Extensor Radialis Carpi Brevis Special Tests

Radial Nerve Floss

To do:

With the client supine, the therapist depresses the shoulder,

Next, they bring the shoulder into abduction

Then the therapist externally rotates the client’s shoulder

The therapist brings the client’s wrist and fingers into extension, followed by elbow flexion

Positive Sign:

Feeling of stretch along the radial nerve path

Mill’s Test

To do:

With the client seated,

The therapist palpates the lateral epicondyle with one hand, while pronating the client’s forearm,

The therapist also fully flexes the client’s wrist, while extending their elbow. 

Positive sign:

Pain at the lateral epicondyle 

Cozen’s Test

To do:

With the client seated and their elbow extended and forearm pronated.

The client’s wrist should be radially abducted and hand in a fist.

The therapist should stabilize the elbow at the lateral epicondyle and the other hand should be on the back of the hand.

From here the client is asked to move the wrist into extension, while there therapist provides resistance

Positive sign:

Pain on the lateral epicondyle 


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