الصلاة : Hadeeth No:1526
A hadith like this has been narrated by A'mash, with the same chain of transmitters....
الصلاة : Hadeeth No:998
This hadith has been narrated by Shu'ba with the same chain of transmitters. And in the hidith transmitted by Ibn Ja'far (the words are):" None of you should stretch out his forearms like the stretching out of a dog."...