- Verminderde stabiliteit (ligamentair – musculair): vooral thv. radiocarpaal regio
- Verminderde compressiebelastbaarheid (steunname): bv. na immobilisatie of bij degeneratie
- Pijn en stijfheid (sensorisch, klinisch) tijdens beweging / steunen / grijpen
- Krachtsverlies (neurologisch / OA)
- Sensibiliteitsstoornissen (sensorisch)
3
, Pols: kinematica
Dorsale flexie:
- Proximale rij carpalia rolt naar dorsaal
- Proximale rij carpalia transleert naar radiaal ten opzichte van radius (Crisco, 2005)
Palmaire flexie:
- Proximale rij carpalia rolt naar palmair ten opzichte van radius
- Geen translatie op basis van resultaten 3D-onderzoek
Radiale abductie:
- Palmair kantelen van scaphoid / lunatum ten opzichte van radius
- Kanteling scaphoid > lunatum > triquetrum
- Gevolg: “pronatiebeweging” van proximale rij carpalia ten opzichte van radius
Ulnaire abductie:
- Extensie proximale rij carpalia ten opzichte van radius
- Gevolg: “supinatiebeweging” proximale rij carpalia ten opzichte van radius
Duimbasis (CMC 1): fysiopathologie
- Artritis CMC 1 (carpometacarpaal 1 gewricht = verbinding tussen os trapezium en MC 1):
o Postoperatief / postimmobilisatie
o Posttraumatisch
o Degeneratief OA
Duimbasis (CMC 1): functiestoornissen
- Verminderde ROM (repositie = abductie + extensie)
- Klinische stijfheid
- Pijn bij bewegen en kracht zetten tussen duim en index
- Verminderde compressiebelastbaarheid
- Verzwakking (krachtuithouding): M. Add. Pollicis
4
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