Most athletes train muscles. The smart ones train tendons.
The problem? Tendons donât give you warning signs. Thereâs no such thing as delayed-onset tendon soreness. One day you feel fine â the next day, something pops. New research led by Professor Keith Baar, one of the worldâs leading experts in tendon biology, reveals how tendons truly adapt â and it changes everything about how we should train.
đ„ Watch the Full Interview with Dr. Keith Baar
Before diving into the protocol, I highly recommend watching this conversation, where these concepts were discussed in depth:
The Real Culprit Behind Tendon Injuries: Jerk
Most tendon injuries arenât caused by heavy loading â theyâre caused by jerk, the rapid change in acceleration. Think kipping, snapping out of the bottom of a pull-up, bounce reps, or suddenly reversing direction. That explosive transition sends shock through the tendon before the muscle can react.
- High jerk + fatigue = tendon rupture
- Static positions can be safer â if controlled
- But once fatigue sets in, the âstrong regionâ of the tendon can no longer shield the weaker region, and thatâs when tears occur
Why Tendons Are Silent â and Dangerous
Muscles warn you with soreness. Tendons donât.
A tendon can be degenerating beneath the surface for months without pain. Thatâs why most ruptures seem to occur âout of nowhere.â Under a microscope, every ruptured tendon shows degeneration. The warning signs were there â you just couldnât feel them.
The Breakthrough: Tendons Stop Responding After 10 Minutes
Hereâs the critical discovery:
Tendons only respond to load for about 10 minutes. After that, the cells stop listening.
More loading doesnât mean more adaptation â it just means more wear, fatigue, and potential injury.
â The Formula for Tendon Growth
- Static load (isometric, no bouncing)
- Light to moderate intensity (â50% bodyweight or less)
- Total time: 10 minutes
- 1â2 sessions per day (6+ hours apart)
The 10-Minute Tendon Protocol
Goal: Build denser, stronger tendons using minimal effective dose
When: Separate session (morning or pre-training)
Load: Light â about 50% bodyweight or less
Method: 4â5 static holds that mimic your sport or risk positions
Example (Calisthenics / Strength Athlete)
| Hold | Duration |
|---|---|
| Planche Lean / Anterior Shoulder | 30 sec |
| Maltese Line / Supinated Bicep | 30 sec |
| Front Lever / Posterior Chain | 30 sec |
| Internal Rotation / Rotator Cuff | 30 sec |
⥠Rotate positions and repeat until 10 minutes total
⥠Beginners & rehab: stick to 30-sec holds
⥠Advanced: use 10-sec holds, increase rotations â NOT load
Rehab & Prehab: Same Method, Different Load
Phase 1 â Healing
- Pain-free 30-sec holds
- Very low load (â€25% BW)
Phase 2 â Rebuilding
- 30-sec holds
- Increase angles, moderate load (~50% BW)
Phase 3 â Performance Return
- Maintain morning protocol
- Resume heavy/dynamic training later in the day
Rule: If pain appears â regress intensity, never push through
Do Collagen Supplements Help?
Loading is the primary driver (â95%). Nutrition offers the final 5%.
Optional Stack (30â60 min before session):
- 15g hydrolyzed collagen or gelatin
- 50mg Vitamin C
- With whey protein for mTOR activation (leucine â collagen synthesis)
Tendons absorb nutrients during loading via compression and decompression â timing matters.
Final Word: Train Tendons Like You Plan to Keep Them
Muscles can be rebuilt. Tendons cannot afford mistakes.
You donât need hours â you need precision. Ten minutes a day can bulletproof your connective tissue, boost performance, and prevent the kind of injury that ends your season, or your career.

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