Hand - Carpal Instability

Question 1

describe the spectrum of injury in carpal instabiltiy

Answer 1

occult –> dynamic –> static

Question 2

What are the types of carpal instability

Answer 2

CID (dissociative)
CIND (nondissociative)
CIA (adaptive, carpal instability resulting from malunited distal radius fracture)
CIC (complex, perilunate dislocations combine CID and CIND)

Question 3

What is CID

Answer 3

Carpal instability dissociative
instability between individual carpal bones of single carpal row, such as dorsal intercalated segmental instability (DISI) with an SL ligament injury and volar intercalated segmental instability (VISI) with an LT injury