Search research articles

ABOUT JoVE

Overview Leadership Blog JoVE Help Center

AUTHORS

Publishing Process Editorial Board Scope & Policies Peer Review FAQ Submit

LIBRARIANS

Testimonials Subscriptions Access Resources Library Advisory Board FAQ

RESEARCH

JoVE Journal Methods Collections JoVE Encyclopedia of Experiments Archive

EDUCATION

JoVE Core JoVE Business JoVE Science Education JoVE Lab Manual Faculty Resource Center Faculty Site

Terms & Conditions of Use

Related Concept Videos

Stability of structures

Stability of structures

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,...

Stability

Stability

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.
The stability of an LTI system is determined by the roots of its characteristic equation, known as poles. A system is stable if it produces a bounded...

Pole and System Stability

Pole and System Stability

The transfer function is a fundamental concept representing the ratio of two polynomials. The numerator and denominator encapsulate the system's dynamics. The zeros and poles of this transfer function are critical in determining the system's behavior and stability.
Simple poles are unique roots of the denominator polynomial. Each simple pole corresponds to a distinct solution to the system's characteristic equation, typically resulting in exponential decay terms in the system's response.

Significance of Center of Mass

Significance of Center of Mass

The center of mass of an object is defined as the mass-weighted average position of all the particles that comprise the object. The significance of the center of mass of an object can be seen by looking at its dynamics. The time derivative of the center of mass gives its velocity, assuming that the object's mass remains constant over time. Furthermore, the total linear momentum of an object can be seen as the linear momentum of a single particle of the object's total mass moving with the...

Internal Forces and Center of Gravity

Internal Forces and Center of Gravity

Internal forces and the center of gravity are fundamental concepts in mechanics, playing a crucial role in understanding the behavior and stability of structures and objects under various conditions. A comprehensive understanding of these principles is essential for engineers, architects, and designers to create safe and efficient systems.
Internal forces are generated within a body due to the interaction between its particles. These forces can be categorized into tension, compression, and...

Center of Mass: Introduction

Center of Mass: Introduction

Any object that obeys Newton's second law of motion is made up of a large number of infinitesimally small particles. Objects in motion can be as simple as atoms or as complex as gymnasts performing in the Olympics. The motion of such objects is described about a point called the center of mass of the object. The center of mass of an object is a point that acts as if the whole mass is concentrated at that point. The center of mass of an object with a large number of infinitesimally small...

You might also read

Related Articles

Articles linked to this work by shared authors, journal, and citation graph.

Sort by

Same author

Re: The Fall of the postural-structural-biomechanical model in manual therapy: exemplified by lower back pain. A response to reviewers and further thoughts.

Journal of bodywork and movement therapies·2011

Same author

The fall of the postural-structural-biomechanical model in manual and physical therapies: exemplified by lower back pain.

Journal of bodywork and movement therapies·2011

Same author

Modifying the effects of cerebral palsy: the Gregg Mozgala story.

Journal of bodywork and movement therapies·2010

See all related articles

Search research articles

Related Experiment Video

Updated: Jun 17, 2026

Muscle Function Obtained with Motion Mode Ultrasound and Surface Electromyography during Core Endurance Exercise

Muscle Function Obtained with Motion Mode Ultrasound and Surface Electromyography during Core Endurance Exercise

Published on: August 25, 2022

The myth of core stability.

Eyal Lederman¹

¹CPDO Ltd., London, UK. cpd@cpdo.net

Journal of Bodywork and Movement Therapies

|December 17, 2009

Summary

This summary is machine-generated.

Core stability training is widely used for injury prevention and rehabilitation, especially for lower back pain. This article critically reviews its principles and effectiveness based on motor control and injury rehabilitation knowledge.

More Related Videos

Evaluating the Function of the Foot Core System in the Elderly

Evaluating the Function of the Foot Core System in the Elderly

Published on: March 11, 2022

Evaluating Postural Control and Lower-extremity Muscle Activation in Individuals with Chronic Ankle Instability

Evaluating Postural Control and Lower-extremity Muscle Activation in Individuals with Chronic Ankle Instability

Published on: September 18, 2020

Related Experiment Videos

Last Updated: Jun 17, 2026

Muscle Function Obtained with Motion Mode Ultrasound and Surface Electromyography during Core Endurance Exercise

Muscle Function Obtained with Motion Mode Ultrasound and Surface Electromyography during Core Endurance Exercise

Published on: August 25, 2022

Evaluating the Function of the Foot Core System in the Elderly

Evaluating the Function of the Foot Core System in the Elderly

Published on: March 11, 2022

Evaluating Postural Control and Lower-extremity Muscle Activation in Individuals with Chronic Ankle Instability

Evaluating Postural Control and Lower-extremity Muscle Activation in Individuals with Chronic Ankle Instability

Published on: September 18, 2020

Area of Science:

Sports Medicine
Rehabilitation Science
Motor Control

Background:

Core stability training is a prevalent approach for injury prevention and musculoskeletal rehabilitation.
Its application is particularly widespread in managing lower back pain.
Despite its acceptance, there has been limited critical evaluation of the core stability concept.

Purpose of the Study:

To critically re-examine the foundational principles of core stability and spinal stabilization.
To assess the efficacy of these approaches within the context of established motor control theories.
To evaluate their effectiveness in injury prevention and neuromuscular/musculoskeletal rehabilitation.

Main Methods:

Literature review and critical analysis of existing research on core stability.
Examination of original findings and theoretical underpinnings of spinal stabilization.
Synthesis of evidence from motor control and rehabilitation science.

Main Results:

The article identifies a need for a more nuanced understanding of core stability's application.
It highlights potential limitations and areas for improvement in current training protocols.
The review suggests that existing evidence may not fully support the broad application of core stability principles.

Conclusions:

The effectiveness of core stability training requires further rigorous investigation.
A deeper integration with motor control principles is needed for optimized rehabilitation strategies.
Future research should focus on refining core stability concepts for better injury prevention and recovery outcomes.