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Related Experiment Video

Updated: Apr 27, 2026

Sit-to-stand-and-walk from 120% Knee Height: A Novel Approach to Assess Dynamic Postural Control Independent of Lead-limb
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Is walking aid height critical?

J Crosbie, E Armstrong, J Kempson

    The Australian Journal of Physiotherapy
    |July 16, 2014
    PubMed
    Summary
    This summary is machine-generated.

    Elbow crutch height adjustment is generally not critical for gait, except when set 4cm higher. User comfort is a reliable indicator for proper elbow crutch fit and optimal gait.

    Keywords:
    BiomechanicsCrutchesGait

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    Area of Science:

    • Biomechanics
    • Rehabilitation Engineering
    • Orthopedics

    Background:

    • Elbow crutches are common mobility aids.
    • Optimal crutch height is crucial for effective gait assistance and preventing secondary injuries.
    • Previous research has not extensively explored the impact of minor height variations.

    Purpose of the Study:

    • To investigate the effect of varying elbow crutch heights on gait parameters in healthy subjects.
    • To determine if specific height adjustments significantly alter temporospatial and kinetic data.
    • To identify critical height settings that may impact joint loading or user biomechanics.

    Main Methods:

    • 20 healthy participants performed a non-weight-bearing aided gait using elbow crutches.
    • Crutch height was systematically adjusted to conventional, +/- 2cm, and +/- 4cm settings.
    • Temporospatial data (e.g., step length, cadence) and kinetic data (e.g., joint moments) were collected.

    Main Results:

    • Most temporospatial and kinetic parameters showed no significant differences across tested elbow crutch height settings.
    • A significant increase in the shoulder abduction moment was observed only at the setting 4cm above the conventional height.
    • No other significant adverse biomechanical effects were noted at other height variations.

    Conclusions:

    • Elbow crutch height adjustment is not a critical factor for this gait type, within a range of +/- 2cm from conventional settings.
    • A height setting 4cm above conventional may increase shoulder joint stress.
    • Subjective user comfort is a valuable indicator for determining the correct elbow crutch fit.