Related Experiment Videos
[Gait analysis by floor reaction force in double support period]
1Department of Orthopedic Surgery, Akita University School of Medicine, Japan.
Nihon Seikeigeka Gakkai Zasshi
|July 1, 1987
Summary
Digitalizing floor reaction curves identified eight gait characteristic points. Pathological gaits show variations in these points, unlike normal gaits, with Z1 being particularly useful for analysis.
Area of Science:
- Biomechanics
- Gait Analysis
- Human Movement Science
Context:
- Understanding the double support period is crucial for gait analysis.
- Floor reaction curves provide detailed insights into gait dynamics.
- Variations in gait can indicate underlying musculoskeletal or neurological conditions.
Purpose:
- To identify and analyze characteristic points within the double support period of gait.
- To differentiate between normal and pathological gait patterns using these characteristic points.
- To assess the utility of specific characteristic points, like Z1, in pathological gait studies.
Summary:
- Eight characteristic points were identified from digitized vertical and fore-aft floor reaction curves during the double support period.
- Analysis of these points across variable step lengths and cadences revealed consistent patterns in normal gait.
- Pathological gaits, including those from hip, knee, or ankle disorders, exhibited reversed or varied sequences of these characteristic points.
Impact:
- This research provides a quantitative method for distinguishing normal from pathological gaits.
- Characteristic point Z1, representing the maximum vertical force differential in the forelimb, shows significant diagnostic potential for gait abnormalities.
- Findings can inform the development of improved diagnostic tools and rehabilitation strategies for patients with gait disorders.