# Beyond diabetes, and the record you own _Two things FL work has surfaced: (1) foot care is for far more people than diabetics — including athletes — and (2) the real product is not local storage, it's the **owned, portable, longitudinal record**. Companion to `Foot-Risk-Beyond-Diabetes.md`._ --- ## Part 1 — Athletes: the performance foot The at-risk foot has a second, huge, *motivated* population that has nothing to do with disease: **athletes**, for whom the foot is the instrument, and a small foot problem is a performance problem. - The foot accounts for **up to 20% of all sports injuries** (varies by sport; highest in gymnastics, cross-country, soccer, track). - **Plantar fasciitis** hits up to **17.4% of runners** and ~15% of all foot injuries. - **Subungual hematoma ("black toenail," "runner's toe")** — repetitive toe-box trauma in runners, soldiers, and cleated sports; painful enough to stop training. - **Blisters** — the most common, most under-tracked athletic foot injury; friction/moisture driven, and a gateway to infection if mismanaged. - **Stress fractures** (metatarsal, navicular), **turf toe**, **Achilles tendinopathy**, **Morton's neuroma**, **metatarsalgia** — repetitive-load injuries that end seasons. The athlete's *motive* is different — protect performance, not prevent amputation — but the **loop is identical**: photograph the foot regularly, detect change early, catch the hot-spot before it's a blister, the blister before it's an ulcer, the ache before it's a stress fracture. An athlete will do a daily foot check for the same reason they track sleep and macros: marginal gains and staying available. That's a large, self-motivated, non-clinical adoption wedge — and it normalizes the exact behavior the high-risk diabetic patient also needs. > The insensate diabetic foot and the pounded marathoner's foot are the same monitoring problem > from opposite ends: one can't feel the damage, the other can't afford it. --- ## Part 2 — The record you own is the product The AI observation is a feature. **The passport is the product.** Here's why the durable value is the record, not the storage or the model. ### Care is fragmented by design In a single year the typical Medicare patient sees **two primary-care physicians and five specialists across four different practices** — with *no one provider* holding the whole picture. Fragmented records drive medication errors, redundant tests, and delays; **patients with 5+ chronic conditions account for >90% of Medicare spending**, and fragmentation is a big reason why. For a foot specifically, you're seen by **primary + endocrinologist + podiatrist** — each on a thin **15-minute slice**, weeks or months apart, each looking at the foot *today* with no continuous view. Nobody in the system owns the longitudinal foot record. **Except you — if you build it.** ### Everything around the record changes; the record shouldn't - **Doctors change.** You switch practices, your podiatrist retires, your endo moves. Their EMR does not follow you — it's siloed to their system. - **Location changes.** You move states; the new clinic starts from zero. - **Your condition changes.** Diabetic today, post-surgical next year, an amputee's contralateral foot after that. The story is only legible if it's *continuous*. - **The passport survives all of it.** It's yours, portable, plain files, exportable — it outlives any single provider relationship. That is patient-owned **continuity of care**, and continuity is associated with **lower cost, fewer redundant tests, and more prevention.** ### Why the baseline You cannot detect change without a fixed reference. The **baseline** is the permanent anatomical zero-point — this foot's normal, its scars, its prior surgeries, its landmarks. Every future "appears more red than before" is measured against it. No baseline, no change detection — just disconnected snapshots. ### The value-add of the profile The **profile** is the *why and the context* that makes an observation mean something. The same red patch is "expected callus" on a runner and "watch for breakdown" on an insensate diabetic foot. The profile is what lets the system — and the next clinician — interpret a finding instead of just listing it. It also carries the reason you're doing this at all, which is what keeps the habit alive. ### Sharing docs turns a 15-minute visit into a high-signal one Instead of "it looked worse last week," you hand the podiatrist a **90-day timeline** — dated photos, tracked observations, a clean exportable record. The visit stops being a cold read and becomes a review of evidence. You walk in with the continuity the fragmented system can't provide, and the specialist's scarce minutes go to judgment, not reconstruction. --- ## What it means for OpenFootLab 1. **Addressable population is enormous and multi-motive** — high-risk medical (diabetes, trauma, neuropathy, PAD, RA) *and* performance (athletes). Same loop, same passport, different framing. 2. **The moat is the owned longitudinal record**, not the model. Models commoditize; a five-year, patient-owned foot history that survives every doctor and address change does not. 3. **The AI's job is to populate and maintain the record** — observe, compare, flag — so the human effort stays a 30-second daily photo, and the value compounds every day the habit holds. > Software you own, on a box you own, building a record you own — that a clinician can read in > minutes when it matters. That's the product. The foot is just where we start. --- ## Sources - *Epidemiology of Foot Injuries — NCAA 2009–2015* — https://pmc.ncbi.nlm.nih.gov/articles/PMC7017902/ - *Systematic review of systematic reviews on plantar fasciitis* — https://pmc.ncbi.nlm.nih.gov/articles/PMC8705263/ - *Epidemiology of ankle and foot overuse injuries in sports* — https://pubmed.ncbi.nlm.nih.gov/22846101/ - *Fragmented care risks / continuity of care value* — https://www.pinnaclecare.com/blog/fragmented-care-risks/ - *Continuity of care and cost/quality* — https://www.elationhealth.com/resources/blogs/how-ehrs-enable-better-continuity-of-care - Companion: `Foot-Risk-Beyond-Diabetes.md` (non-diabetic amputation & insensate-foot epidemiology). _Not medical advice. Prevalence figures cited from the linked literature; they vary by population and method._