وَحَدَّثَنِي عَنْ مَالِكٍ، عَنْ نَافِعٍ، أَنَّ عَبْدَ اللَّهِ بْنَ عُمَرَ، كَانَ يَقُولُ إِذَا لَمْ يَسْتَطِعِ الْمَرِيضُ السُّجُودَ أَوْمَأَ بِرَأْسِهِ إِيمَاءً وَلَمْ يَرْفَعْ إِلَى جَبْهَتِهِ شَيْئًا ‏.‏

Yahya related to me from Malik from Nafi that Abdullah ibn Umarused to say, "When a sick man is unable to prostrate he should motionwith his head, and not raise anything to his forehead." Translation Not Available

Book Ref: Muwatta Imam Malik Book 9 Hadith 408
Web Ref:  Muwatta Imam Malik Book 9 Hadith 77

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