| Title |
Effects of strength training and immobilization on human muscle fibres
|
|---|---|
| Published in |
European Journal of Applied Physiology, February 1980
|
| DOI | 10.1007/bf00421352 |
| Pubmed ID | |
| Authors |
J. D. MacDougall, G. C. B. Elder, D. G. Sale, J. R. Moroz, J. R. Sutton |
| Abstract |
Seven healthy male subjects were studied under control conditions and following 5-6 months of heavy resistance training and 5-6 weeks of immobilization in elbow casts. Cross-sectional fibre areas and nuclei-to-fibre ratios were calculated from cryostat sections of needle biopsies taken from triceps brachii. Training resulted in a 98% increase in maximal elbow extension strength as measured by a Cybex dynamometer, while immobilization resulted in a 41% decrease in strength. Both fast twitch (FT) and slow twitch (ST) fibre areas increased significantly with training by 39% and 31%, respectively. Immobilization resulted in significant decreases in fibre area by 33% for FT and 25% for ST fibres. The observed nuclei-to-fibre ratio was 10% greater following the training programme. However, this change was non-significant. There was also a non-significant correlation between the magnitude of the changes in fibre size and the changes in maximal strength following either training or immobilization. |
Mendeley readers
The data shown below were compiled from readership statistics for 136 Mendeley readers of this research output. Click here to see the associated Mendeley record.
Geographical breakdown
| Country | Count | As % |
|---|---|---|
| Canada | 1 | <1% |
| Unknown | 135 | 99% |
Demographic breakdown
| Readers by professional status | Count | As % |
|---|---|---|
| Student > Bachelor | 25 | 18% |
| Student > Master | 24 | 18% |
| Student > Ph. D. Student | 23 | 17% |
| Researcher | 16 | 12% |
| Student > Doctoral Student | 7 | 5% |
| Other | 25 | 18% |
| Unknown | 16 | 12% |
| Readers by discipline | Count | As % |
|---|---|---|
| Sports and Recreations | 40 | 29% |
| Medicine and Dentistry | 24 | 18% |
| Biochemistry, Genetics and Molecular Biology | 12 | 9% |
| Nursing and Health Professions | 8 | 6% |
| Agricultural and Biological Sciences | 7 | 5% |
| Other | 20 | 15% |
| Unknown | 25 | 18% |
Attention Score in Context
This research output has an Altmetric Attention Score of 3. This is our high-level measure of the quality and quantity of online attention that it has received. This Attention Score, as well as the ranking and number of research outputs shown below, was calculated when the research output was last mentioned on 06 April 2023.
All research outputs
#8,535,684
of 25,374,917 outputs
Outputs from European Journal of Applied Physiology
#2,159
of 4,345 outputs
Outputs of similar age
#4,791
of 27,930 outputs
Outputs of similar age from European Journal of Applied Physiology
#2
of 4 outputs
Altmetric has tracked 25,374,917 research outputs across all sources so far. This one is in the 43rd percentile – i.e., 43% of other outputs scored the same or lower than it.
So far Altmetric has tracked 4,345 research outputs from this source. They typically receive a lot more attention than average, with a mean Attention Score of 14.6. This one is in the 39th percentile – i.e., 39% of its peers scored the same or lower than it.
Older research outputs will score higher simply because they've had more time to accumulate mentions. To account for age we can compare this Altmetric Attention Score to the 27,930 tracked outputs that were published within six weeks on either side of this one in any source. This one is in the 27th percentile – i.e., 27% of its contemporaries scored the same or lower than it.
We're also able to compare this research output to 4 others from the same source and published within six weeks on either side of this one. This one has scored higher than 2 of them.