Related Experiment Video
Updated: Feb 5, 2026
07:52
Evaluating Postural Control and Lower-extremity Muscle Activation in Individuals with Chronic Ankle Instability
Published on: September 18, 2020
9.1K
Effect of different balance training programs on postural control in chronic ankle instability: a randomized
Noha Mahmoud Youssef1, Azza Mohammed Abdelmohsen1, Ahmed Atteya Ashour2
1Biomechanics Department, Faculty of Physical Therapy, Cairo University, Giza, Egypt.
Acta of Bioengineering and Biomechanics
|September 18, 2018
Summary
Weight-bearing Exercise for Better Balance (WEBB) and unilateral balance training improve postural control in females with chronic ankle instability (CAI). Both programs enhanced overall and antero-posterior stability, but not medio-lateral stability in one group.
Area of Science:
- Sports Medicine
- Rehabilitation Science
- Biomechanics
Background:
- Chronic ankle instability (CAI) frequently follows an ankle sprain.
- Conservative management is the primary approach for CAI to prevent recurrence.
Purpose of the Study:
- To assess the impact of the Weight-bearing Exercise for Better Balance (WEBB) program on postural control in females with CAI.
- To evaluate the effectiveness of unilateral balance training on postural control in females with CAI.
Main Methods:
- Thirty-five females with CAI were randomly assigned to the WEBB program, unilateral balance training, or a control group.
- Postural control was measured using the Biodex Balance System (BBS) before and after a four-week intervention.
- Key metrics included Overall Stability Index (OASI), Antero-Posterior Stability Index (APSI), and Medio-Lateral Stability Index (MLSI).
Main Results:
- Both experimental groups (WEBB and unilateral training) showed significant improvements in OASI and APSI post-intervention.
- No significant changes in MLSI were observed in the WEBB program group after the intervention period.
Conclusions:
- The WEBB program and unilateral balance training demonstrate positive effects on postural control for females experiencing CAI.
- These findings support the integration of targeted balance exercises in the conservative management of CAI.
Related Concept Videos
01:21Control System Problem
437
In an open-loop system, such as a basic thermostat, the poles of the transfer function influence the system's response but do not determine its stability. However, when feedback is introduced to form a closed-loop system, such as an advanced thermostat that adjusts heating based on room temperature, stability is governed by the new poles of the closed-loop transfer function.
When forming a closed-loop system, issues can arise if the poles cross into the unstable region, leading to potential...
When forming a closed-loop system, issues can arise if the poles cross into the unstable region, leading to potential...
437
02:33Combinatorial Gene Control
9.7K
Combinatorial gene control is the synergistic action of several transcriptional factors to regulate the expression of a single gene. The absence of one or more of these factors may lead to a significant difference in the level of gene expression or repression.
The expression of more than 30,000 genes is controlled by approximately 2000-3000 transcription factors. This is possible because a single transcription factor can recognize more than one regulatory sequence. The specificity in gene...
The expression of more than 30,000 genes is controlled by approximately 2000-3000 transcription factors. This is possible because a single transcription factor can recognize more than one regulatory sequence. The specificity in gene...
9.7K
01:23Types of Biopharmaceutical Studies: Controlled and Non-Controlled Approaches
473
Biopharmaceutical studies constitute a vital field aiming to enhance drug delivery methods and refine therapeutic approaches, drawing upon diverse interdisciplinary knowledge. In research methodologies, the choice between controlled and non-controlled studies significantly influences the study's reliability and accuracy.
Non-controlled studies, commonly employed for initial exploration, lack a control group, rendering them susceptible to biases and external influences. In contrast,...
Non-controlled studies, commonly employed for initial exploration, lack a control group, rendering them susceptible to biases and external influences. In contrast,...
473
01:10Control Systems
1.9K
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...
At the heart...
1.9K
01:22Controller Configurations
380
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...
Control-system compensation involves various configurations, most commonly series or cascade compensation, in which the controller...
380
01:19PID Controller
719
Proportional-Integral-Derivative (PID) controllers are widely used in various control systems to enhance stability and performance. In a thermostat, it adjusts heating or cooling based on the temperature difference between the actual and desired levels. They are often used in automotive speed systems, effectively managing sudden speed changes while maintaining a constant speed under varying conditions. On the other hand, PI controllers, commonly employed in voltage regulation, enhance stability...
719