Thumb Pain: What is De Quervain’s Tendinosis & How Do You Fix It? July 19, 2021 Gamer’s Thumb. Mommy Thumb. Texting Thumb. They’re all different names for the same painful problem, in which the tendons that attach to the thumb rub against the “tunnel” that surrounds them and become inflamed. The medical term is De Quervain’s … Read More