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Physical therapy interventions targeting hip strength, range of motion, balance, and waist circumference can significantly improve prosthetic mobility in individuals with lower limb amputation. These factors are key to enhancing functional outcomes and independence.

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Area of Science:

  • Rehabilitation science
  • Prosthetics and orthotics
  • Biomechanics

Background:

  • Limited evidence exists on factors influencing prosthetic mobility in individuals with lower limb amputation (LLA).
  • Understanding these variables is crucial for developing effective rehabilitation interventions.
  • This study aims to identify key factors impacting prosthetic mobility in LLA.

Purpose of the Study:

  • To determine the influence of modifiable and non-modifiable variables on prosthetic mobility in LLA, guided by the ICF model.
  • To assess if personal factors, self-reported balance, and mobility predict Component Timed-Up-and-Go (cTUG) performance.

Main Methods:

  • Cross-sectional study of 68 participants with non-vascular unilateral LLA.
  • Assessed anthropometrics, mobility, hip extensor strength, hip range of motion, single limb balance, and self-report measures.
  • Utilized Lasso linear regression and extreme gradient boosting for analysis.

Main Results:

  • Hip extensor strength, hip range of motion, single limb balance, waist circumference, and age influenced prosthetic mobility in transtibial amputees.
  • Comorbidities and waist circumference were key factors for transfemoral amputees.
  • Amputation level, comorbidities, age, and balance confidence explained 66% of cTUG variance.

Conclusions:

  • Modifiable factors like hip strength, range of motion, balance, and waist circumference significantly impact prosthetic mobility.
  • Targeted rehabilitation and lifestyle changes can improve these modifiable variables.
  • Findings inform comprehensive care strategies for individuals with LLA.