'Ubaidullah bin 'Abdullah bin al-Asm

When the Messenger of Allah (ﷺ) prostrated himself, if a lamb wanted to pass between his arms, it could pass.

"A blind man came to the Messenger of Allah (ﷺ)and said: 'I do not have a guide to bring me to the prayer.' And he asked him to grant him a dispensation allowing him to pray in his house, and he gave

When the Prophet (ﷺ) prostrated he would hold his arms out from his sides so that if a lamb wanted to pass beneath his arms it would be able to do so.

"When the Messenger of Allah (ﷺ) prostrated, he would hold his arms out to his sides, so that the whiteness of his armpits could be seen from behind. And when he sat he rested on his left thigh."

It was narrated from Maimunah that when the Prophet (ﷺ) prostrated, he would hold his forearms away from his sides, such that if a lamb wanted to pass under his arms, it would be able to do so.