相关实验视频

Updated: Jun 5, 2025

A Modified Lean and Release Technique to Emphasize Response Inhibition and Action Selection in Reactive Balance
07:19

A Modified Lean and Release Technique to Emphasize Response Inhibition and Action Selection in Reactive Balance

Published on: March 19, 2020

5.7K

全身角动量是反应平衡适应和扰动强度的特征

Mitchell D Adam1, Delaney McElvain2, T George Hornby3

  • 1Marquette University Department of Physical Therapy, Schroeder Complex, 346. 560 N. 16(th) St., Milwaukee, WI 53233, USA.

Journal of biomechanics
|December 13, 2024
PubMed
概括

全身角动量 (H) 测量,特别是峰值差异 (HR) 和轨迹维护 (PNT),有效量化了走路时的反应平衡适应. 这些指标有助于跟踪基于扰动的步态干预措施的进展,以改善稳定性.

关键词:
适应 适应 适应布 布 布 的 布 布 的步行方式 步行方式强度的强度,就是强度.扰动 扰动 扰动反应平衡的反应平衡.重复的重复,就是重复.稳定的稳定性 稳定的稳定性整个身体的角度动量 角度动量

更多相关视频

Experimental Methods to Study Human Postural Control08:12

Experimental Methods to Study Human Postural Control

Published on: September 11, 2019

9.4K
An Instrumented Pull Test to Characterize Postural Responses12:18

An Instrumented Pull Test to Characterize Postural Responses

Published on: April 6, 2019

10.7K

相关概念视频

Angular Momentum about an Arbitrary Axis01:11

Angular Momentum about an Arbitrary Axis

Imagine a rigid body with a mass denoted as 'm', which has its center of mass at point G and is rotating around an inertial reference frame. The angular momentum at an arbitrary point P can be calculated by taking the cross product of the position vector and linear momentum vector for each individual mass element.
The velocity of a mass element comprises its translational velocity and the relative velocity instigated by the body's rotation. Substituting the velocity equation into...
191
Angular Momentum: Rigid Body01:11

Angular Momentum: Rigid Body

The total angular momentum of a rigid body can be calculated using the summation of the angular momentum of all the tiny particles rotating in the same plane. Considering all the tiny particles rotating in the x-y plane, the direction of angular momentum of all such particles and that of the rigid body would be perpendicular to the plane of the rotation along the z-axis.
This calculation can get complicated when tiny particles within the rigid body are not rotating in the same plane but have...
8.6K
Conservation of Angular Momentum01:09

Conservation of Angular Momentum

A system's total angular momentum remains constant if the net external torque acting on the system is zero. Considering a system that consists of n tiny particles, the angular momentum of any tiny particle may change, but the system's total angular momentum would remain constant. The principle of conservation of angular momentum only considers the net external torque acting on the system. While there are internal forces exerted by different particles within the system that also produce...
10.2K
Conservation of Angular Momentum: Application01:18

Conservation of Angular Momentum: Application

A system's total angular momentum remains constant if the net external torque acting on the system is zero. Examples of such systems include a freely spinning bicycle tire that slows over time due to torque arising from friction, or the slowing of Earth's rotation over millions of years due to frictional forces exerted on tidal deformations. However in the absence of a net external torque, the angular momentum remains conserved. The conservation of angular momentum principle requires a...
10.8K
Angular Momentum: Single Particle01:10

Angular Momentum: Single Particle

Angular momentum is directed perpendicular to the plane of the rotation, and its magnitude depends on the choice of the origin. The perpendicular vector joining the linear momentum vector of an object to the origin is called the “lever arm.” If the lever arm and linear momentum are collinear, then the magnitude of the angular momentum is zero. Therefore, in this case, the object rotates about the origin such that it lies on the rim of the circumference defined by the lever arm...
6.1K
Angular Momentum and Principle Axes of Inertia01:09

Angular Momentum and Principle Axes of Inertia

The concept of angular momentum for a solid structure is illustrated as the cumulative result of the cross-product of the position vector of the mass element and the cross-product of the body's angular velocity with the position vector.
To put this equation into simpler terms, it can be reconfigured using rectangular coordinates. This involves choosing an alternative set of XYZ axes that are arbitrarily inclined with respect to the reference frame. The process of deriving the rectangular...
198