How to Get Bulletproof Tendons ft. Professor Keith Baar | Doctor Yaad Podcast

Key wellness + training strategies (bulletproof tendons / connective tissue)

1) Understand what drives tendon/ligament injury risk

• Jerk (high acceleration change) is a major injury driver for connective tissue.
• High-velocity, dynamic “snap” movements tend to create more injury risk than static holds.
• Don’t rely on pain cues: there is “no such thing as delayed onset tendon soreness” (tendons don’t warn you the same way muscles do).
• Tendons have strong/weak regions; as you fatigue, load shifts from strong regions → risk of tearing increases.

2) Stop the “tendon adapts slowly” misconception

• Tendons can adapt faster than muscle.
• If you immobilize for a few days:
  • Muscle drops ~5–10% collagen/size early
  • Tendon can lose ~15–20% collagen in ~3 days
• Practical implication: after being sick/inactive, you may need weeks to rebuild connective tissue (he mentions about 8 weeks to regrow from early loss).

3) Use “minimal effective dose” tendon loading (short, frequent, controlled)

Core protocol concept

• For connective tissue “anabolic” stimulus: ~10 minutes of total work/time per session.
• ~10 minutes on (stretch/isometric stimulus) + rest included matters more than counting reps.

Optimal timing between stimuli

• Tendon cells respond best to a repeated pattern:
  • ~10 minutes of stretch produces maximal anabolic signaling
  • After that, extra time adds more wear/tear (catabolic signals) without more anabolic benefit
• Suggested schedule: 10 minutes on, ~6 hours off, repeat
  • Example: 10 min on / 6 hours off / 10 min on / 6 hours off
  • This aims to reach ~40 minutes total work across 24h.

Isometrics beat dynamic “jerky” stretch for strength

• Same total amount of stretching work can yield different outcomes:
  • 4 × 30-second isometric holds → increases tendon strength
  • lots of dynamic stretch “back and forth” → can reduce stiffness / may be more injury-prone
• Plain-mechanism explanation: dynamic stretching adds more jerk/catabolic signaling.

4) “Two anabolic hits per day” idea (protective loading)

• If you want extra protection/adaptation without massively increasing total catabolic stress:
  • Add one extra, light tendon session (e.g., morning) while keeping regular training later.
• He recommends no more than 1 extra tendon session per day (so max ~2 sessions/day total).
• Example approach:
  • Morning: lighter partial-bodyweight holds that mimic the target positions (enough tension to feel it in the tissue)
  • Evening/afternoon: normal sport/calistenics work

5) Practical “anabolic sets” for calisthenics athletes (suggested template)

A short “mobility + tendon stiffness” sequence for high-risk positions (e.g., PLCH and maltese):

• Frequency: 1 session/day (often morning)
• Total session time: ~10 minutes
• Isometric holds:
  • Start with ~30 seconds per contraction if needed
  • If perfectly healthy, he suggests it could be up to ~10 minutes (or shorter later)
  • Progress to ~10 seconds per hold after ~4 weeks (if all goes well)
• Volume math rule: total time under the protocol (active + rest) matters—not huge rep counts.
• Exercise selection idea: include multiple tendon targets around the movement (e.g., rotator cuff + different shoulder areas, and distal/proximal biceps if relevant).

6) How to progress without accidentally overloading

• Ramp slowly into harder statics—progressions exist for a reason.
• Don’t “skip ahead” just because you can do the position briefly.
• Smooth transitions between progressions reduce risk.

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Injury recovery protocols (how to rebuild safely)

7) Don’t immobilize and “shut down” for tendon injuries

• Immobilization can cost tendon collagen quickly (~15–20% in ~3 days).
• The approach emphasizes early controlled loading rather than prolonged rest.

8) Early rehab immediately after injury/surgery: “low jerk isometrics”

• Goal: apply tension while reducing damaging jerk.
• Low jerk method:
  • Load slowly over ~3–5 seconds
  • Hold up to ~30 seconds (but no pain during the set)
  • Lower slowly over ~3–5 seconds
  • Do ~4 repetitions for that tissue (framed as a course of work)
• Progression approach:
  • Start from the strongest pain-free position
  • Then later progress load/force

9) After pain improves: keep going (finish the “course”)

• Tendons may feel better quickly, but tissue still needs remodeling.
• Analogy: antibiotics—don’t stop when you feel good.
• Rough “course length” he suggests:
  • ~8 weeks of daily isometrics for rehab
  • Then maintenance ~1–2×/week
• Key emphasis: train through tension (not pain).

10) Pain fits the biopsychosocial model (reassuring movement)

• Central inhibition and fear/context can worsen recovery.
• Practical takeaway: teach the body/tendon it’s safe to move using controlled loading, rather than fear-based avoidance.

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Nutrition supplements + timing (support, not the main driver)

11) Nutrition is supportive; load is ~95% of results

• The mechanical stimulus is the main lever.
• Nutrition may add roughly ~2–5% on top.

12) Hydrolyzed collagen / gelatin + vitamin C (main supplement idea)

• Timing target:
  • Take ~30–60 minutes before the anabolic tendon sets
  • If you can’t time precisely, be consistent daily
• Amount he mentions:
  • ~5–10 g hydrolyzed collagen
  • Vitamin C: about 50–250 mg (roughly “about a glass of orange juice / several strawberries”)
• Why vitamin C matters:
  • Needed for collagen processing/export.
• Combination strategy:
  • Combine with whey protein to support amino-acid availability (he emphasizes leucine via mTORC1 signaling).

13) Example “whey + collagen” dosing he uses as a reference

• Whey: ~0.25 g/kg body weight (often ~20 g for an average person)
• Hydrolyzed collagen: 5–10 g
• Vitamin C: taken with the collagen

14) Key nuance: avoid broad anti-inflammatory suppression

• Some inflammation is necessary for connective tissue adaptation.
• Broad NSAIDs/ice baths may reduce gains.
• Supplements like turmeric may be only modestly helpful, with unclear/limited impact due to absorption and pathway specificity.

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Presenter / sources

• Presenter (interviewee): Professor Keith Baar (UC Davis)
• Host/presenter: Doctor Yaad (Yaad)

Mentioned researchers/works (sources referenced in discussion)

• Michael K. (tendon adaptation work referenced; peak collagen synthesis timing)
• Alex Nraea (explosive isometric programming referenced)
• Robert Schleip (fascia-related discovery referenced)
• (No-tendon-program mention) Emil Abrahamson / Crimped app / “no hang” and “max hang” concepts (rock climbing study)
• Shultz (knee laxity / estrogen-ludial surge study referenced)
• Jodets/other Japanese group (ACL timing around ovulation referenced)
• Ebony Rio / Jill Cook (isometrics + pain/inhibition framing referenced)
• Ken (PhD student in his lab referenced; finishing tendon work)