A member asked:

What is the fatty tissue between thumb and index finger and why does it hurt?

A doctor has provided 1 answer
Dr. Robert Alexander answered

Specializes in Plastic Surgery

Likely Muscle: The pad between your index finger and thumb is mostly muscular. If sore, may just be a sprain of some type. Rest the grip use, and see your family doctor to confirm if you need and x-ray or splint limitation.

Answered 6/21/2018

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