Natural Mature Thumbs -

: Use specialized grip strength trainers that isolate the thumb’s closing motion.

: Deeply burying your hands in a bucket of rice and opening/closing your fingers against the resistance provides a full-range workout for the small muscles of the hand. natural mature thumbs

: When using tools or smartphones, keep the thumb bones in a "C" shape rather than collapsing the joints. This reduces wear and tear. : Use specialized grip strength trainers that isolate

Some thumb features are purely genetic and cannot be "developed" through exercise: This reduces wear and tear

: 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 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