Posturly

01

The problem

Poor posture is a health problem, not a cosmetic one. It drives chronic back and neck pain, compresses abdominal organs, reduces oxygen intake by up to 30%, and feeds migraines. The tools on the market mostly fail the same way: they are one-size-fits-all, they rely on external support, and because they never engage the muscles, the fix ends when the device comes off.

• —Roughly 3 in 4 people have poor posture, driven by desk work and screen time
• —70.5% of surveyed workers report musculoskeletal discomfort; neck 86.4%, lower back 75.9%, shoulders 76.2%
• —Chronic back pain costs the US an estimated $60 billion a year in care and lost productivity
• —Poor posture and musculoskeletal disorders contribute to over 83 million work-loss days annually

02

Our survey

Before designing anything we asked 122 people where it hurt and how long they sat. 105 answered the first question: 60% named the lower back, then the neck (31%), upper back (30%) and shoulders (23%). On sitting, 36% sat six to eight hours a day and 26% more than eight. That set two requirements: target the lower back first, and be comfortable enough to wear for a full workday.

03

Active correction, not passive support

When the sensors detect excessive forward flexion or lateral tilt, tensioned support bands make micro-adjustments through stepper motors, physically guiding the spine back into alignment. Each correction is a rep for the postural muscles, so over time the body learns to hold the position without the device. That feedback loop is the whole idea.

• —Gyroscopic sensors and three-axis accelerometers monitor angular deviation and spinal alignment
• —Stepper-driven bands apply precise, repeatable correction rather than a buzz
• —Manual or automatic modes let the wearer set intensity and frequency
• —Lightweight, discreet under clothing, designed for all-day wear

04

The hardware

The harness is two shoulder straps and a cross-back band in a spandex/polyester blend, with a stepper motor at each shoulder tensioning the band, a sensor module on the spine and the controller and battery at the base. Everything had to disappear under a shirt and run for a week on one charge.

05

The app

Data goes over low-energy Bluetooth to the Posturly app, where a model analyses it against the wearer's body type, activity level and posture history. The app shows adjustments as graphs and overlays, tracks trends over time, and prescribes exercises and stretches for the specific imbalances it sees. A free tier covers everything tied to the device; a premium subscription adds deeper analytics and the full exercise library.

06

The business

Two markets: individuals aged 18 to 50 who sit for a living, and corporate wellness programs looking to cut work-loss days. Revenue is planned as 60% product sales, 20% subscriptions, 15% partnerships and 5% other, with a first-year target of $1.5 million. The pitch asked for $250,000 for 10% equity at a $2.5 million valuation. Competitors like Upright and Lumo Lift only alert; none actively correct or coach.

07

What I learned

We built a working prototype, tested it, iterated the hardware and the app, and placed second at the Maryland DECA state conference in the Entrepreneurship Innovation Plan category. We exited in December 2025. The lesson that stuck: hardware-market fit is unforgiving. Every gram, every dollar of unit cost and every minute of discomfort shows up in whether people keep wearing the thing.

Hardware and software