IFNH Center for Health and Human Performance, Rutgers University, New Brunswick, New Jersey.
Department of Health and Exercise Science, Rowan University, Glassboro, New Jersey.
J Strength Cond Res. 2018 Dec;32(12):3310-3318. doi: 10.1519/JSC.0000000000002872.
Cintineo, HP, Freidenreich, DJ, Blaine, CM, Cardaci, TD, Pellegrino, JK, and Arent, SM. Acute physiological responses to an intensity-and time under-under-tension-equated single- vs. multiple-set resistance training bout in trained men. J Strength Cond Res 32(12): 3310-3318, 2018-Regardless of the setting, proper manipulation of resistance training program design variables is pivotal in eliciting the desired physiological adaptations. Furthermore, how these variables, especially volume and intensity, work together to affect training outcomes is a major topic of investigation. The purpose of this study was to compare the acute biochemical, physiological, and hormonal responses of a single-set accentuated eccentric high-intensity training (HIT) protocol to a traditional 3-set protocol to better understand the acute effects of volume. Resistance-trained male college students (N = 19; age = 21.11 ± 2.5 years; height = 174.33 ± 6.83 cm; body mass = 76.72 ± 10.24 kg; %BF = 15.53 ± 6.35%) participated in this study and were randomly assigned to either the 1-set HIT protocol (HIT) or the 3-set traditional (3ST) protocol. Heart rate (HR), blood lactate, salivary testosterone, and salivary cortisol levels were measured before, during, and at multiple time points after the exercise bout. Results showed no differences in average HR or testosterone at any time point between the 2 groups. However, the 3ST group exhibited higher values of peak HR, blood lactate during exercise, and cortisol during and 30 minutes after exercise than the HIT group. This indicated that the 3ST protocol induced greater metabolic stress and disrupted the homeostatic balance to a greater magnitude than the HIT protocol despite similar time under tension. These results show that even when training to momentary muscular failure, volume seems to be a key driver of the training stimulus.
辛蒂内奥，HP，弗里登雷希，DJ，布莱恩，CM，卡达奇，TD，佩莱格里诺，JK 和阿伦特，SM。在训练有素的男性中，单次与多次设定的等张力下抗阻训练对急性生理反应的比较。J 力量与体能研究 32(12)：3310-3318，2018-无论设置如何，适当控制抗阻训练计划设计变量对于引起所需的生理适应至关重要。此外，这些变量，特别是容量和强度，如何协同作用来影响训练结果是一个主要的研究课题。本研究的目的是比较单次强调离心高强度训练（HIT）方案与传统 3 次方案的急性生化、生理和激素反应，以更好地了解容量的急性影响。本研究共有 19 名受过抗阻训练的男性大学生（年龄=21.11±2.5 岁；身高=174.33±6.83cm；体重=76.72±10.24kg；体脂率=15.53±6.35%）参与了这项研究，并被随机分配到 1 组 HIT 方案（HIT）或 3 组传统（3ST）方案。在运动过程中和运动结束后多个时间点测量心率（HR）、血乳酸、唾液睾酮和唾液皮质醇水平。结果显示，两组在任何时间点的平均 HR 或睾酮均无差异。然而，3ST 组在运动过程中、运动中和运动后 30 分钟的峰值 HR、血乳酸和皮质醇值均高于 HIT 组。这表明，尽管等张时间相似，3ST 方案引起的代谢应激和对体内平衡的破坏程度大于 HIT 方案。这些结果表明，即使在训练到肌肉力竭时，容量似乎是训练刺激的关键驱动因素。
