Output vs Capacity vs Performance

Output vs Capacity vs Performance

The Metric Confusion Problem

A climber improves their max hang by 5 kg.

But their outdoor grade does not change.

They conclude:

“Hangboarding doesn’t work.”

Or:

A climber sends a harder route without increasing strength numbers.

They conclude:

“Strength doesn’t matter.”

Both interpretations are incomplete.

Because they are confusing three different layers:

  • Output
  • Capacity
  • Performance

1️⃣ Output — What You Can Produce

Output is a controlled expression of force or effort.

Examples:

  • Maximum hang load
  • Peak pull-up load
  • Board benchmark at fixed angle
  • Contact strength test

Output is measured in controlled conditions.

It reflects:

  • Neural recruitment
  • Mechanical force production
  • Specific joint angle strength

Output is the cleanest metric.

But it is narrow.

2️⃣ Capacity — What You Can Sustain

Capacity reflects repeatability.

Examples:

  • Number of hard boulders in a session
  • Time to pump
  • 4x4 performance
  • Density tolerance

Capacity includes:

  • Metabolic efficiency
  • Tissue durability
  • Fatigue resistance

Capacity is broader than output.

But harder to isolate cleanly.

3️⃣ Performance — What You Execute

Performance is the final outcome.

Examples:

  • Outdoor send grade
  • Competition result
  • Project success rate

Performance depends on:

  • Output
  • Capacity
  • Skill
  • Tactics
  • Psychological state
  • Environmental variables

Performance is the most complex layer.

And the noisiest.

Why Output Gains Don’t Always Increase Performance

Improving max hang increases force ceiling.

But performance may still be limited by:

  • Movement inefficiency
  • Route reading
  • Tactical pacing
  • Fear of falling
  • Poor recovery between attempts

Output is potential.

Performance is application.

Why Performance Can Improve Without Output Gains

Sometimes:

  • Efficiency improves
  • Beta improves
  • Tactics improve
  • Psychological barriers decrease

This increases performance without changing force capacity.

Capacity and skill can compensate for stable output.

The Directional Relationship

The layers interact:

Output → increases potential ceiling
Capacity → increases usable percentage of that ceiling
Skill → determines how efficiently it is expressed
Psychology → determines whether it is accessed

All feed performance.

But improving one does not guarantee immediate improvement in another.

The Testing Error

Many climbers test output weekly.

Then judge performance based on small fluctuations.

But output varies due to:

  • Fatigue
  • Skin
  • Sleep
  • Temperature

Performance varies even more.

Short-term noise must not dictate long-term programming.

Time Horizons Matter

Neural output can improve in weeks.

Structural capacity may take months.

Performance gains may lag behind both.

Impatience leads to:

  • Program hopping
  • Tool switching
  • Volume spikes
  • Overcorrection

Misinterpreting the layer causes instability.

Practical Application

When evaluating progress, ask:

  • Did output increase?
  • Did capacity increase?
  • Did performance increase?

If only one changed, identify which layer was trained.

Align expectation with adaptation.

The Core Principle

Output is what you can produce.

Capacity is how often you can produce it.

Performance is what you successfully execute.

Confuse these layers, and metrics become misleading.

Separate them, and progress becomes understandable.

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