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Journal article
An investigation of the reproducibility of a self-selected natural feet position when standing: Implications for the assessment of upright standing posture
Musculoskeletal science & practice, Vol.69, 102896
2024
PMID: 38101271
Abstract
Background
Photogrammetry is often used to evaluate standing static postural alignment. Patients are often instructed to self-select a natural feet position but it's unclear whether this position can be consistently replicated across repeated assessments.
Objective
To determine whether people can replicate a self-selected natural feet position in upright standing across three sessions on different days.
Design
Between days test-retest reliability.
Setting
University laboratory.
Methods
Three variables – Base of Support (BoS), Foot Width (FW), Feet Opening Angle (FOA) – were measured from foot tracings of 150 participants (18–30 years) using established procedures. BoS data were assessed for systematic bias (Analysis of Variance), and absolute (Coefficient of Variation - CV%) and relative (Intraclass Correlation Coefficient - ICC) reliability.
Results
There was systematic bias in the BoS data across the three testing sessions. The CV% for the BoS data was 15.2%. The ICC (95% CI) for the BoS data was 0.84 (0.79–0.87). There were moderate-large correlations between the BoS and both FOA and FW respectively within each session.
Conclusion
If clinicians want to allow patients to use their self-selected natural feet position for repeated photogrammetric assessment of their static postural alignment it would be better to standardise the position of the feet, for example, by creating a tracing of a patient's self-selected natural feet position.
Details
- Title
- An investigation of the reproducibility of a self-selected natural feet position when standing: Implications for the assessment of upright standing posture
- Authors/Creators
- Lee Daffin - Murdoch University, School of Allied HealthStanley Innes - University of LancashireMax C Stuelcken - University of the Sunshine Coast
- Publication Details
- Musculoskeletal science & practice, Vol.69, 102896
- Publisher
- Elsevier Ltd.
- Identifiers
- 991005625167407891
- Copyright
- © 2023 The Authors.
- Murdoch Affiliation
- School of Allied Health
- Language
- English
- Resource Type
- Journal article
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