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FORM

A wearable that shows how your muscles respond to every exercise. A stretch-sensor band on the upper arm streams to your phone over Bluetooth, and we detect reps and how hard each one worked. Building it with Suna. formstrength.club

FORM band in blushFORM band in onyxFORM band worn on the upper arm

The first prototype was a XIAO nRF52840 taped to a breadboard and sewn onto a strap. Most of the early work has been wearing it at the gym and collecting labelled sets.

V1 prototype: XIAO nRF52840 on a breadboard, sewn to a stretch strapBent-over row wearing the prototype bandBicep curl during a data-collection sessionPrototype band on the upper arm before a set