The sensor

A lumbar motion sensor built for the clinic.

A lightweight IMU that clips at the low back and streams trunk motion to the app. No wiring, no calibration room — set up in seconds and assess in the room you already work in.

ANVA lumbar sensor — top view

Placement & in-clinic flow

Clip at L5, pair with the app, run the assessment or exercise session. Mirror cues to a clinic screen so the patient can follow along.

Technical specs

  • 9-axis motion sensor (accelerometer, gyroscope & magnetometer)
  • Bluetooth 5.0 — wireless, range up to 90 m
  • Up to 20 hours per charge · recharges in ~2 hours over USB-C
  • Ultralight 9 g · 32.5 × 23.5 × 11.4 mm

Shipping

Ships within the United States in 3–4 days. In the box: the ANVA sensor, a USB-C charging cable, and a manual. The $129 price is a one-time purchase.

Put a number on balance.

Start free, in your own clinic. No lab, no long onboarding — clip the sensor and run a session.