: 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
Some thumb features are purely genetic and cannot be "developed" through exercise:
: Use specialized grip strength trainers that isolate the thumb’s closing motion.
: 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
Some thumb features are purely genetic and cannot be "developed" through exercise:
: Use specialized grip strength trainers that isolate the thumb’s closing motion.