Jove
Visualize
Contact Us
JoVE
x logofacebook logolinkedin logoyoutube logo
ABOUT JoVE
OverviewLeadershipBlogJoVE Help Center
AUTHORS
Publishing ProcessEditorial BoardScope & PoliciesPeer ReviewFAQSubmit
LIBRARIANS
TestimonialsSubscriptionsAccessResourcesLibrary Advisory BoardFAQ
RESEARCH
JoVE JournalMethods CollectionsJoVE Encyclopedia of ExperimentsArchive
EDUCATION
JoVE CoreJoVE BusinessJoVE Science EducationJoVE Lab ManualFaculty Resource CenterFaculty Site
Terms & Conditions of Use
Privacy Policy
Policies

Related Concept Videos

Center of Gravity01:15

Center of Gravity

1.6K
The center of gravity is the point at which an object's weight appears to be concentrated and can be used to balance the object perfectly. This point is essential in mechanics as it provides information regarding a body's stability and moments of inertia. The center of gravity does not always have to fall within the shape or boundaries of the body; it may also lie outside the body in certain cases.
To determine its location, the principle of moments can be utilized by dividing the...
1.6K
Static Equilibrium - II01:07

Static Equilibrium - II

9.0K
Static equilibrium is a special case in mechanics that is very important in everyday life. It occurs when the net force and the net torque on an object or system are both zero. This means that both the linear and angular accelerations are zero. Thus, the object is at rest, or its center of mass is moving at a constant velocity. However, this does not mean that no forces are acting on the object within the system. In fact, there are very few scenarios on Earth in which no forces are acting upon...
9.0K
Static Equilibrium - I01:05

Static Equilibrium - I

13.3K
A rigid body is said to be in dynamic equilibrium when both its linear and angular acceleration are zero, relative to an inertial frame of reference. This means that a body in equilibrium can be moving, but only when its linear and angular velocities are constant. A rigid body is said to be in static equilibrium when it is at rest in the selected frame of reference. The distinction between static equilibrium (e.g., a state of rest) and dynamic equilibrium (e.g, a state of uniform motion) is...
13.3K
Finding the Center of Gravity01:03

Finding the Center of Gravity

3.9K
The center of gravity of a body is an imaginary point where the body's total weight is assumed to be concentrated, and the body is perfectly balanced. The center of the mass of a body is a point at which the whole of the mass of the body appears to be concentrated. If the acceleration due to gravity, g, has the same value at all points on a body, its center of gravity is identical to its center of mass. The center of gravity of homogeneous bodies such as a sphere, cube, or rectangular plate...
3.9K
Center of Mass00:59

Center of Mass

1.3K
The center of mass is the point at which the total mass of an object can be said to be concentrated. It is a fundamental principle in mechanics and physics that applies to all objects regardless of their shape or size. The center of gravity is the point at which an object’s weight appears to be concentrated and can be used to balance the object perfectly.
The knowledge of the center of mass can also help us to describe and predict the motion of objects. For example, when a ball is thrown...
1.3K
Equilibrium Conditions for a Particle01:23

Equilibrium Conditions for a Particle

1.4K
When an object is in equilibrium, it is either at rest or moving with a constant velocity. There are two types of equilibrium: static and dynamic. Static equilibrium occurs when an object is at rest, while dynamic equilibrium occurs when an object is moving with a constant velocity. In both cases, there must be a balance of forces acting on the object.
To understand the concept of equilibrium, let us first consider the forces acting on an object. When different forces act on an object, they can...
1.4K

You might also read

Related Articles

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

Sort by
Same author

Acute effect of continuous perturbations of the base of support on reactive balance response.

Scientific reports·2026
Same author

Age-related changes in static and dynamic postural balance performance.

Frontiers in aging neuroscience·2026
Same author

Activity Detection of Paralympic Athletes with Lower Limb Running-Specific Prosthesis During Extended Periods of Time: Software Development and Preliminary Validation.

