: Avoid "Bending, Lifting, and Twisting" (BLT) movements that strain the thumb base. Occupational therapists from the Milliken Hand Rehabilitation Center recommend these stabilization techniques to keep thumbs functional as they mature. 3. Addressing Genetic Shapes
The "mature" look of a thumb often comes from a well-developed (the fleshy muscle at the base). You can increase this size through high-resistance training: natural mature thumbs
Some thumb features are purely genetic and cannot be "developed" through exercise: : Avoid "Bending, Lifting, and Twisting" (BLT) movements
: The ability to bend the thumb backward at a 50-degree angle or more is a recessive genetic trait. Our Aging Thumbs - Occupational Therapy Services - WashU Addressing Genetic Shapes The "mature" look of a
: When using tools or smartphones, keep the thumb bones in a "C" shape rather than collapsing the joints. This reduces wear and tear.