Name of test

Elbow flexion

What it tests

Biceps brachii

How to do it

With the patient seated the elbow is flexed in a supinated position. Push down to extend the elbow as the patient resists with biceps activity.

The normal response

Grade 5 strength. The examiner is unable to break the biceps strength.

What it means if not normal


The biceps brachii is innervated by the musculocutaneous nerve (C5-C6). If C5 innervation is intact, muscle strength should be at least 3/5.


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