Time a walk over a known distance at your usual, comfortable pace. You get your speed in m/s, your band on the published scale, and an estimated gait age. No account, nothing to buy, nothing stored. Or walk in front of your camera and see cadence and symmetry live; the video stays in your browser.
Live today: the walk interpreter and the camera page. Sensor insoles are planned. A clinician-review path is in design, and billing stays with the practice.
Have an iPhone? Read the walking history your phone already keeps, on the device. Nothing uploads. healthgait.com/check →1.0–1.2 m/s — the typical, lower-risk range, but still short of the 1.2 m/s needed to clear a standard US street crossing in time.
Every wearable competes on more — more sensors, more scores, more charts you scroll past and never act on. Gait goes the other way. It’s a single vital sign, and it’s the rare one a clinician is paid to act on — so the number doesn’t sit in a dashboard, it triggers a review, a plan, an intervention. Before the fall, not after. That’s the whole system, told across three doors:
MotionSole is a measurement method — not a single device. Start with what you already have — Apple Health history or a live camera; no account, nothing to buy. Clinical sensor insoles are planned for continuous, high-risk monitoring. Sensors commoditize every year — the cited method, and a licensed clinician's signature (in design), do not.
The iPhone has been measuring gait for years — speed, steadiness, asymmetry. The engine reads the Health export entirely on-device: gait number, 6-month trend, early flag. No hardware, nothing uploads.
Run the Gait Check →In design, not live: AirPods, iPhone, and Apple Watch are three motion sensors at three points on your body. The design fuses head, pelvis, and wrist from a guided walk into one gait signal.
See the capture architecture →Any phone or laptop camera. Pose tracking in the browser reads cadence, left/right symmetry and rhythm as you walk or march in place. The video never leaves the browser.
See your gait, live →Planned, not available yet: partner-grade insoles designed to add pressure, temperature and motion (design target 2,400 readings/sec) for diabetic foot, neuropathy and offloading, where a camera can’t reach.
See the clinical tier →For insole and wearable makers: your cleared hardware, read with MotionSole’s published method. The program is planned; join the waitlist.
Partner with us →Every tier is the same engine — and it rides on Apple's horizontal platform (sensors, on-device model, privacy — already in the phone, better every release), not against it. We build the vertical: the cited method, and a clinician-review path (in design). Why that division is the strategy →
Heart rate. Blood pressure. Temperature. Respiratory rate. Now gait. The way you walk contains clinical signals that standard assessments miss entirely. And the signals they don’t miss, they measure inconsistently: in a survey of 514 U.S. physical therapists, 97% used standardized outcome measures — but only 48% agreed those measures are administered in a standardized way across the profession, the lowest-rated item on the survey. A camera-derived gait measure computed the same way every time is the fix they name but a hand-timed walk test can’t deliver.
In 34,485 adults 65+, gait speed was associated with survival (Studenski, JAMA 2011): each 0.1 m/s faster tracked with about 12% lower mortality — and it takes 10 seconds to measure.
In joint-replacement recovery, restoring symmetric gait early tracks with better function; asymmetry that persists is a signal worth catching before it settles in.
Gait variability often rises before cognitive symptoms appear in early Parkinson’s and dementia — a signal the phone already carries.
Low cadence + extended ground contact time + increased step width create a fall-risk signature. MotionSole is built to detect it. Automatic caregiver alerts are a design, not built yet.
Gait asymmetry drives uneven implant loading; the 90-day global period is the window to catch compensatory patterns before they harden into long-term wear.
Joints depend on movement for lubrication, nutrition, and pain regulation; too little and too much both harm. The target is each person’s own adaptive loading window — found by measuring movement over time, not prescribing a fixed dose (Labusca et al., Med Sci 2026, a proposed framework). A continuous gait signal is how you find it.
Gait metrics with an AI-drafted interpretation for a clinician to review. Sample data below — illustrative, not a real patient, and not a live product screen.
Reduced cadence and elevated ground contact time indicate guarded weight-bearing on the operative leg at 8 weeks post-TKA — consistent with incomplete proprioceptive recovery. Flag for PT if cadence does not improve to ≥103/min within 2 weeks.
Sensors are becoming commodities. Algorithms are becoming commodities. The signed clinical record is not.
The design, not live yet: MotionSole’s AI drafts the interpretation — cadence, symmetry, trajectory. A licensed clinician reviews it and signs or strikes it, and is accountable for what they sign. Until a clinician signs a specific record, it is a draft. One more principle: your patients’ gait record shouldn’t be locked to whoever made the implant, the shoe, or the watch. MotionSole reads any capture source and writes to a record the surgeon owns — so when she changes vendors, the continuum doesn’t reset to zero.
The AI assembles the gait evidence and proposes the clinical interpretation. Fast, consistent, tireless — and never the final word.
A licensed clinician reviews, edits, and signs or strikes. Accountability stays with a person whose license is on the record.
The signed record lives with the practice, not the device maker. Vendor-neutral capture in, surgeon-owned continuum out.
No technician. No lab. Start with the camera you already have. Sensor insoles for continuous monitoring are planned, not available yet.
Open the live page and walk or march in place in front of your camera. No fit protocol, no lab visit.
Today: pose tracking in the browser reads cadence and left/right symmetry live; the video stays on your device. Planned insole design targets (not a shipping product): Bluetooth pairing, 2,400 readings per second, 7-day battery.
In design: AI drafts the findings — gait score, fall-risk flag, recovery status — and a licensed clinician reviews them and signs or strikes. Not live yet.
MotionSole bills nothing and promises no payment; RTM billing is the practice's own decision under its payer rules, and a surgeon cannot bill RTM inside their own global surgical period. MotionSole does not submit claims.
| Code | Description | Note |
|---|---|---|
| 98975 | RTM device setup & patient education | Once per episode |
| 98977 | Musculoskeletal monitoring, per 30 days | 16+ data days |
| 98980 | Treatment management, first 20 min | Documented time |
| 98981 | Treatment management, each add’l 20 min | Documented time |
98975 bills once per episode, not monthly; RPM and RTM are mutually exclusive per patient/period; what's actually billable in a given month depends on which codes were met and the one-practitioner-per-30-days rule — there is no single blended per-patient total.
Start with the camera the patient already has — a guided walk captures the gait signal with no hardware to buy or wear. Sensor insoles are planned. Threshold flags that ask a clinician to look are a design, not built yet.
Billing, if any, is done by the practice under its own clinician’s NPI and payer rules.
Payment varies by payer, locality and year, and CMS changes the RTM rules over time. Read the CMS RTM brief →
KineticFirst waitlist →MotionSole is the data layer. Each connected site does a different job with the same gait signal.
The fall-risk screener and 20-second walk test, for families. No account.
fallrisks.com →Home support in Boulder, forming now. Gait data is not shared with co-op.care today.
co-op.care →Post-surgical 90-day recovery episode tracking. A surgeon cannot bill RTM inside their own global period.
surgicaltrack.com →The surgeon-side practice tool. Billing decisions stay with the practice.
surgeonvalue.com →Same approach, different question. Each one is a real site, not a landing page.
The camera and Apple Health tiers are live now — no hardware to wait on. See your own gait number in real time, or get on the list as clinical sensor insoles and device partnerships roll out.
See your gait, liveNo spam. Platform updates only.