Flexor Digitorum Longus Special Tests

FDL Strength Test

To do:

With the client seated, they flex their toes

The therapist tries to extend the client’s toes

Positive sign:

The client is unable to resit the therapist’s force

FDL Length Test

To do:

With the client seated, the therapist extends the client’s lateral 4 digits

Positive sign:

Limited range of motion or a stretch felt along the muscle

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