I saw the Messenger of Allah ﷺ sitting in prayer with his right forearm resting on his right thigh, raising his index finger which he had slightly bent, while he was making supplication.
حدثنا يحيى بن آدم قال حدثنا عصام بن قدامة البجلي قال حدثني
رأيت رسول الله ﷺ وهو قاعد في الصلاة قد وضع ذراعه اليمنى على فخذه اليمنى رافعا بأصبعه السبابة قد حناها شيئا وهو يدعو