Functional Testing. Before formally testing strength in each muscle, it is useful to do a few general functional tests that help detect subtle abnormalities. Check for drift by having the patient hold up both arms simultaneously or both legs simultaneously and close their eyes. Check fine movements by testing rapid finger tapping, rapid hand pronation—supination (as in screwing in a light bulb), rapid hand tapping, and rapid foot tapping against the floor or other object. Tests for subtle weakness are discussed further in Neuroanatomy through Clinical Cases 3e KCC 6.4.Go to Video 51 Go to Video 52 Go to Video 53
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