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https://irlib.pccu.edu.tw/handle/987654321/49475
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| 題名: | Two weeks of detraining reduces cardiopulmonary function and muscular fitness in endurance athletes |
| 作者: | Chen, YT (Chen, Yun-Tsung)
Hsieh, YY (Hsieh, Yao-Yi)
Ho, JY (Ho, Jen-Yu)
Lin, TY (Lin, Tung-Yi)
Lin, JC (Lin, Jung-Charng) |
| 貢獻者: | 運教所 |
| 關鍵詞: | Maximal oxygen uptake
muscle strength
acid-buffering capacity
body composition |
| 日期: | 2022 |
| 上傳時間: | 2021-04-14 14:31:22 (UTC+8) |
| 摘要: | We investigated the effects of 2 weeks of detraining on cardiopulmonary function and muscular fitness in 15 endurance-trained male athletes (age: 19-26 years; height: 176.1 +/- 7.5 cm; body mass: 68.3 +/- 7.6 kg). VO(2)max, exercise time to exhaustion (ET), maximal stroke volume (SVmax), maximal heart rate (HRmax), isokinetic muscle strength, and muscle endurance were measured before and after 2 weeks of detraining. We determined that short-term detraining resulted in a significant decrease (p < 0.05) in VO(2)max, ET, SVmax and isokinetic knee extensor strength but not in isokinetic knee flexor strength or muscle endurance. HRmax and body mass increased significantly (p < 0.05), whereas body fat percentage remained stable after detraining. Furthermore, significant correlations were identified between VO(2)max and SVmax (p < 0.01, r = 0.6) and between VO(2)max and knee extensor strength (p < 0.01, r = 0.6). The results suggest that 2 weeks of detraining reduces cardiopulmonary functions, possibly as a result of the attenuation of hemodynamic and neuromuscular adaptations. Moreover, we observed that short periods of detraining appeared to increase lean mass and maintain muscle endurance in endurance runners. |
| 關聯: | EUROPEAN JOURNAL OF SPORT SCIENCE 卷 22, 期 3, 頁 399 - 406 2022 |
| 顯示於類別: | [運動教練研究所] 期刊論文
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