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Related Experiment Video

Updated: Jan 17, 2026

Oscillation and Reaction Board Techniques for Estimating Inertial Properties of a Below-knee Prosthesis
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Predicting walking capacity, walking performance, and life space mobility using socket comfort in lower-limb

Gordon Tao1,2,3, Jayden Singh1,2,4, Malena Rapaport5

  • 1Rehabilitation Research Program, Centre for Aging SMART at Vancouver Coastal Health, Vancouver, BC, Canada.

Clinical Rehabilitation
|September 15, 2025
PubMed
Summary

Socket comfort significantly predicts walking capacity and life-space mobility in lower-limb prosthesis users. However, it did not predict overall walking performance, suggesting broader rehabilitation strategies are key.

Keywords:
Socket comfortlife space mobilitywalking capacitywalking performance

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Area of Science:

  • Rehabilitation Medicine
  • Prosthetics and Orthotics
  • Geriatric Medicine

Background:

  • Socket comfort is crucial for lower-limb prosthesis users, yet its impact on mobility outcomes requires further investigation.
  • Understanding factors influencing mobility is essential for enhancing the quality of life for older adults with amputations.

Purpose of the Study:

  • To investigate the predictive relationship between socket comfort and key mobility measures in older prosthesis users.
  • To determine if socket comfort influences walking capacity, walking performance, and life-space mobility.

Main Methods:

  • Secondary cross-sectional analysis of data from an exercise intervention trial.
  • Multiple regression modeling was used to analyze the association between Socket Comfort Score and mobility outcomes.
  • Participants included 72 community-dwelling lower-limb prosthesis users over 50 years old.

Main Results:

  • Socket Comfort Score significantly predicted the 2-Minute Walk Test (walking capacity) and Life Space Assessment (life-space mobility).
  • Socket comfort did not significantly predict step count (walking performance).
  • The models explained 61% of the variance in walking capacity and 12% in life-space mobility.

Conclusions:

  • Socket comfort is a significant predictor of walking capacity and life-space mobility in older prosthesis users.
  • Improving overall lower extremity function may be more impactful for enhancing walking performance than socket comfort alone.
  • Clinicians should consider socket comfort in prosthetic rehabilitation, but further research is needed on its community-based walking impact.