Body Knowledge
A 3D atlas for body psychotherapists
Click a muscle, read what it means. Pick a feeling, watch the body light up.
A working reference for practitioners of body-oriented psychotherapy. A full skeletal and muscular model renders in the browser; every muscle carries its psychological function, and the reverse screen resolves a developmental position or capacity back to the muscles that hold it. Practitioners keep their own notes on top and learn the mapping through short lessons on the body itself.


Gebaut für Menschen mit Namen, nicht für Jobtitel.
Bevor irgendetwas gebaut wurde, hat jemand die späteren Nutzer namentlich aufgeschrieben. Jeder bekommt ein echtes Konto, und vor dem Livegang wird jeder Screen aus der Sicht jedes Einzelnen durchgeklickt.
Yasser
Practitioner
Opens it between sessions to check what a held shoulder is doing.
Rowan
Practitioner
New to the mapping, works through the lessons in order.
Ein Meilenstein nach dem anderen.
Nach diesem Plan wurde die App gebaut. Jeder Meilenstein steht in einfachen Worten da, zusammen mit der Prüfung, die beweist, dass er funktioniert.
7 Meilensteine, 3 gebaut, 4 geplant
- 1
The body renders, and a marker selects a muscle
gebaut
The spine — skeleton substrate, muscle geometry, and the marker layer that makes selection possible.
So prüfen wir es: A practitioner selects a deep muscle that cannot be seen
- Given 'yasser' is signed in and the body is rendered
- When they zoom to the near tier over the pelvis
- And they select the marker for psoas major
- Then the muscle name psoas major is shown as selected
- And the selection succeeds even though psoas major is occluded by other muscles
- 2
A selected muscle shows its psychological function
geplant
The main thing someone does on their first visit — pick a muscle, read what it means.
So prüfen wir es: A practitioner reads both failure directions, not one
- Given 'yasser' is signed in
- And psoas major has a seeded psychological function
- When they select psoas major
- Then the capacity it serves is shown
- And the hypo-responsive expression is shown
- And the hyper-responsive expression is shown
- And the entry states where the claim came from
- 3
The reverse screen — pick a feeling, light up the body
geplant
The second half of the product: developmental positions and capacities resolve to muscles on the model.
So prüfen wir es: Early and late responses light up different bodies
- Given 'yasser' is signed in and viewing the positions screen
- When they select the early response of the autonomy position
- Then the muscles associated with that response are highlighted on the model
- And the muscles not associated with it are dimmed
- When they select the late response of the autonomy position
- Then a different set of muscles is highlighted
- 4
Zoom reveals detail — region, group and muscle tiers
geplant
The map behaviour proper: coarse markers far out, finer ones as you zoom, clustering in between.
So prüfen wir es: Zooming from the whole body to one muscle
- Given 'yasser' is signed in and viewing the whole body
- Then region markers are shown
- And individual muscle markers are not shown
- When they zoom in to a muscle group
- Then group markers are shown
- When they zoom in further
- Then individual muscle markers are shown
- And the legend lists the muscles currently in view
- 5
The practitioner's own notes on a muscle
geplant
What makes it a working tool rather than a reference — the user's own observations, kept separate from ours.
So prüfen wir es: A practitioner's own entry supersedes the derived one
- Given 'yasser' is signed in
- And psoas major has a derived psychological function
- When they author their own entry for psoas major
- Then their entry is shown as the current one
- And the derived entry is still retrievable as superseded
- 6
Learning the mapping — short interactive lessons on the body itself
gebaut
Turning the atlas from something you look things up in into a course you play through, Duolingo-short and Brilliant-hands-on.
So prüfen wir es: A muscle is answered by touching it
- Given 'yasser' is signed in and has started a lesson
- When they are asked which muscle carries a named capacity
- And they tap that muscle on the model
- Then the answer is marked correct
- And the muscle stays lit while its reading is shown
- 7
The ladder — from a total beginner to fluent in the mapping
gebaut
The order the content is learned in, and the scheduling that makes it stick.
So prüfen wir es: The vocabulary comes before the muscles
- Given 'yasser' is signed in and has never studied
- When they start the course
- Then they are taught the ego functions and the developmental positions
- And no muscle step is offered yet
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