Will missing flexor digitorum superficialis keep me from playing the violin well?

1. What does the flexor digitorum superficialis muscle do?
2. How can you distinguish between flexor digitorum Profundial and Superficialis?
3. How do you test flexor digitorum superficialis?

What does the flexor digitorum superficialis muscle do?

The flexor digitorum superficialis flexes the middle phalanges of the medial four digits at the proximal interphalangeal joints. It also flexes the proximal phalanges at the metacarpophalangeal joints and the wrist joint. Flexor digitorum superficialis can flex each finger it serves independently.

How can you distinguish between flexor digitorum Profundial and Superficialis?

Unlike the flexor digitorum profundus, flexor digitorum superficialis has independent muscle slips for all four digits. This allows it to flex the digits individually at their proximal interphalangeal joints. In addition, flexor digitorum superficialis aids the aids flexion of the wrist.

How do you test flexor digitorum superficialis?

To test flexor digitorum superficialis, the patient is asked to flex PIP joint of one of the digits from 2nd to 5th while other remaining three digits held in extension so as to inactivate Flexor Digitorum Profundus.