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Related Experiment Video

Updated: Sep 18, 2025

Clinical Assessment of Spatiotemporal Gait Parameters in Patients and Older Adults
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Clinical Assessment of Spatiotemporal Gait Parameters in Patients and Older Adults

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Associations of Lower Limb Muscle-Tendon Properties with Dual-Task Gait Variability: A Cross-Age Study.

Zheng Dong1, YoungJin Moon1, Sang Ki Lee1

  • 1Department of Sport Science, Chungnam National University, Daejeon 34134, Republic of Korea.

Healthcare (Basel, Switzerland)
|June 26, 2025
PubMed
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Older adults exhibit altered lower limb muscle-tendon properties, impacting dual-task gait stability. These changes, particularly patellar and Achilles tendon stiffness, may predict fall risk and gait instability.

Area of Science:

  • Biomechanics
  • Gerontology
  • Musculoskeletal Physiology

Background:

  • Gait variability increases in older adults, elevating fall risk.
  • Muscle-tendon mechanical properties are crucial for maintaining gait stability.
  • Non-invasive assessment of these properties can aid in early detection of gait impairment.

Purpose of the Study:

  • To investigate the association between lower limb muscle-tendon mechanical properties and dual-task gait variability in older adults.
  • To explore the utility of the MyotonPRO device for assessing these properties.
  • To identify potential biomechanical markers for gait instability and fall risk.

Main Methods:

  • Cross-sectional study with 48 participants (older and younger adults).
  • Assessed lower limb muscle and tendon stiffness and elasticity using the MyotonPRO.
Keywords:
MyotonPROagingdual taskgait variabilitymuscle–tendon stiffness

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Related Experiment Videos

Last Updated: Sep 18, 2025

Clinical Assessment of Spatiotemporal Gait Parameters in Patients and Older Adults
08:56

Clinical Assessment of Spatiotemporal Gait Parameters in Patients and Older Adults

Published on: November 7, 2014

14.0K
Motor Dual-Tasks for Gait Analysis and Evaluation in Post-Stroke Patients
05:23

Motor Dual-Tasks for Gait Analysis and Evaluation in Post-Stroke Patients

Published on: March 11, 2021

2.5K
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Lower-Limb Biomechanical Characteristics Associated with Unplanned Gait Termination Under Different Walking Speeds

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  • Measured gait variability (step length, stride length, gait cycle time) with the OptoGait system during dual-task conditions.

    • Main Results:

    • Older adults demonstrated increased patellar tendon stiffness and decreased Achilles tendon stiffness compared to younger adults.
    • Rectus femoris and biceps femoris muscles showed higher stiffness and reduced elasticity in older adults.
    • Patellar tendon stiffness positively correlated with gait variability, while Achilles tendon stiffness showed a negative correlation.

    Conclusions:

    • Muscle-tendon mechanical properties are linked to dual-task gait stability in older adults.
    • Altered patellar and Achilles tendon stiffness may be key factors in gait control and fall risk.
    • Non-invasive MyotonPRO measurements show potential for early detection of gait instability in the elderly.