Name of test

Finger flexion

What it tests

Flexor digitorum superficialis

How to do it

With the long, index and little fingers extended, apply resistance as the patient attempts to flex.

The normal response

Grade 5 strength. The examiner is unable to overcome the flexor digitorum strength.

What it means if not normal

The flexor digitorum superficialis is innervated by the median nerve (C7, C8, T1).



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