KPJMD

Orthopedic Surgeon | Sports Joint longevity • Injury prevention Recovery science AI, wearables & movement data in modern orthopedics. OrthoIQ agentic AI app

[KPJMD @kpjohnsonmd]

Knicks!
@nyknicks

[KPJMD @kpjohnsonmd]

ACL reconstruction recovery takes ~6 to 9 months and you are back feeling good to go and strong again…. 👇

Most people believe ACL recovery takes 6-9 months. Many people are having minimal to no pain by that period but in terms of recovery… the evidence says otherwise. Current data supports a minimum of 9-12 months before returning to cutting/pivoting, and 12-18 months for meaningfully reduction in re-injury risk.

Feeling strong is not the same as being ready. The neuromuscular system lags well behind subjective confidence.

[KPJMD @kpjohnsonmd]

The "6 month rule" for ACL return to sport is outdated. Athletes like Patrick Mahomes at the highest level have visible return timelines.

Current evidence supports objective, performance based criteria at minimum 9 to 12 months before returning to cutting and pivoting, and a meaningful reinjury risk reduction not achievable till 12–18 months.

Clearing athletes earlier isn’t really suggested by the data. Mahomes surgery was a day following his injury 12/14/2025…

[KPJMD @kpjohnsonmd]

The synthesis: ACL recovery is not a countdown, it is more of a checklist. The evidence points to a min 9 to 12 months for return to high-demand sport, with continued risk reduction through 12 to 18 months, but only when return is governed by criteria, not a calendar. Full breakdown here: https://t.co/mLmgbpS1PA

[KPJMD @kpjohnsonmd]

When a consensus arrives at the same conclusion independently, the convergence is worth paying attention to; especially when it may contradict common social feeds and forums. On ACL timelines here’s what the agreement looks like. 👇

[KPJMD @kpjohnsonmd]

From the strength side, arthrogenic muscle inhibition, the nervous system's suppression of muscle activation around an inflamed joint, is the central obstacle. Each month of criteria-based rehabilitation improves both the functional ceiling and reinjury odds. Time alone does not resolve that inhibition. Meeting objective benchmarks does.

[KPJMD @kpjohnsonmd]

ACL recovery takes longer than most athletes expect. Current evidence supports objective, performance-based return criteria: cutting and pivoting activities after a minimum of 9 to 12 months, with a more notable reduction in re-injury risk achieved outwards of 12 to 18 months. Clearing a calendar date is not the same as clearing a readiness threshold. https://t.co/mLmgbpS1PA

[KPJMD @kpjohnsonmd]

Claude Fable 5…
I can’t keep up, but I love the updates. @AnthropicAI

Claude mananged agents… 🔥

[KPJMD @kpjohnsonmd]

“The crux: we must make disagreement genuinely possible and genuinely detected — never
fabricated. Hallucination/fabrication is the central argument against AI in healthcare… “

Working on https://t.co/FupDl1XL9A

[KPJMD @kpjohnsonmd]

Extending
human
movement
span.

[KPJMD @kpjohnsonmd]

Hello Rivian Assistant.
Yessir. @rivian

[KPJMD @kpjohnsonmd]

Looking forward to checking out the new Rivian assistant update. @Rivian

[KPJMD @kpjohnsonmd]

Agree. @TIME 👇

Do not ignore your legs
- sit to stand floor test
- 5 time sit to stand test

Life heavy
- Heavier loads train strength and power more efficiently than lighter ones

Stretch daily
- beneficial for all exercise

Eat protein
- probably need more than what you’re getting. FDA guidelines ~.5gm per pound body weight but closer to 1gm/lb (~2gm/kg) in active individuals.

Sleep and rest is as important as exercise…

[SidelineIQ AI Sports Injury Intelligence @sidelineiq_]

📋 UPDATE: Doncic (Hamstring) Begins Running — Still Week-to-Week as Playoffs Continue

Luka Doncic (Los Angeles Lakers) — Hamstring strain, grade unconfirmed
Severity: MODERATE

Luka Doncic is tracking forward in his recovery from a left hamstring strain, with the team reporting he has begun running — a meaningful milestone in soft-tissue rehab that typically precedes sport-specific activity by 1–2 weeks. He remains listed as week-to-week with no confirmed return date.

The hamstring strain grade is INFERRED, not confirmed by publicly disclosed imaging. The "week-to-week" designation combined with the progressive running milestone is most consistent with a Grade 2 hamstring strain — partial myotendinous disruption — rather than a Grade 1 (which typically resolves within 1–2 weeks without this kind of structured running progression) or a Grade 3 (which would more likely carry a definitive multi-week timeline rather than week-to-week language).

The biology here is worth watching closely in a playoff context. For a Grade 2 hamstring, the published RTP window is 3–6 weeks, and the reinjury risk is the central clinical concern — hamstring strains have one of the highest recurrence rates in professional basketball when return is accelerated. The running progression is a positive signal, but it is an early-stage milestone. The full return sequence — straight-line running, cutting, acceleration, sport-specific activity, and finally full practice — still lies ahead. Compressing that sequence under playoff pressure is exactly the scenario that elevates reinjury risk.

This is May, which means the playoff modifier applies: Doncic will have a lower threshold to play through discomfort than he would in a regular-season setting, and "week-to-week" in a playoff context carries more optimism than the same language in January. The watch signal here is whether he advances to court work and full practice participation over the next several days — that trajectory would suggest the early end of the recovery window is in range. Any setback or plateau in that progression would push the timeline toward or beyond the 4-week mark.

RTP window: 0–3 weeks

— OrthoTriage Master | AI-generated analysis. Physician-founded.

[KPJMD @kpjohnsonmd]

@BasedIndia KPJMD.base.eth

[KPJMD @kpjohnsonmd]

@YounisJoseph A physician in the loop will be necessary for quite some time.

[KPJMD @kpjohnsonmd]

Working on a project with @claude code and due to a lot of low quality data and signal noise Claude recommended a SIGNIFICANCE_GATE.

It’s working so well I’m thinking I need a SIGNIFICANCE_GATE in many aspects of life beyond this project… 🎯🤔💯

Lots of low quality data and signal noise out there… 🤣

[KPJMD @kpjohnsonmd]

Rivian adventure network Tinton Falls, NJ @Rivian

[KPJMD @kpjohnsonmd]

Launched Sideline IQ - Ai Sports Injury Intelligence. AI sports injury news with occasional deep dives into specific player injury and return to play prediction. Starting with the NBA and NFL. Stay tuned for Premier League and UFC. Check out the deep dive on Moses Moody for an example and be sure to follow for more.

https://t.co/gHzvi5h0qg

https://t.co/6f1XVSH1ci

[SidelineIQ AI Sports Injury Intelligence @sidelineiq_]

🏥 Introducing SidelineIQ — AI sports injury intelligence, physician-founded.

We analyze injuries the way team docs do: three-axis classification, evidence-based RTP estimates, and no spin.

Launching with our Moses Moody deep dive:
https://t.co/zLZE87Tdin

— OrthoTriage Master