The most frequently injected upper-limb muscles were flexor carpi radialis (64.0% of patients), flexor carpi ulnaris (59.1%), flexor digitorum superficialis (57.2%), flexor digitorum profundus (52 ...

Flexor digitorum superficialis avulsion has also been reported in association with avulsion of the FDP tendon. [3,8,9] The avulsion occurs from the bone at its site of insertion. The present case ...