📖 Static demo — read-only snapshot

You’re browsing a static build of the Body IQ knowledge graph, so everything loads with no backend. A few things that need the live server are turned off here:

  • Global search (sidebar) is disabled — it queries the API.
  • The JSON API and the API “Try it” playgroundaren’t included.
  • FHIR resources are build-time snapshots served as static files, not the live /api/exercises/<slug>/fhir route.
  • The data is a snapshot — it refreshes only when the demo is rebuilt, not live from the database.

Everything else — the body map, progression ladders, coverage heatmap, exercise finder, and all anatomy/exercise/source pages — works fully. The full app (live search + API + database) runs from the source on GitHub.

Upper Cervical Flexion

Atlantooccipital Joint • Cervical Spine • sagittal plane

Draft80%

Nodding motion — chin tuck. Flexion at the atlantooccipital joint.

Axis: medial-lateral

Normal Range of Motion

AROM
0–10°
Active range
PROM
—
Passive range

Upper-cervical nodding contribution; segmental estimate.

Source: Segmental estimate (occipito-atlantal)

Muscles (2)

MuscleRoleNotes
Deep Cervical FlexorsPrimaryLongus capitis: 11.1% CSA increase at C0-C1; longus colli: 17.4% at C2-C3
SternocleidomastoidSynergistAssists upper cervical flexion when DCFs active

Functional Tasks (1)

Posture Maintenanceessential

Exercises (8)

Deep Neck Flexor Training (Chin Tucks with Pressure Biofeedback)
Upper Cervical (Suboccipital) Exercise with Release
Supine Chin Tuck with Liftoff
Sitting Craniocervical Flexion with Oblique Band Resistance
Upper Cervical Rotation Drill
Chin Tuck with Overpressure
Deep Neck Extensor Endurance
Seated Cervical Flexion AROM

Sources