相关实验视频
Updated: Jul 4, 2025

02:43
Importance of Jumping Ability in Handball Throwing Speed and Accuracy
Published on: April 4, 2025
358
工作负载比较当代间隔投程序和棒球投手的新型优化程序
Brittany Dowling1,2, Christopher M Brusalis3, John T Streepy4
1Midwest Orthopaedics at RUSH.
International journal of sports physical therapy
|February 5, 2024
概括
棒球投手目前的间隔投篮计划 (ITP) 缺乏一致的进展. 一个新的基于计算模型的ITP确保工作量逐渐增加,减少康复期间的受伤风险,并优化恢复游戏.
科学领域:
- 运动医学 运动医学
- 生物力学 生物力学
- 康复科学 康复科学 康复科学
背景情况:
- 对于受伤的棒球投手有效的间隔投篮计划 (ITPs) 缺乏共识.
- 目前的ITP的工作负载不断增加的进展情况尚不清楚.
研究的目的:
- 评估三种常见的ITP,用于控制的,渐进的抛物负载增加.
- 开发一种具有稳定,可预测的训练负载进展的新型ITP.
主要方法:
- 分析了三个ITP,计算了肘部扭矩和急性:慢性工作负载比 (ACWR).
- 模拟了工作负载的进展,并使用计算方法设计了一个新的ITP,用于逐渐增加ACWR.
主要成果:
- ITP显示出不同的投进展,ACWR经常落在安全范围 (0.7-1.3) 外.
- 一个新的146天ITP被设计成一致的ACWR,避免不安全的尖峰.
结论:
- 棒球投手康复的现有ITP显示负载进展不一致.
- 计算建模可以创建ITP,增加工作负载,帮助恢复和恢复竞争.
相关概念视频
Projectile Motion
15.3K
An object thrown in the air follows a parabolic path under the influence of Earth's gravitational force. The motion of such an object is called projectile motion, and the object itself a projectile. The parabolic path followed by the projectile is called the trajectory. Some common examples of projectile motion are the launching of fireworks, a golf ball in the air, meteors entering the Earth's atmosphere, and the firing of bullets.
When an object falls under gravity and has no...
When an object falls under gravity and has no...
15.3K
Projectile Motion: Example
9.7K
The theory of projectile motion is very useful for players of several sports to improve their performance. For example, a javelin thrower needs to throw their javelin in such a way that it travels as far as possible. The javelin thrower takes a short run-up to increase the initial speed of the javelin. The range of a projectile is at its maximum at a 45° angle so javelin throwers try to angle their throw as close to 45° as possible.
When we speak of the range (R) of a projectile on...
When we speak of the range (R) of a projectile on...
9.7K
Force and Momentum
15.9K
Force and momentum are intimately related. Force acting over time can change momentum, and Newton's second law of motion can be stated in its most broadly applicable form in terms of momentum. Momentum can be applied to systems where the mass is changing, such as rockets, as well as to systems of constant mass. Also, momentum continues to be a key concept in the study of atomic and subatomic particles in quantum mechanics. One can consider systems with varying mass in some detail; however,...
15.9K
Multiple Comparison Tests
3.9K
Multiple comparison test, abbreviated as MCT, is a post hoc analysis generally performed after comparing multiple samples with one or more tests. An MCT will help identify a significantly different sample among multiple samples or a factor among multiple factors.
It would be easy to compare two samples using a significance alpha level of 0.05. In other words, there is only one sample pair to be compared. However, it would be difficult to identify a significantly different sample if the number...
It would be easy to compare two samples using a significance alpha level of 0.05. In other words, there is only one sample pair to be compared. However, it would be difficult to identify a significantly different sample if the number...
3.9K
Projectile Motion: Equations
10.3K
Projectile motion is commonly observed in our day-to-day life. For example, a basketball thrown by a player, an arrow shot from a bow, and kids jumping into the pool, all undergo projectile motion.
Any projectile motion problem can be solved by using the following strategy:
Any projectile motion problem can be solved by using the following strategy:
10.3K
Interpreting Run Charts
101
Run charts, essentially line graphs plotted over time, serve as fundamental yet effective tools for process analysis. They chronicle data sequentially, facilitating the identification of trends, shifts, or cyclical movements. This graphical representation is instrumental in determining whether a process is stable or exhibits signs of potential instability indicative of special cause variation. In the healthcare domain, run charts depict infection rates over time, enabling hospitals to monitor...
101

