📖 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.
- 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.
Wrist Extension
Radiocarpal Joint • Wrist • sagittal plane
Draft80%
Bending the wrist so the dorsum approaches the forearm.
Axis: medial-lateral
Normal Range of Motion
AROM
0–70°
Active range
PROM
0–70°
Passive range
AAOS lists wrist extension as 0-70 degrees; Norkin & White concur. The AMA Guides cite 0-60 degrees. Passive extension typically equals or slightly exceeds active.
Source: AAOS Joint Motion
Muscles (4)
| Muscle | Role | Notes |
|---|---|---|
| Extensor Carpi Radialis Longus | Primary | 34.5% of wrist joint stiffness contribution |
| Extensor Carpi Radialis Brevis | Primary | 20.5% of wrist joint stiffness contribution |
| Extensor Carpi Ulnaris | Secondary | — |
| Extensor Digitorum | Secondary | — |
Functional Tasks (2)
Gripping a Cupsupportive
Typingsupportive
Exercises (13)
Sources
- Kinesiology of the Musculoskeletal System: Foundations for Rehabilitation — Biomechanics of Wrist Extension