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

Control Systems01:10

Control Systems

2.0K
Control systems are everywhere in contemporary society, influencing diverse applications from aerospace to automated manufacturing. These systems can be found naturally within biological processes, such as blood sugar regulation and heart rate adjustment in response to stress, as well as in man-made systems like elevators and automated vehicles. A control system is essentially a network of subsystems and processes that collaboratively convert specific inputs into desired outputs.
At the heart...
2.0K
Constraints and Statical Determinacy01:26

Constraints and Statical Determinacy

1.1K
In structural engineering, the equilibrium of a system is not only determined by its equations of equilibrium but also with the help of constraints. Constraints refer to restrictions on the motion of a system. The proper combinations of constraints can minimize the total number of constraints needed to maintain a system in mechanical equilibrium. When this happens, the system is said to be statically determinate. For such systems, the unknown reaction supports can be estimated using equilibrium...
1.1K
Controller Configurations01:22

Controller Configurations

427
Controller configurations are crucial in a car's cruise control system because they manage speed over time to maintain a consistent pace regardless of road conditions, thereby meeting design goals. In traditional control systems, fixed-configuration design involves predetermined controller placement. System performance modifications are known as compensation.
Control-system compensation involves various configurations, most commonly series or cascade compensation, in which the controller...
427
Stability of Equilibrium Configuration: Problem Solving01:13

Stability of Equilibrium Configuration: Problem Solving

1.2K
The stability of equilibrium configurations is an important concept in physics, engineering, and other related fields. In simple terms, it refers to the tendency of an object or system to return to its equilibrium position after being disturbed. The stability of an equilibrium configuration can be analyzed by considering the potential energy function of the system and examining its behavior near the equilibrium point.
Problem-solving in the context of the stability of equilibrium configuration...
1.2K
Multi-input and Multi-variable systems01:22

Multi-input and Multi-variable systems

461
Cruise control systems in cars are designed as multi-input systems to maintain a driver's desired speed while compensating for external disturbances such as changes in terrain. The block diagram for a cruise control system typically includes two main inputs: the desired speed set by the driver and any external disturbances, such as the incline of the road. By adjusting the engine throttle, the system maintains the vehicle's speed as close to the desired value as possible.
In the absence of...
461
Three-Dimensional Force System:Problem Solving01:30

Three-Dimensional Force System:Problem Solving

1.5K
A three-dimensional force system refers to a scenario in which three forces act simultaneously in three different directions. This type of problem is commonly encountered in physics and engineering, where it is necessary to calculate the resultant force on the system, which can then be used to predict or analyze the behavior of the object or structure under consideration.
To solve a three-dimensional force system, first resolve each force into its respective scalar components. Do this using...
1.5K

You might also read

Related Articles

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

Sort by
Same author

Effects of Task Constraints and Experience Level on Adaptations of Running in Young Basketball Players: Interlimb Coordination, Symmetry and Variability.

Perceptual and motor skills·2026
Same author

The Application of Deep Learning Human Pose Estimation in Sport: A Systematic Review.

Sports medicine - open·2025
Same author

The ecological dynamics of cognizant action in sport.

Psychology of sport and exercise·2025
Same author

Preservation of Temporal Organisation of Tennis Service Following Ageing in Recreational Players.

Perceptual and motor skills·2025
Same author

Towards an ecological dynamics theory of flow in sport.

Acta psychologica·2025
Same author

Wearable System Applications in Performance Analysis of RaceRunning Athletes with Disabilities.

Sensors (Basel, Switzerland)·2025
Same journal

Effects of tDCS and tACS on operant tactile training: investigating individual differences in neuromodulation efficacy.

Experimental brain research·2026
Same journal

Investigating the effects of different exercise protocols on depressive-like behaviors and brain-derived neurotrophic factor (BDNF) in rodents: a systematic review.

Experimental brain research·2026
Same journal

Inward platform translations during treadmill walking enhance lateral weight shift and paretic leg engagement in chronic stroke.

Experimental brain research·2026
Same journal

Effects of lumbar disc injury and nociception on trunk motor control during rat locomotion.

Experimental brain research·2026
Same journal

Changes in synergy formation and modulation during cyclic finger force production tasks in female adults with dystonic cerebral palsy.

