Physiological and perceptual responses to sprint interval exercise using arm versus leg cycling ergometry

IF 2.3 Q2 SPORT SCIENCES
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引用次数: 0

Abstract

Increases in power output and maximal oxygen consumption (V˙O2max) occur in response to sprint interval exercise (SIE), but common use of “all-out” intensities presents a barrier for many adults. Furthermore, lower-body SIE is not feasible for all adults. We compared physiological and perceptual responses to supramaximal, but “non-all-out” SIE between leg and arm cycling exercise. Twenty-four active adults (mean ​± ​SD age: [25 ​± ​7] y; cycling V˙O2max: [39 ​± ​7] mL·kg−1·min−1) performed incremental exercise using leg (LCE) and arm cycle ergometry (ACE) to determine V˙O2max and maximal work capacity (Wmax). Subsequently, they performed four 20 ​s bouts of SIE at 130% Wmax on the LCE or ACE at cadence ​= ​120–130 ​rev/min, with 2 ​min recovery between intervals. Gas exchange data, heart rate (HR), blood lactate concentration (BLa), rating of perceived exertion (RPE), and affective valence were acquired. Data showed significantly lower (p ​< ​0.001) absolute mean ([1.24 ​± ​0.31] L·min−1 vs. [1.59 ​± ​0.34] L·min−1; d ​= ​1.08) and peak V˙O2 ([1.79 ​± ​0.48] L·min−1 vs. [2.10 ​± ​0.44] L·min−1; d ​= ​0.70) with ACE versus LCE. However, ACE elicited significantly higher (p ​< ​0.001) relative mean ([62% ​± ​9%] V˙O2max vs. [57% ​± ​7%] V˙O2max, d ​= ​0.63) and peak V˙O2 ([88% ​± ​10%] V˙O2max vs. [75% ​± ​10%] V˙O2max, d ​= ​1.33). Post-exercise BLa was significantly higher ([7.0 ​± ​1.7] mM vs. [5.7 ​± ​1.5] mM, p ​= ​0.024, d ​= ​0.83) for LCE versus ACE. There was no significant effect of modality on RPE or affective valence (p ​> ​0.42), and lowest affective valence recorded (2.0 ​± ​1.8) was considered “good to fairly good”. Data show that non “all-out” ACE elicits lower absolute but higher relative HR and V˙O2 compared to LCE. Less aversive perceptual responses could make this non-all-out modality feasible for inactive adults.

使用手臂和腿部自行车测力计进行冲刺间歇运动的生理和知觉反应
短跑间歇运动(SIE)会增加动力输出和最大耗氧量(V˙O2max),但 "全力以赴 "强度的普遍使用对许多成年人来说是个障碍。此外,下半身 SIE 并非对所有成年人都可行。我们比较了腿部和手臂骑车运动对超大强度但 "非全力以赴 "SIE 的生理和知觉反应。24 名活泼好动的成年人(平均 ± SD 年龄:[25 ± 7] y;骑车 V˙O2max:[39 ± 7] mL-kg-1-min-1)通过腿部(LCE)和手臂循环测力(ACE)进行了增量运动,以确定 V˙O2max和最大工作能力(Wmax)。随后,他们在LCE或ACE上以130% Wmax的速度进行了4次20秒的SIE,速度=120-130转/分钟,间隔2分钟。研究人员采集了气体交换数据、心率(HR)、血乳酸浓度(BLa)、体力感知评分(RPE)和情绪情感。数据显示,与 LCE 相比,ACE 的绝对平均值([1.24 ± 0.31] L-min-1 vs. [1.59 ± 0.34] L-min-1;d = 1.08)和峰值 V˙O2([1.79 ± 0.48] L-min-1 vs. [2.10 ± 0.44] L-min-1;d = 0.70)明显较低(p < 0.001)。然而,ACE 引起的相对平均值([62%±9%] V˙O2max vs. [57%±7%] V˙O2max,d = 0.63)和峰值 V˙O2([88%±10%] V˙O2max vs. [75%±10%] V˙O2max,d = 1.33)显著更高(p < 0.001)。LCE 与 ACE 相比,运动后 BLa 明显更高([7.0 ± 1.7] mM vs. [5.7 ± 1.5] mM,p = 0.024,d = 0.83)。模式对 RPE 或情感价位没有明显影响(p > 0.42),记录到的最低情感价位(2.0 ± 1.8)被认为是 "好到相当好"。数据显示,与 LCE 相比,非 "全力以赴 "的 ACE 可引起较低的绝对心率和 V˙O2,但相对较高。较低的厌恶性知觉反应可使这种非 "全力以赴 "模式对不运动的成年人可行。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
Sports Medicine and Health Science
Sports Medicine and Health Science Health Professions-Physical Therapy, Sports Therapy and Rehabilitation
CiteScore
5.50
自引率
0.00%
发文量
36
审稿时长
55 days
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