previous section: 2/4 page: 2/3 next

2Diagnosis

Always be sure to check for normal DIP joint flexion.

Examination

When the MP and PIP joints flex normally, sometimes the examiner might miss the fact that the DIP joint does not. Always be sure to check for normal DIP joint flexion.
Function of the flexor digitorum superficialis (FDS) can be checked by holding the non-injured fingers extended. The PIP joint should now flex normally, while the DIP joint is locked.