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Effects of Moderate- versus Mixed-Intensity Training on VO2peak in Young Well-Trained Rowers
Sports Pub Date : 2021-06-25 , DOI: 10.3390/sports9070092
Timo Kirchenberger 1 , Sascha Ketelhut 2 , Reinhard G Ketelhut 3
Affiliation  

The effects of moderate-intensity continuous training (MICT) and a combination of MICT and high-intensity interval training (HIIT) on rowing performance and VO2peak were investigated in young athletes. Seventeen well-trained rowers (aged 15 ± 1.3 years) were randomly allocated to an intervention (IG) (n = 10) and control group (CG) (n = 7). During 8 weeks, both groups took part in the regular rowing training (3×/week MICT, 70–90 min, 65–70% of HRpeak + 2×/week resistance training). The IG completed an additional high-intensity interval training twice weekly (2 × 4 × 2 min at ≈95% of HRpeak, 60 s rest). Instead of the HIIT, the CG completed two more MICT sessions (70–90 min, 65–70% of HRpeak). Before and after the intervention, a 2000 m time trial and an exercise test were performed. The IG showed a significant improvement (p = 0.001) regarding the absolute rowing time in the graded exercise test. Furthermore, the intervention group showed a significant increase in relative VO2peak (p = 0.023), a significant increase in absolute VO2peak (p = 0.036), and a significant improvement in the 2000 m time trail (p = 0.003). No significant changes could be detected in the CG. The interaction effects were not significant. A mixed-intensity training, including HIIT, was beneficial on rowing performance and VO2peak in highly trained athletes.

中文翻译:

中等强度和混合强度训练对年轻训练有素的赛艇运动员 VO2peak 的影响

研究了中等强度持续训练 (MICT) 以及 MICT 与高强度间歇训练 (HIIT) 相结合对年轻运动员的赛艇成绩和 VO 2峰值的影响。17 名训练有素的赛艇运动员(年龄 15 ± 1.3 岁)被随机分配到干预组 (IG) ( n = 10) 和对照组 (CG) ( n= 7)。8周期间,两组均参加常规赛艇训练(3次/周MICT,70-90分钟,HRpeak的65-70% + 2次/周阻力训练)。IG 每周完成两次额外的高强度间歇训练(2 × 4 × 2 分钟,HRpeak 的 ≈95%,休息 60 秒)。除了 HIIT,CG 还完成了两个 MICT 会话(70-90 分钟,HRpeak 的 65-70%)。干预前后分别进行了2000米计时赛和运动测试。在分级运动测试中,IG在绝对划船时间方面显示出显着改善 ( p = 0.001)。此外,干预组显示相对VO 2峰值显着增加(p = 0.023),绝对VO 2峰值显着增加(p= 0.036),并且在 2000 米时间轨迹上有显着改善(p = 0.003)。在CG中没有检测到显着变化。交互作用不显着。包括 HIIT 在内的混合强度训练有利于训练有素的运动员的赛艇成绩和 VO 2峰值。
更新日期:2021-06-25
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