All the evidence reported above suggests that the morphological differences found between the PDPs of extant taxa seem to be also correlated to functional differences in hand function, particularly involving the thumb.
Theoretically, inadequate TMP joint reduction or trapezium malunion that leads to incongruency of the articular surface leads to osteoarthritis and loss of thumb function in the long term [16].
Affection of the carpometacarpal joint in the thumb may compromise function in the whole hand, and was found to contribute more to pain and disability than affection of the interphalangeal joints [ 42].
The associations between OA in the carpometacarpal joint in the thumb and self-reported symptoms and function.
A β-hairpin loop in the thumb domain located close to the active site is supposed to function in positioning the 3′-end of the RNA template.
(3) Two Zn ions were found, one in the fingers and one in the thumb subdomain.
More research on factors associated with OA in the carpometacarpal joint in the thumb is needed.
Like logic, this is also measured in the thumb.
However, by the time she was 26, her left hand was totally paralyzed and she lost function in her thumbs.
Hold your hands in the thumbs-up position, with your palms slightly downward and thumbs turned toward each other.
