Spiral Analysis quantifies spiral drawing into objective measures of severity, smoothness, tremor, speed, and pressure. Whether you're a researcher, a medical professional, or just curious, this non-invasive tool makes it easy to gain insights into your motor performance.
HOW IT WORKS
From pen stroke to longitudinal record in three steps.
01
Draw a spiral
An Archimedean spiral on a tablet — no wires, no special hardware.
02
Click to analyze the trace
Every point (x, y, pressure, time) is transformed into severity, smoothness, speed, tremor, pressure, and consistency indices.
03
Track over time
Create an account to save each drawing as an objective baseline — this lets us store your history and surface subtle changes session over session.
GROUNDED IN RESEARCH
Based on a clinically validated methods.
Digitized spiral drawing is an established, non-invasive technique for characterizing upper-limb motor performance and detecting subtle change — studied across movement disorders for over two decades.