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相关概念视频

Exercise and Muscle Performance01:27

Exercise and Muscle Performance

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Exercise induces a range of adaptations in muscle tissue, depending on the type and duration of activity. Such physical training can be broadly categorized into two types: endurance exercises and resistance exercises.
Endurance exercises
Endurance exercises involve running, swimming, or cycling, which require repetitive movements with low force output. When a person engages in endurance exercise, a few noticeable changes occur in their skeletal muscles. For instance, the number of capillaries...
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Spearman's Rank Correlation Test01:20

Spearman's Rank Correlation Test

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Spearman's rank correlation test, also known as Spearman's rho, is a nonparametric method for assessing the strength and direction of association between two variables. This test is particularly valuable when the data distribution is unknown or when the assumption of normality does not hold. Named after the English psychologist and statistician Dr. Charles Edward Spearman, it serves as the nonparametric counterpart to Pearson's correlation coefficient.
Spearman's test calculates correlation by...
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Exercise Stress Test01:26

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Introduction
Exercise stress testing, commonly known as a treadmill test, is a noninvasive procedure used to evaluate cardiovascular function and diagnose heart conditions.
Definition
An exercise stress test measures the heart's response to exertion using a treadmill or stationary bicycle. Chest electrodes record the heart's electrical activity through an ECG, and blood pressure is monitored regularly.
Purposes
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Stability of structures01:14

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In mechanical engineering, the stability of systems under various forces is critical for designing durable and efficient structures. One fundamental way to explore these concepts is by analyzing systems like two rods connected at a pivot point, O, with a torsional spring of spring constant k at the pivot point. This system is similar in appearance to a scissor jack used to change tires on a car. In this case, the arms of the linkage (equivalent to the rods in this system) are entirely vertical,...
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Two-Way ANOVA01:17

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The two-way ANOVA is an extension of the one-way ANOVA. It is a statistical test performed on three or more samples categorized by two factors - a row factor and a column factor. Ronald Fischer mentioned it in 1925 in his book 'Statistical Methods for Researchers.'
The two-way ANOVA analysis initially begins by stating the null hypothesis that there is an interaction effect between the two factors of a dataset. This effect can be visualized using line segments formed by joining the...
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The time response of a linear time-invariant (LTI) system can be divided into transient and steady-state responses. The transient response represents the system's initial reaction to a change in input and diminishes to zero over time. In contrast, the steady-state response is the behavior that persists after the transient effects have faded.
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相关实验视频

Updated: Jan 8, 2026

Muscle Function Obtained with Motion Mode Ultrasound and Surface Electromyography during Core Endurance Exercise
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核心力量,核心稳定性和运动表现之间的关系 - - 一种调解分析方法.

Sarah Schulte1, Matthias Lukas1, Jessica Bopp1

  • 1Institute of Sport Science, Carl von Ossietzky Universität Oldenburg, Oldenburg, Germany.

Frontiers in sports and active living
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概括

最大核心强度直接影响运动员的跳跃表现. 核心稳定性似乎没有调解这种关系,这表明部强度可能是关键因素. 建议进行进一步的研究.

关键词:
在ULESS测试中,诊断 诊断 诊断 诊断 诊断跳跃表现的跳跃表现动力学是动力学.下肢的下肢是什么意思后备箱 后备箱 后备箱

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科学领域:

  • 生物力学 生物力学
  • 运动科学 运动科学 运动科学
  • 运动学 运动学

背景情况:

  • 核心力量和稳定性对于体育表现至关重要.
  • 核心强度,核心稳定性和运动结果之间的确切关系在科学文献中仍然不清楚.
  • 功能解剖学表明,核心稳定性可能间接影响核心强度和性能之间的联系.

研究的目的:

  • 研究核心力量,核心稳定性和运动表现之间的关系.
  • 为了确定核心稳定性是否介导核心强度对运动表现的影响.

主要方法:

  • 41名成年体育学生参加了实验室测试.
  • 竞技表现通过跳跃高度评估,在单腿下降跳跃时使用力板.
  • 核心稳定性被评估使用动力学数据 (骨盆倾斜,干部倾斜,膝盖角度) 从记录下来的跳跃下降.
  • 核心强度和功率通过同度练习 (屈曲,伸展,侧向屈曲) 进行测量.

主要成果:

  • 调解分析显示,核心稳定性对核心强度和跳跃性能之间的关系没有显著的间接影响.
  • 在最大核心强度和跳跃性能之间发现了一种小的,具有统计学意义的直接影响.
  • 在本研究中,核心稳定性并没有介导核心强度和跳跃性能之间的联系.

结论:

  • 核心稳定性似乎没有调解核心强度和跳跃性能之间的关系在研究的背景下.
  • 最大核心强度与跳跃性能有直接关联.
  • 未来的模型应该考虑将部肌肉力量作为预测或调解因潜在的力传递问题而考虑.