The imamate of a man with a tremor
Question
If someone has a tremor in his hand, or in most of his leg, what is [the ruling on] his imamate?
Answer
If it shakes only slightly, so that it causes no difficulty in performing the pillars (arkan) of the prayer, then the imamate is not prohibited.
Source: Fatawa Mahmudiyya
Preview. The full text opens with JavaScript enabled.