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Age range at time of injury Prefer not to answer / not sure 16–20 21–25 26–30 31–35 36–40 41–45 46–50 51–55 56–60 61–65 66+

Sex Prefer not to answer / not sure Female Male Intersex Prefer not to say

Years of grappling experience Prefer not to answer / not sure Less than 1 1–3 4–6 7–10 11–15 16+

Belt rank at time of injury Prefer not to answer / not sure White Blue Purple Brown Black No-gi / other grappling

Month and year of injury Month granularity only — never an exact date.

Artery and segment involved Prefer not to answer / not sure ICA cervical ICA intracranial VA V1 VA V2 VA V3 VA V4 Other

What seemed to cause it Prefer not to answer / not sure Choke Neck crank Stacking Takedown or impact Gradual or unknown onset Other

Time from injury to diagnosis Prefer not to answer / not sure Same day Within a week 1–4 weeks 1–3 months 3–12 months Over a year

Imaging findings For example: dissection with pseudoaneurysm on CTA. No hospital or doctor names.

Where things stand now Prefer not to answer / not sure Full recovery Recovering Returned to training Retired from contact Ongoing deficits

Months until return to training (if returned)

Your story (optional) What happened, in your own words. Please leave out names, gyms, cities, and exact dates — we remove them before publishing anyway.

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