Sensors (Basel, Switzerland)·2026
Same author

Self-selected music enhances bench press performance compared to no-music alone and mood compared to stimulative and no-music conditions.

Journal of sports sciences·2025
Same author

Transfer of balance performance depends on the specificity of balance training.

Journal of applied physiology (Bethesda, Md. : 1985)·2025
Same author

Impact of daily fasting duration on body composition and cardiometabolic risk factors during a time-restricted eating protocol: a randomized controlled trial.

Journal of translational medicine·2024

Related Experiment Video

Updated: Sep 13, 2025

Quantitative Static and Dynamic Assessment of Balance Control in Stroke Patients
09:17

Quantitative Static and Dynamic Assessment of Balance Control in Stroke Patients

Published on: May 17, 2020

3.4K

Exploring the relationship between static and dynamic balance performance through the same center-of-pressure

A Rizzato1, A Paoli1, Giuseppe Marcolin2

  • 1Department of Biomedical Sciences, University of Padova, Via Marzolo, 3, Padua, 35131, Italy.

BMC Sports Science, Medicine & Rehabilitation
|July 31, 2025
PubMed
Summary
This summary is machine-generated.

Static and dynamic balance in healthy adults showed no significant correlation. Quadriceps rate of force development influences dynamic balance, suggesting separate assessments are needed for comprehensive evaluation.

Keywords:
Center of pressureIsometric strengthMaximal voluntary contractionUnstable board

More Related Videos

Computerized Dynamic Posturography for Postural Control Assessment in Patients with Intermittent Claudication
14:52

Computerized Dynamic Posturography for Postural Control Assessment in Patients with Intermittent Claudication

Published on: December 11, 2013

11.5K
Postural Organization of Gait Initiation for Biomechanical Analysis Using Force Platform Recordings
06:21

Postural Organization of Gait Initiation for Biomechanical Analysis Using Force Platform Recordings

Published on: July 26, 2022

2.6K

Related Experiment Videos

Last Updated: Sep 13, 2025

Quantitative Static and Dynamic Assessment of Balance Control in Stroke Patients
09:17

Quantitative Static and Dynamic Assessment of Balance Control in Stroke Patients

Published on: May 17, 2020

3.4K
Computerized Dynamic Posturography for Postural Control Assessment in Patients with Intermittent Claudication
14:52

Computerized Dynamic Posturography for Postural Control Assessment in Patients with Intermittent Claudication

Published on: December 11, 2013

11.5K
Postural Organization of Gait Initiation for Biomechanical Analysis Using Force Platform Recordings
06:21

Postural Organization of Gait Initiation for Biomechanical Analysis Using Force Platform Recordings

Published on: July 26, 2022

2.6K

Area of Science:

  • Biomechanics
  • Human Physiology
  • Motor Control

Background:

  • Postural control involves complex systems, making balance assessment challenging.
  • Heterogeneity in dynamic balance tasks complicates evidence interpretation.
  • This study addresses the need for clearer understanding of static vs. dynamic balance relationships.

Purpose of the Study:

  • To investigate the correlation between static and dynamic balance using identical center-of-pressure (COP) parameters.
  • To explore the relationship between dynamic balance and quadriceps strength/power.
  • To provide insights for comprehensive balance assessments in healthy adults.

Main Methods:

  • Thirty-two healthy adults underwent static (upright standing) and dynamic (unstable board) balance tests using a force plate.
  • Center-of-pressure parameters (95th percentile ellipse area and mean velocity) were analyzed for both conditions.
  • Isometric quadriceps strength and rate of force development (RFD) were measured.

Main Results:

  • No statistically significant correlations were found between static and dynamic balance for Area95 or MeanVelocity.
  • Rate of force development (RFD) in the 100-150 ms window was the sole significant predictor of dynamic balance performance (Area95 and MeanVelocity).

Conclusions:

  • Static and dynamic balance performance appear independent in healthy adults.
  • Both static and dynamic balance assessments are crucial for a thorough evaluation.
  • Quadriceps RFD is a key factor in dynamic balance, highlighting its importance in functional movements.