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Muscle Stimulation Frequency01:22

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Wave summation
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Related Experiment Video

Updated: Dec 29, 2025

Lower-Limb Biomechanical Characteristics Associated with Unplanned Gait Termination Under Different Walking Speeds
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Lower-Limb Biomechanical Characteristics Associated with Unplanned Gait Termination Under Different Walking Speeds

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Do different muscle strength levels affect stability during unplanned gait termination?

Xuanzhen Cen1, Xinyan Jiang1, Yaodong Gu1,2

  • 1Faculty of Sports Science, Ningbo University, Ningbo, China.

Acta of Bioengineering and Biomechanics
|February 6, 2020
PubMed
Summary

Higher muscle power enhances body stability during unplanned gait termination (UGT), a crucial response in sports and daily life. This study reveals a strong correlation between muscle strength and maintaining balance when suddenly stopping.

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Area of Science:

  • Biomechanics
  • Human Movement Science
  • Sports Medicine

Background:

  • Unplanned gait termination (UGT) is a common stress response to unexpected stimuli in sports and daily life.
  • Maintaining body stability during complete stops is challenging and can be compromised.

Purpose of the Study:

  • To investigate the relationship between lower limb muscle strength and body stability during UGT.
  • To compare plantar pressure distribution between planned and unplanned gait terminations.

Main Methods:

  • Twenty healthy participants performed planned gait termination (PGT) and UGT on an 8-m walkway.
  • Plantar pressure data (maximum pressure, force, contact area, center of pressure) were collected using a Footscan pressure platform.

Main Results:

  • Significant differences in plantar pressure distribution were observed between UGT and PGT.
  • UGT led to increased maximum pressure and force in the lateral metatarsal region.
  • A correlation was suggested between muscle strength/power and stability during UGT, with higher muscle power indicating greater stability.

Conclusions:

  • Muscle strength levels significantly influence body stability during UGT.
  • Enhanced muscle power may be a key factor in maintaining balance during sudden gait cessations.