Sanders Gabriel J, Skodinski Stacie, Cabarkapa Damjana V, Howard Mason, Cabarkapa Dimitrije, Kollock Roger O, Peacock Corey A
Department of Exercise Science, University of Cincinnati, Cincinnati, OH.
Department of Strength and Conditioning, University of Cincinnati, Cincinnati, OH.
J Strength Cond Res. 2025 Apr 1;39(4):457-465. doi: 10.1519/JSC.0000000000005030. Epub 2024 Dec 19.
Sanders, GJ, Skodinski, S, Cabarkapa, DV, Howard, M, Cabarkapa, D, Kollock, RO, and Peacock, CA. Countermovement jumps and acute to chronic workload ratios in low, moderate, and high jump load groups throughout a Division I volleyball season. J Strength Cond Res 39(4): 457-465, 2025-The purpose of the study was to evaluate the effects of low, moderate, and high jump loads on the acute to chronic workload ratio (ACWR) and neuromuscular fatigue throughout a Division I volleyball season. Twelve female volleyball athletes were monitored throughout a competitive season to track daily jump loads and measure neuromuscular fatigue based on twice-weekly countermovement jumps (CMJs) using a dual force plate. Jump loads were categorized into thirds (low, moderate, high-volume) to assess changes in neuromuscular fatigue, and a secondary evaluation examined differences in the ACWR. The results of this study were statistically significant with a p ≤ 0.05. The Wilks Lambda test in the multivariate analysis of variance found there were main effects for low, moderate, and high jump load groups ( F = 50.498, p < 0.001), weeks ( F = 3.136, p < 0.001), and significant group by week interactions ( F = 1.751, p < 0.001) for jump loads and CMJ test results. There was no main effect of week for ACWR ( F = 0.634, p = 0.849), and although statistically different, there were minimal changes in the ACWR between groups. There were significant variations in jump loads and CMJ performance between low, moderate, and high jump load groups across a 16-week season, most notably after week 5. In addition, the data highlight the limitations of the ACWR when detecting changes in athlete fatigue throughout the season.
桑德斯，GJ；斯科迪尼斯基，S；卡巴尔卡帕，DV；霍华德，M；卡巴尔卡帕，D；科洛克，RO；皮科克，CA。在一个一级排球赛季中，低、中、高跳跃负荷组的反向运动跳跃与急性与慢性负荷比值。《力量与体能研究杂志》39(4): 457 - 465，2025年 - 本研究的目的是评估在一个一级排球赛季中，低、中、高跳跃负荷对急性与慢性负荷比值（ACWR）和神经肌肉疲劳的影响。在一个竞争赛季中对12名女排运动员进行监测，以跟踪每日跳跃负荷，并使用双力板基于每周两次的反向运动跳跃（CMJ）来测量神经肌肉疲劳。跳跃负荷被分为三等份（低、中、高负荷量）以评估神经肌肉疲劳的变化，二次评估则检查ACWR的差异。本研究结果具有统计学意义，p≤0.05。方差多变量分析中的威尔克斯λ检验发现，对于跳跃负荷和CMJ测试结果，低、中、高跳跃负荷组（F = 50.498，p < 0.001）、周数（F = 3.136，p < 0.001）以及显著的组×周交互作用（F = 1.751，p < 0.001）均有主效应。周数对ACWR没有主效应（F = 0.634，p = 0.849），并且尽管在统计学上有差异，但各组之间ACWR的变化极小。在为期16周的赛季中，低、中、高跳跃负荷组之间的跳跃负荷和CMJ表现存在显著差异，最明显的是在第5周之后。此外，数据突出了ACWR在检测整个赛季运动员疲劳变化时的局限性。
