The thenar eminence refers to the bulge that can be seen at the base of the thumb. It’s made up of three separate muscles that work to control the fine motions of the thumb.

Your thenar eminence is the soft fleshy area at the base of your thumb. The muscles here allow your thumb to text, grip objects, and carry things. Repetitive overuse of these muscles, such as from ...

Electric-stimulation tests were performed upon the thenar muscles in an attempt to evaluate the relative function of each muscle. Faradic current, with 30 milliamperes, was used.

No one muscle acts alone, ... Abduction moves the thumb away from the radial border of the hand and holds the thenar eminence so that it cannot slip forward and ulnarward into the palm.

This occurs as the muscles around the thenar eminence shrink. As nerve atrophy reduces the amount of sweating in the hands and fingers, people may also notice dry skin on the hand. Other risk ...

Carpal tunnel syndrome is a more common compression neuropathy, but it does not usually affect the little finger, and any muscle wasting would involve the thenar eminence. Cubital tunnel syndrome is ...