2009年9月
Effects of bodyweight-based exercise training on muscle functions of leg multi-joint movement in elderly individuals
GERIATRICS & GERONTOLOGY INTERNATIONAL
- ,
- ,
- 巻
- 9
- 号
- 3
- 開始ページ
- 262
- 終了ページ
- 269
- 記述言語
- 英語
- 掲載種別
- 研究論文(学術雑誌)
- DOI
- 10.1111/j.1447-0594.2009.00530.x
- 出版者・発行元
- WILEY-BLACKWELL PUBLISHING, INC
Background:
Because demands of functional exercise training with using own bodyweight for elderly individuals were increasing, the present study investigated the effects of bodyweight-based exercise training on muscle functions of leg multi-joint movements in elderly individuals.
Methods:
Twenty-seven untrained healthy elderly individuals (mean +/- standard deviation, 66.0 +/- 5.7 years) completed the training program for 10 months. The exercise program consisted mainly of exercises for large leg muscle groups without using external weight, performing 10-50 repetitions and 1-3 sets for each exercise. Before and after the training period, force-velocity relations of knee-hip extension movements were measured with a servo-controlled dynamometer and the maximum force (Fmax), velocity (Vmax) and power (Pmax) were determined.
Results:
After the training, Fmax and Pmax increased and these increases represented 15% (P < 0.001) and 13% (P < 0.01) of pre-training value, respectively, while Vmax did not change. Increases in Fmax after the training were positively correlated with the initial exercise intensity determined from bodyweight (BW)/Fmax of pre-training values (P < 0.05).
Conclusion:
A training program using bodyweight can be substantially effective in improving lower limb muscle force and power in elderly individuals; however, the initial training status is important for progressive increases in muscle force.
Because demands of functional exercise training with using own bodyweight for elderly individuals were increasing, the present study investigated the effects of bodyweight-based exercise training on muscle functions of leg multi-joint movements in elderly individuals.
Methods:
Twenty-seven untrained healthy elderly individuals (mean +/- standard deviation, 66.0 +/- 5.7 years) completed the training program for 10 months. The exercise program consisted mainly of exercises for large leg muscle groups without using external weight, performing 10-50 repetitions and 1-3 sets for each exercise. Before and after the training period, force-velocity relations of knee-hip extension movements were measured with a servo-controlled dynamometer and the maximum force (Fmax), velocity (Vmax) and power (Pmax) were determined.
Results:
After the training, Fmax and Pmax increased and these increases represented 15% (P < 0.001) and 13% (P < 0.01) of pre-training value, respectively, while Vmax did not change. Increases in Fmax after the training were positively correlated with the initial exercise intensity determined from bodyweight (BW)/Fmax of pre-training values (P < 0.05).
Conclusion:
A training program using bodyweight can be substantially effective in improving lower limb muscle force and power in elderly individuals; however, the initial training status is important for progressive increases in muscle force.
- リンク情報
-
- DOI
- https://doi.org/10.1111/j.1447-0594.2009.00530.x
- CiNii Articles
- http://ci.nii.ac.jp/naid/10025637911
- PubMed
- https://www.ncbi.nlm.nih.gov/pubmed/19702936
- Web of Science
- https://gateway.webofknowledge.com/gateway/Gateway.cgi?GWVersion=2&SrcAuth=JSTA_CEL&SrcApp=J_Gate_JST&DestLinkType=FullRecord&KeyUT=WOS:000269056900007&DestApp=WOS_CPL
- ID情報
-
- DOI : 10.1111/j.1447-0594.2009.00530.x
- ISSN : 1444-1586
- CiNii Articles ID : 10025637911
- PubMed ID : 19702936
- Web of Science ID : WOS:000269056900007