: This is very common in older adults and often presents as pain at the base of the thumb during pinching or gripping activities.
: As we age, the small muscles at the base of the thumb (thenar muscles) can lose mass, leading to a more sunken or "skinny" look. skinny mature thumbs
: Thinner, less elastic skin—sometimes called "crepey skin"—makes the underlying bones and tendons more prominent, contributing to a slender appearance. : This is very common in older adults
Maintaining the health of your thumbs as they "mature" involves a combination of exercise and joint protection: How to tape for Thumb PAIN and ARTHRITIS Maintaining the health of your thumbs as they
: Deterioration of cartilage in the thumb joints, especially the basal (CMC) joint, can cause pain, stiffness, and sometimes a change in the thumb's contour. Health and Mobility Considerations