FitSpan Rules for Performance That Lasts
Michael Donovan, PhD
12/29/20251 min read


Pillar 1: Build Capacity
(Strength • Conditioning • Mobility)
1. Train for durability first.
Capacity isn’t how hard you can push—it’s how well you hold up when things go wrong.
2. Strength is non-negotiable.
Muscle is armor. Lose it and everything else becomes harder.
3. Cardio builds freedom.
A bigger engine lowers the cost of living—physically and mentally.
4. Mobility is a lifelong subscription.
Range + control = pain-free power now and decades from now.
Pillar 2: Recover Smarter
(Sleep • Nervous System • Stress Load)
5. Recovery is training.
Sleep, stress, and nervous system tone dictate progress more than grit.
6. You can’t outwork poor recovery.
If recovery lags, durability breaks—even in disciplined people.
Pillar 3: Real-World Fitness
(Train for Life, Not the Gym)
7. Train for life scenarios, not workouts.
Crashes, travel, kids, long days, uneven terrain—fitness should transfer.
8. Fitness should reduce friction, not add complexity.
If it doesn’t make life easier, it’s noise.
Pillar 4: Purpose-Aligned Performance
(Identity Before Intensity)
9. Train for the future you care about.
Kids. Adventures. Competition. Longevity. The goal decides the method.
10. Optimize for decades, not seasons.
Short wins mean nothing if you age out of the life you want.
Pillar 5: Measure What Matters
(Testing • Data • Decisions)
11. Measure only what changes behavior.
Testing and wearables exist to guide decisions—not impress dashboards.
12. Data without action is entertainment.
Feedback → adjustment → progress. That’s the loop.
The FitSpan Truth:
Capacity buys options.
Recovery preserves capacity.
Purpose directs effort.
Data keeps you honest.
Play is the proof.