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Related Experiment Video

Updated: Jun 5, 2026

Evaluating the Function of the Foot Core System in the Elderly
08:25

Evaluating the Function of the Foot Core System in the Elderly

Published on: March 11, 2022

Do foot orthoses replicate the static longitudinal arch angle during midstance in walking?

Heidi Burn1, Helen Branthwaite, Nachiappan Chockalingam

  • 1Faculty of Health, Staffordshire University, Leek Road, Stoke on Trent ST4 2DF, UK.

Foot (Edinburgh, Scotland)
|January 22, 2011
PubMed
Summary

Static longitudinal arch angle (LAA) reliably represents dynamic foot function, even with orthoses. This validated measure can be used in clinical settings to assess foot orthotic efficacy.

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Area of Science:

  • Biomechanics
  • Podiatry
  • Orthopedics

Background:

  • Static foot posture assessment is standard for evaluating foot function and treatment outcomes.
  • The longitudinal arch angle (LAA) is a validated, reliable static measure of foot posture during gait.
  • Existing methods often rely on static assessments, necessitating validation for dynamic function.

Purpose of the Study:

  • To determine if static longitudinal arch angle (LAA) accurately reflects dynamic LAA when using foot orthoses.
  • To validate the use of static LAA measurements in clinical practice for assessing orthotic effectiveness.
  • To compare static and dynamic LAA measurements under various conditions (barefoot, shoe, shoe with orthoses).

Main Methods:

  • 17 male subjects provided informed consent and underwent assessment.

Related Experiment Videos

Last Updated: Jun 5, 2026

Evaluating the Function of the Foot Core System in the Elderly
08:25

Evaluating the Function of the Foot Core System in the Elderly

Published on: March 11, 2022

  • Orthotic prescriptions were based on weight-bearing goniometer measurements.
  • An optoelectronic movement analysis system captured LAA in static and dynamic conditions (barefoot, shoe, shoe with orthoses).

    • Main Results:

    • No significant differences were found between static and dynamic LAA in barefoot conditions (p>0.05).
    • No significant differences were observed between static and dynamic LAA in the orthotic condition (p>0.05).
    • Significant differences in LAA were noted only in the shoe-only condition.

    Conclusions:

    • Static longitudinal arch angle (LAA) is a reliable indicator of dynamic foot function.
    • LAA can be effectively utilized in clinical settings to evaluate the efficacy of prescribed foot orthoses.
    • Static LAA assessment provides a dependable method for monitoring treatment outcomes in podiatry and orthopedics.