Experimental brain research·2026
Same journal

Molecular links between reelin downregulation, topoisomerase IIβ alterations, and proteins involved in Alzheimer pathology in human SH-SY5Y neuroblastoma cell line.

Experimental brain research·2026
See all related articles

Related Experiment Video

Updated: Mar 26, 2026

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

6.4K

Variations in task constraints shape emergent performance outcomes and complexity levels in balancing.

Carla Caballero Sánchez1, David Barbado Murillo2, Keith Davids3

  • 1Centro de Investigación del Deporte, Universidad Miguel Hernández, Av. de la Universidad s/n, CP: 03202, Elche, Alicante, Spain. ccaballero@umh.es.

Experimental Brain Research
|February 4, 2016
PubMed
Summary
This summary is machine-generated.

Task constraints influence movement complexity and balance adaptation. Manipulating task difficulty and visual feedback altered center of pressure (COP) complexity, demonstrating how specific constraints impact neurobiological systems during balance performance.

Keywords:
BiofeedbackCenter of pressureMovement variabilityNonlinear analysesPostural controlTask constraints

More Related Videos

RBDT: A Computerized Task System based in Transposition for the Continuous Analysis of Relational Behavior Dynamics in Humans
11:09

RBDT: A Computerized Task System based in Transposition for the Continuous Analysis of Relational Behavior Dynamics in Humans

Published on: July 17, 2021

3.5K
The Impact of Motor Task Conditions on Goal-Directed Arm Reaching Kinematics and Trunk Compensation in Chronic Stroke Survivors
15:00

The Impact of Motor Task Conditions on Goal-Directed Arm Reaching Kinematics and Trunk Compensation in Chronic Stroke Survivors

Published on: May 2, 2021

4.1K

Related Experiment Videos

Last Updated: Mar 26, 2026

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

6.4K
RBDT: A Computerized Task System based in Transposition for the Continuous Analysis of Relational Behavior Dynamics in Humans
11:09

RBDT: A Computerized Task System based in Transposition for the Continuous Analysis of Relational Behavior Dynamics in Humans

Published on: July 17, 2021

3.5K
The Impact of Motor Task Conditions on Goal-Directed Arm Reaching Kinematics and Trunk Compensation in Chronic Stroke Survivors
15:00

The Impact of Motor Task Conditions on Goal-Directed Arm Reaching Kinematics and Trunk Compensation in Chronic Stroke Survivors

Published on: May 2, 2021

4.1K

Area of Science:

  • Neuroscience
  • Biomechanics
  • Human Movement Science

Background:

  • Movement systems exhibit emergent complexity influenced by performance constraints.
  • Understanding the relationship between movement variability, complexity, and neural adaptation is crucial for balance control.
  • Task difficulty and sensory feedback are key constraints affecting motor performance.

Purpose of the Study:

  • To investigate how performance constraints (task difficulty, visual biofeedback) affect emergent complexity in a balance movement system.
  • To determine if these constraints alter the relationship between movement variability and the central nervous system's adaptive capacity during balancing.
  • To examine the impact of specific constraints on the complexity of center of pressure (COP) dynamics.

Main Methods:

  • Fifty-two healthy volunteers performed balance tasks under manipulated conditions of task difficulty and visual biofeedback (with/without COP displacement and target display).
  • Balance performance was quantified using COP-based measures: mean velocity magnitude (MVM) and bivariate variable error (BVE).
  • Movement complexity was assessed using fuzzy entropy (FE) and detrended fluctuation analysis (DFA) of COP data.

Main Results:

  • Increased task difficulty led to higher MVM and BVE. Visual biofeedback modulated MVM and BVE, particularly at easier difficulty levels.
  • Higher FE and lower DFA values were observed with biofeedback, indicating increased complexity. Conversely, increased difficulty reduced FE and increased DFA with biofeedback.
  • Balance performance consistently correlated positively with movement complexity across all tested conditions, irrespective of constraint manipulation.

Conclusions:

  • The specificity of task constraints significantly influences the emergent complexity within neurobiological systems during balance tasks.
  • Movement complexity is a robust indicator of balance performance, remaining positively related even when constraints are altered.
  • Findings highlight the dynamic interplay between task constraints, movement complexity, and the central nervous system's adaptability in maintaining balance.