FlexInFit — Wireless Sensorized Insole System In-Shoe Plantar Pressure Analysis

The Sensor Medica FlexInFit is a professional wearable sensorized insole system that places 214 precision pressure sensors inside each insole — and therefore inside the patient's own shoe — delivering the most clinically accurate representation of how the foot actually behaves during real-world activity.

FlexInFit is a completely wireless, junction-box-free, Bluetooth-enabled system that pairs with the freeStep biomechanical analysis software to deliver comprehensive in-shoe plantar pressure mapping, kinetic parameter analysis, gait rocker assessment, Centre of Pressure progression, Gait Line and Butterfly diagram analysis, force vector evaluation, and synchronised video biomechanics — across walking, running, sports activity, and any daily life movement the patient performs.

1. 214 Sensors Per Insole — 428+ Total, High-Resolution Pressure Mapping : With 214 sensors per insole — 428 or more sensors across the full pair — the FlexInFit provides a spatial resolution of pressure measurement that captures the fine-grained detail of plantar load distribution that matters clinically.
2. Bluetooth Wireless — 100 Metres Range, 4-Hour Continuous Data Logging : The FlexInFit's 100-metre wireless range in free field enables assessment in environments that baropodometric platforms and tethered insole systems cannot reach
3. 4-Hour Continuous Data Logging — MicroSD card storage within the insole enables up to four hours of uninterrupted pressure data capture without connection to a computer or external storage.
4. Lightweight, Thin, Cut-Out Design — The FlexInFit insole is designed to be cut to the patient's shoe size from a standard insole format and inserted into any shoe — the patient's own training shoes, work shoes, or clinical footwear. The thin profile and lightweight construction ensure that the insole itself does not alter the shoe's fit or the foot's pressure distribution.

Centre of Pressure & Gait Line — Progression and Butterfly Diagram

1. Centre of Pressure (CoP) Progression — The CoP path from initial contact through toe-off is rendered as a dynamic trace on the pressure map — showing the specific trajectory of load transfer across the plantar surface during each stance phase.
2. Regional Load Percentage — The plantar surface is automatically divided into anatomical regions, and the percentage of total load borne by each region is calculated and displayed.
3. Gait Line Analysis — The consecutive CoP traces from multiple steps are overlaid to create the Gait Line — the combined trajectory of load transfer that characterises the patient's habitual gait pattern.
4. Butterfly Diagram — The variability of CoP traces across multiple steps is displayed as a butterfly-shaped distribution diagram. Greater variability in the butterfly diagram indicates less consistent neuromuscular control of CoP progression — a measure of dynamic balance quality and neuromuscular stability.