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Ulnar Drift in Inflammatory Arthritis (Fraser Health) [English] Permalink Public

What Is Ulnar Drift? Often caused by inflammation in the big knuckles and the inflammation causes the finger structures that support the joint to become weak and overstretched. The muscles in the hand hold the big knuckles in an overly bent position. The tendons that move the finger joints become tight and pull the fingers outward, and the fingers then start to “drift”, or bend away from the thumb. (English) Colour