Inductive phase
Repeated experience suggested a pattern
Decades of observation suggested that controlled skating enabled useful mobility that pain-limited walking did not sustain in the same body.
ACCESS STORY · THIRTY YEARS OF FUNCTIONAL ADAPTATION
What Looks Like a Stunt Is the Access Story
A lived observation in 1991—that walking and controlled inline skating did not affect my mobility the same way—became a thirty-five-year record of adaptation, access, and measurement.
The story begins with injury, but it is mainly a story about continuing to move. Skates became a mobility strategy before wearables existed and long before there was an Evidence Observatory. Read the concise case briefing.
Photographs, medical history, transportation records, public disputes, routes, and sensor measurements document different parts of that history.
Observation, theory, testing
The Scientific Method Applied to Mobility
The original observation was simple: walking and skating produced different functional results in my body. Walking repeatedly transferred load through the pelvis, sacroiliac joints, and hips already altered by injury. Controlled inline skating used rolling contact, push, and glide to preserve movement between propulsion cycles.
That became a working hypothesis: inline skates could function as a mobility aid because the movement pathway was more usable for me than repeated pain-limited walking. Both movements exchange force with the ground; the question was how their movement sequences, load paths, duration, and useful output differed.
The testing did not happen only in a laboratory. It happened while working, shopping, traveling, using public transportation, entering public buildings, attending court, riding a motorcycle, going to physical therapy, and trying to move through ordinary life.
Deductive phase
Comparisons were designed to test it
Wearable, route, transportation, and Mobility Perturbation & Recovery Experiment evidence asks whether walking, skating, riding, and recovery contexts produce distinguishable N-of-1 patterns.
This N-of-1 case study documents repeated functional experience, measured context, and supports investigation.
Keep the record types distinct
One Story, Several Kinds of Evidence
Personal account
What I experienced
Pain, difficulty walking, bending, standing, waiting, changing footwear, and adapting transportation are described in my own voice.
Medical documentation
Injury and treatment history
Pelvic and SI-joint injuries, later hip-impingement diagnosis, and surgery provide medical context. This public page does not reproduce private records.
Measured observation
What instruments recorded
Wearables, routes, and episodic sensors record activity, distance, duration, recovery, RRI/HRV, acceleration, and movement context—not pain itself.
Documentary history
What happened in public systems
Letters, decisions, licensing history, transportation events, and public-access disputes document how an unfamiliar aid was evaluated.
Legal history
Disputes are not universal law
Personal allegations, agency actions, records, and outcomes must be labeled by source and status. They do not automatically establish binding precedent.
Scientific interpretation
What the pattern may mean
The Evidence Observatory keeps interpretation beside samples, units, missingness, sources, and limitations.
More than thirty years
Timeline of the Mobility Adaptation
Pelvic and sacroiliac-joint injuries
A vehicle collision caused extensive pelvic and SI-joint injury. The long-term mobility problem involved more than whether I could take a step; it involved the cumulative effect of walking, posture, impact, and repetition.
Skating became a mobility strategy
Regular inline skating began as a practical response to the difference I felt between walking and rolling movement. Controlled skating allowed useful travel that pain-limited walking could not sustain in the same way.
The hypothesis became a documented access issue
The mobility strategy was not merely theoretical. Transportation systems repeatedly treated the visible form of the aid as the problem, even when it was the means of access.
Documentary record · 2003
CalTrain Civil-Rights and Access Video
The public video records a CalTrain access conflict involving inline skates used as a mobility aid. It documents the encounter and the practical access question; it does not by itself decide the legal meaning of every event.
Summary: transportation staff challenge the use of skates in the transit environment, making the tension between equipment category and mobility function visible.
Court access became a practical test of the claim
What occurred: I sought courtroom access while wearing the skates I used for mobility.
What was documented: the court-access record documents admission with the skates recognized for their mobility function.
What I argue it means: function could be evaluated in the real environment instead of inferred from appearance alone.
What may be generalized: reviewers can ask about actual function, actual risk, and effective alternatives without treating one event as universal precedent.
After public transportation barriers, motorcycle use while wearing skates also became a practical accommodation: it connected rolling mobility with independent travel and avoided repeated footwear changes.
Agency review recognized an individualized mobility question
A Federal Transit Administration determination involving BART became the central public transportation-recognition source in this history. Its scope is the matter reviewed; it does not decide every future environment.
Later medical context
Attributed history: the individual reports that subsequent clinical evaluation using 2009 imaging led to a 2010 Hip Impingement Syndrome diagnosis and surgery. The MRI is not presented as diagnosing HIS, and the primary 2010 clinical record has not been recovered.
Diagnosis and surgery helped explain more of the hip and pelvic mechanics but did not erase the mobility problem. As bending and sustained footwear changes became difficult, I removed the laces from my skates to reduce pulling, bending, and time held in that position.
Longitudinal evidence
WHOOP and Strava added repeated activity, overnight recovery, distance, duration, and route context. These records made the long-running mobility pattern easier to inspect across time.
DMV administrative record and operating notation
The personal record includes a disputed licensing process followed by DMV documentation of vehicle operation while wearing skates. The record documents an administrative outcome and operating notation, not a mobility-aid certification or general permission to use skates everywhere.
Episodic evidence and the FSI/CSS Evidence Observatory
Polar H10 and Kubios added episodic RRI, HRV, ECG, acceleration, and movement evidence. Repeated Mall Skate → Pain-Limited Hallway Walk → PT Pain-Relief Skate protocols and transportation sessions created structured comparisons.
The Evidence Observatory now reconciles approved source views while preserving FSI, Cohort Similarity Score (CSS), Tensor v0.3, provenance, sample status, and the difference between longitudinal and episodic evidence.
Longitudinal and episodic evidence
From Memory to a Source-Linked Record
WHOOP provides longitudinal activity and overnight recovery context. Strava contributes routes, distance, duration, speed, and repeated functional travel. Polar H10 and Kubios provide higher-specificity episodic RRI, HRV, ECG, acceleration, and movement context.
WHOOP overnight recovery HRV/RMSSD is not Kubios session HRV. A route is not an autonomic measurement. A personal pain report is not a sensor value. Keeping those roles separate makes the record more credible, not less human.
Function over category
Why the Story Matters
For decades, systems often treated the mobility aid as the problem. The story shows a recurring category failure: skates looked recreational, motorcycle use looked unusual, ParaTransit looked automatically accessible, and walking looked ordinary.
Function told a more complicated story. Skates enabled movement. Transportation mode changed body coupling. Walking could end after little useful mobility. Familiar-looking alternatives could still impose substantial practical burden.
The measurements do not replace this history. They help reviewers inspect parts of it. The history does not replace the measurements either.