The working principle of the portable gait analyzer-plantar pressure distribution system can be divided into the following core modules:
1. Sensor array and data acquisition
Pressure sensor layout
The system captures the pressure changes in various areas of the sole in real time through a micro sensor array (thousands to tens of thousands) embedded in the insole or pressure plate. Sensor types include piezoresistive, capacitive or piezoelectric, with high sensitivity and fast response characteristics.
Static measurement: evaluate the arch shape, center of gravity distribution and pressure peak when standing.
Dynamic measurement: record dynamic changes in pressure while walking and generate continuous gait cycle data.
Data transmission
The data collected by the sensor is transmitted to a mobile terminal or computer via wired or wireless methods (such as Bluetooth, Wi-Fi) to achieve real-time monitoring.
2. Data processing and analysis
Data visualization
The analysis software converts the raw data into a plantar pressure heat map (Pressure Map), a pressure center trajectory (CoP) and a 3D development image to intuitively present the force distribution of the foot.
Gait parameter extraction
The system calculates key parameters such as step length, step frequency, step speed, arch type, etc. through algorithms, and identifies gait abnormalities (such as inversion and pronation, imbalance) .
Balance assessment
Combined with the center of gravity movement trajectory in open/closed eyes mode, analyze the body balance and vestibular function status .
3. Technology core and extended application
Sensor accuracy : High-density sensor array can capture subtle pressure differences (such as force in the scaphoid area) .
Algorithm model : Combine clinical data to establish a correlation model between pressure distribution and gait characteristics for personalized rehabilitation guidance or sports optimization .
Sensor acquisition → wireless transmission → software analysis → visual report generation
The system provides accurate data support for sports medicine, rehabilitation treatment and sports training by quantifying plantar pressure distribution .
