DOI
10.1093/geronj/35.5.672
OpenAlex
W2084011411
Cited by
362
References
0
Citations by year
2026: 4 · 2025: 2 · 2024: 5 · 2023: 7 · 2022: 9 · 2021: 11 · 2020: 8 · 2019: 6 · 2018: 9 · 2017: 10 · 2016: 11 · 2015: 11 · 2014: 5 · 2013: 12 · 2012: 7
FWCI
4.44
Type
journal article
Language
en
Open access
closed
Locations
  • Journal of Gerontology (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Health Sciences › Medicine › Orthopedics and Sports Medicine › Sports Performance and Training
  • Health Sciences › Medicine › Physiology (medical) › Cardiovascular and exercise physiology
  • Health Sciences › Nursing › Nutrition and Dietetics › Muscle metabolism and nutrition
Keywords
muscle hypertrophy, older men, resistance training, neural factors, strength gain, aging, neurophysiological adaptation, progressive resistance training
MeSH terms
Adolescent, Adult, Aged, Anthropometry, Arm, Electromyography, Humans, Male, Muscles, Physical Fitness

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