- Finkelstein's test:
- ask patient to make a fist over his thumb, and ulnarly deviating wrist
- sharp pain at this site is produced by active extension and
abduction of the thumb against resistance;
- Differential Diagnosis:
-
DeQuervain's tenosynovitis must be differentiated from from
degenerative arthritis &
trapeziometacarpal joint;
- test to differentiate the two is the Grind test which will usually be
negative in DeQuervain's but positive in degenerative arthritis;
- Grind Test:
- it is performed by holding thumb proximal phalanx & MCPJ in examiner's
hands & forcefully pushing against trapeziometacarpal joint, while
also rotating it slightly, to cause grinding motion;
