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Related Experiment Video

Updated: Jul 5, 2025

Quantitative Static and Dynamic Assessment of Balance Control in Stroke Patients
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Examining the joint coordination during dynamic balance learning using vector coding and statistical parametric

Sungmin Kim1, Feng Qu2, Yi Wang3,4

  • 1Institute of School Physical Education, Korea National University of Education, Cheongju, Chungbuk, Republic of Korea.

Scientific Reports
|January 19, 2024
PubMed
Summary
This summary is machine-generated.

Learning the Y-balance task improved novice participants' dynamic balance. Kinematic and coordination patterns of the lower extremities changed significantly, enhancing reach distance and stability.

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Area of Science:

  • Biomechanics
  • Motor Learning
  • Sports Science

Background:

  • Dynamic balance is crucial for daily activities and injury prevention.
  • The Y-balance test assesses functional balance and is widely used.
  • Understanding motor adaptations during balance training is essential for optimizing rehabilitation and performance.

Purpose of the Study:

  • To investigate changes in balance performance, kinematics, and lower extremity joint coordination during Y-balance learning.
  • To determine the efficacy of Y-balance performance through maximum reach distance and joint angle analysis.
  • To explore kinematic and coordination pattern modifications contributing to improved dynamic balance.

Main Methods:

  • Twenty female university students participated in a Y-balance learning task over five consecutive blocks.
  • Measurements included maximum reach distance, peak joint angles (hip, knee, ankle), and joint coordination.
  • Statistical parametric mapping was used to analyze kinematic and coordination differences across directions (anterior, posterolateral, posteromedial).

Main Results:

  • Maximum reach distance significantly increased in posterolateral and posteromedial directions post-learning.
  • Learning led to significant changes in hip (flexion, abduction, rotation) and knee (flexion) joint angles.
  • Joint coordination analysis revealed simultaneous hip and knee movement and specific ankle-knee strategies.

Conclusions:

  • Novice participants demonstrated improved dynamic balance ability following Y-balance task learning.
  • Adaptations in lower extremity kinematic and coordination patterns underpin the observed improvements in balance performance.
  • Findings offer insights for designing training programs to enhance dynamic balance and reduce fall risk in various populations.