Not graded
Riyad as-Salihin 1752
Narrator:Abu Hurayrah
عن أبي هريرة رضي الله عنه أن رسول الله صلى الله عليه وسلم: نهى عن الخصر في الصلاة. ((متفق عليه)).
Abu Hurairah (May Allah be pleased with him) said:
We are prohibited from placing the hand on the side during As-Salat (the prayer).
[Al-Bukhari and Muslim].
Reported by Al-Bukhari (No. 1219). Cited in Riyad as-Salihin (No. 1752).