The Messenger of Allah ﷺ said, "The best among you are those whose shoulders are softest in the prayer."
حدثنا ابن بشار حدثنا أبو عاصم حدثنا جعفر بن يحيى بن ثوبان قال أخبرني عمي عمارة بن ثوبان عن عطاء
قال رسول الله ﷺ خياركم ألينكم مناكب في الصلاة
No references are available.
[Its isnad is hasan] Bayhaqi reported it, 3/101, from the hadith of Abu Dawud, through his route, and Ibn Khuzayma graded it sahih, no. 1566, as did Ibn Hibban, no. 397. The hadith has corroborating narrations.