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Peak pressures in the forefoot.

M A Bransby-Zachary¹, I G Stother, R W Wilkinson

¹Department of Orthopaedic Surgery, Royal Infirmary, Glasgow, Scotland.

The Journal of Bone and Joint Surgery. British Volume

|July 1, 1990

Summary

This study identified new impact pressure peaks on the foot sole during walking using advanced sensors. Findings reveal how footwear and insoles alter these unique sub-pedal pressure patterns.

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Area of Science:

Biomechanics
Podiatry
Human locomotion analysis

Background:

Understanding foot sole pressure distribution is crucial for biomechanical analysis.
Previous studies have not identified distinct impact pressure peaks during walking.

Purpose of the Study:

To measure forefoot pressures at specific sites on the sole of the foot.
To identify previously unrecognized impact pressure peaks.
To investigate the effects of footwear and insoles on sub-pedal pressure.

Main Methods:

Utilized a high-frequency response, ultra-thin transducer for precise pressure measurement.
Focused on 10 healthy subjects to gather data on forefoot pressure distribution.
Recorded pressure data at predetermined locations on the plantar surface of the foot.

Main Results:

Successfully identified distinct impact pressure peaks separate from the typical roll-off peak.
Observed variations in sub-pedal pressure patterns related to different footwear and insole types.
Preliminary data suggests footwear significantly influences foot sole pressure dynamics.

Conclusions:

The study successfully identified novel impact pressure peaks in the forefoot during walking.
Footwear and insoles demonstrably alter sub-pedal pressure distribution, highlighting their role in gait mechanics.
These findings provide a foundation for further research into footwear design and therapeutic interventions.

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