Movement at the distal radioulnar joint
supination & pronation
Movement at the radiocarpal joint
flexion & extension
Movement at the ulnocarpal joint
flexion & extension
Movement at the midcarpal joint
flexion & extension, radial & ulnar deviations
Extrinsic ligaments
-radial collateral
-palmar radiocarpal
-ulnar collateral
-palmar ulnocarpal
-dorsal radiocarpal
Extrinsic ligaments that limit extension
-palmar radiocarpal
-palmar ulnocarpal
ROM for most ADLs
10 degrees of flexion
35 degrees of extension
flexion ROM
0-85 (AROM)
0-90 (PROM)
extension ROM
0-75 (AROM)
0-80 (PROM)
radial deviation ROM
0-15 (AROM)
0-20 (PROM)
ulnar deviation ROM
0-35 (AROM)
0-37 (PROM)
pronation ROM
0-80 (AROM)
0-90 (PROM)
supination ROM
0-80 (AROM)
0-90 (PROM)
Strongest wrist extensors
ECRL, ECRB, ECU - due to attachments on carpals
Strongest wrist flexors
FCU, FCR - due to attachments on carpals