: 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
The "skinny" appearance of thumbs in older adults is often a result of aging processes that affect the underlying structures: skinny mature thumbs
: 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. : Deterioration of cartilage in the thumb joints,
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 Care and Maintenance : This is very common
: A condition where the thumb gets stuck in a bent position due to inflammation in the tendon pulley. Care and Maintenance
: This is very common in older adults and often presents as pain at the base of the thumb during pinching or gripping activities.