This can cause wear and tear on the body - in particular the repetitive stress injuries, or RSI, of the thumb. An RSI is caused by overuse and results in inflammation, pain, stiffness, loss of ...

Topographic maps of flexion and extension across somatosensory and motor cortex. Finger transitions are better delineated in the flexion paradigm. (Courtesy: NeuroImage ...

If the thumb is released, flexion of the fingers with ulnar flexion of the hand is not painful. X-ray examination of the wrist is negative.

The flexion-extension and abduction-adduction characteristics of this joint allow your thumb to spread out wide to help grasp large objects, while also allowing it to move inward, to tightly touch ...

Some would argue that the thumb’s primary purpose is to be raised in the manner of Arthur “Fonzie” Fonzarelli from Happy Days, but we are most concerned with its role in gripping and grabbing objects ...

Active flexion of the tip of the thumb to the palmar aspect of the fifth metacarpal head was accomplished after 44 of the arthroplasties. In the other 10 arthroplasties, ...