Длинные пальцы Сергея быстро двигались по клавишам. | Sergey's long fingers quickly moved across the keyboard. |
От стирки её пальцы распухли. | Her fingers were swollen from doing the washing. |
NB When the word палец functions as a subject and does not have a descriptive modifier, the construction палец у + Genitive is often preferred to (a) and (b), above: | |
От стирки у неё распухли пальцы. | Her fingers were swollen from doing the washing. |
NB Note that (b) is more common than (a). | |
пальцы левой/правой руки | the fingers of the left/right hand |
пальцы на левой/правой руке | the fingers on the left/right hand |
У неё распух большой палец левой руки (or на левой руке). | The thumb of/on her left hand had swelled up. |