Open-Source Strain Gauge System for Monitoring Pressure Distribution of Runner's Feet

Area of Science:

• Biomechanics
• Sports Science
• Wearable Technology

Background:

• Accurate measurement of foot pressure distribution is crucial for understanding running mechanics and preventing injuries.
• Existing pressure measurement systems often require calibration, are costly, or integrate electronics within the shoe, posing comfort and durability issues.

Purpose of the Study:

• To develop a novel, open-source strain gauge system for measuring and presenting foot-ground pressure in runners.
• To create an affordable, user-friendly system that overcomes limitations of current pressure measurement technologies.

Main Methods:

• Development of electronic shoe inserts featuring 16 embedded pressure sensors within a transparent film.
• Integration of a wearable device and a mobile application for data acquisition and user presentation.
• Implementation of a design that places electronics externally to the shoe.

Main Results:

• The developed system enables accurate and frequent measurement of foot pressure distribution without the need for calibration.
• The external placement of electronics enhances comfort and durability.
• The open-source nature facilitates community-driven enhancements and collaboration.

Conclusions:

• The novel open-source strain gauge system offers a cost-effective and accurate solution for analyzing runner's foot pressure.
• This system has the potential to advance sports science research and improve athletic performance and injury prevention through accessible technology.