相关实验视频
Updated: Jun 11, 2025

02:43
Importance of Jumping Ability in Handball Throwing Speed and Accuracy
Published on: April 4, 2025
238
在英格兰英超联赛学院足球运动员中反运动跳跃和同度强度测试-测试可靠性
Matthew Springham1,2, Nav Singh2, Perry Stewart2
1Faculty of Sport, Allied Health and Performance Science, St Mary's University, London, United Kingdom.
International journal of sports physiology and performance
|October 1, 2024
概括
精英足球运动员的精英足球运动员
科学领域:
- 运动科学 运动科学 运动科学
- 生物力学 生物力学
- 人类表现的人类表现.
背景情况:
- 评估精英青年运动员的身体能力对于绩效监测和伤害预防至关重要.
- 反运动跳跃 (CMJ) 和同位体强度测试通常用于评估足球运动员的下肢力量和力量.
- 了解这些测试的可靠性对于准确解释结果至关重要.
研究的目的:
- 为了评估反运动跳跃 (CMJ) 和各种同位体强度测试措施的测试-重新测试可靠性.
- 评估这些测试在18岁以下和23岁以下的足球学院球员中可靠性的可靠性.
- 确定这些措施是否适用于监测年轻运动员的训练适应和表现.
主要方法:
- 36名精英学院足球运动员 (U18和U23) 参加了这项研究.
- 参与者在两个不同的场合完成了最大的反运动跳跃和同度拉伸器,拉伸器和后链强度测试.
- 使用双重力板和便携式强度测试装置,并使用多种方法分析相对和绝对可靠性的数据.
主要成果:
- 反运动跳跃和同度添加器强度测量结果显示相对可靠性很好或很好.
- 绝对可靠性对于大多数CMJ变量和一些异面度量是好的.
- 通常使用的CMJ和同度峰值力测量结果显示相对可靠性很好或很好,但具有显著的最小可检测变化百分比 (MDC%).
结论:
- 标准的反运动跳跃和同度强度测试在精英青年足球运动员中表现出良好的测试复试可靠性.
- 这些常见指标的最小可检测变化 (MDC%) 可能会限制它们检测小而有意义的变化的灵敏度.
- 测量力率发展和冲动的指标显示可靠性较差,MDC%较高,这表明在监测时应谨慎使用它们.
相关概念视频
Reliability and Validity
12.7K
Reliability and validity are two important considerations that must be made with any type of data collection. Reliability refers to the ability to consistently produce a given result. In the context of psychological research, this would mean that any instruments or tools used to collect data do so in consistent, reproducible ways.
12.7K
Exercise and Muscle Performance
1.4K
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...
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...
1.4K
Non-destructive Tests for Concrete Strength
113
The rebound hammer test, also known as the Schmidt hammer test, is a non-destructive technique for evaluating the hardness of concrete and, indirectly, the strength of concrete. It operates on the principle that the rebound of a spring-driven mass from a concrete surface correlates to the surface's hardness. The device comprises a mass within a tubular housing, a spring mechanism, and a plunger that strikes the concrete. Upon release, the energy imparted to the mass by the spring causes it...
113
Exercise Stress Test
177
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
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
177
McNemar's Test
167
McNemar's Test is a nonparametric statistical test used to determine if there is a significant difference in proportions between two related groups when the outcome is binary (e.g., yes/no, success/failure). It is beneficial when we have paired data, such as pre-test/post-test designs, where the same subjects are measured under two different conditions. The test is named after the statistician Quinn McNemar, who introduced it in 1947. It is commonly used in situations where subjects are...
167
Isotonic and Isometric Muscle Contractions
2.8K
Two primary types of muscle contractions are isotonic and isometric, each serving unique functions and involving distinct mechanisms. Both isotonic and isometric contractions are integral to the body's complex system of movement and stability. Isotonic exercises contribute significantly to functional strength and movement, while isometric contractions are crucial for maintaining posture and joint stability.
Isotonic contractions
Isotonic contractions occur when a muscle changes length while...
Isotonic contractions
Isotonic contractions occur when a muscle changes length while...
2.8K

