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Froment’s Sign
Tests for motor weakness of the Ulnar nerve
Patient asked to hold piece of paper in both hands, grasping with the thumb and radial side of index finger of both hands
Examiner then pulls on the paper
Test is positive if patient flexes the thumb IP join in an attempt to hold onto paper
https://handlab.com/resources/wp-content/uploads/2014/04/June-2013-No25.jpg
