Theme: Usable range is revealed under demand.
🎯 Teaching Objective
By the end of this lesson, the coach should:
- Understand how to assess active, usable range
- Understand the difference between loaded and unloaded range
- Recognize multi-planar range gaps
- Observe asymmetry
- Identify whether range is restricted or dominant
STRUCTURE
PART 1 — What We Are Actually Assessing
Clarify immediately:
We are not testing flexibility.
We are testing:
Usable range under demand.
Then state:
Range that only exists unloaded is incomplete.
That aligns with your philosophy.
PART 2 — Active Range Assessment
Define clearly:
Active range = how far the client can move and control using muscular effort.
Explain what we observe:
• Joint segmentation
• Compensation
• Rib flare
• Lumbar extension
• Hip shift
• Loss of alignment
Keep it structural.
Not anatomical lecture.
Then reinforce:
If the body borrows movement from another joint, usable range is limited.
That’s clean and coach-friendly.
PART 3 — Loaded vs Unloaded Range
This is the key differentiator.
Explain:
Unloaded range tells us potential.
Loaded range tells us capacity.
Then clarify:
If unloaded range is full but collapses under light load → control deficit.
If range is limited even unloaded → restriction.
If loaded range improves alignment → possible stability dominance.
Then land this:
Loaded range reveals truth. Unloaded range reveals possibility.
That’s strong.
PART 4 — Multi-Planar Testing
Now layer in 3D thinking.
Explain:
Most assessments focus on sagittal plane.
Durability requires testing:
• Sagittal
• Frontal
• Transverse
Clarify:
Restriction often appears first in rotation.
Then say:
If rotation is missing, adaptability is limited.
Simple.
Defensible.
PART 5 — Asymmetry Observation
Explain:
We observe:
• Left vs right
• Dominant vs non-dominant
• Load shift
• Balance shift
Clarify:
Symmetry under bilateral movement can hide asymmetry.
Unilateral observation reveals it.
Then state:
Asymmetry is not the problem. Unmanaged asymmetry is.
That keeps tone mature.
PART 6 — Range Under Fatigue
This is important and often missed.
Explain:
Some clients display good range early.
Under fatigue:
• Compensation appears
• Depth shortens
• Rotation disappears
• Lumbar extension increases
Then state:
Fatigue exposes structural weakness faster than max load.
That’s high-level thinking.
PART 7 — Outcome of Range Assessment
End clearly:
Range assessment answers:
• Is range restricted?
• Is range accessible but unstable?
• Is range dominant relative to control and force?
Then close with:
We don’t chase flexibility.
We evaluate usable range within the durability system.
Clean.
Structural Integrity Check
This lesson now:
• Feels aligned with the Triangle
• Doesn’t drift into corrective territory
• Prepares for Control assessment next
• Reinforces loaded range philosophy
• Keeps it framework-level
