Dictionary

scaphotrapeziotrapezoid joint en · NOUN

Etymology

From scapho- + trapezio + trapezoid + joint

Meanings

1. (uncountable) The wrist joint where three bones, the scaphoid, trapezium, and trapezoid, meet on the thumb side of the wrist. It helps stabilize the wrist and transfer force during thumb and hand movements, especially gripping and pinching.

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