صحیح ابن حبان
Ibn Hibban
كتاب الصلاة
Book of Prayer
باب صفة الصلاة - ذكر إباحة استعانة المصلي بالركبة في سجوده عند وجود ضعف أو كبر سن
Chapter on the Manner of Prayer – Permissibility of using the knees for support in prostration due to weakness or old age
1 hadith
Hadith 1918
Sayyiduna Abu Hurairah (may Allah be pleased with him) narrates: Some companions of the Prophet (peace and blessings be upon him) complained to him about the difficulty during prostration, so he said: Seek assistance through your knees.