Acute effect of inspiratory resistive loading on sprint interval exercise performance in team-sport athletes

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题名:	Acute effect of inspiratory resistive loading on sprint interval exercise performance in team-sport athletes
作者:	Cheng, CF (Cheng, Ching-Feng) Hsu, WC (Hsu, Wei-Chieh) Kuo, YH (Kuo, Yu-Hsuan) Chen, TW (Chen, Tzu-Wei) Kuo, YC (Kuo, Yu-Chi)
贡献者:	體育學系
关键词:	Active recovery High-intensity interval training Lactate clearance Near-infrared spectroscopy Wingate test
日期:	2020-11
上传时间:	2020-11-05 09:29:31 (UTC+8)
摘要:	This study examined acute effects of inspiratory resistive loading (IRL) during rest intervals on sprint interval exercise (SIE) performance. In a randomized crossover design, nine collegiate basketball players performed IRL (15 cmH(2)O) or passive recovery (CON) at 5-min rest intervals during and immediately after 6 sets of a 30-s SIE test. Performance, muscular oxygenation of vastus lateralis, blood lactate and pH were measured at each condition. Blood lactate at 5-min (-20.5 %) and 20-min (-21.3 %) after SIE were significantly lower in IRL than in CON. The pH at 5-min after SIE was significantly higher in IRL than in CON (+0.8 %, p < 0.05). However, the total work in IRL was significantly lower than in CON (-2.7 %, p < 0.05). Average changes in total hemoglobin at rest intervals in IRL were significantly lower than in CON (-34.5 %, p < 0.05). The IRL could attenuate exercise-induced metabolic acidosis; however, the decreased blood flow at rest intervals might increase the physical challenge in SIE.
關聯:	RESPIRATORY PHYSIOLOGY & NEUROBIOLOGY 卷冊: 282 文獻號碼: 103531
显示于类别:	[體育學系] 期刊論文

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