٢٥٦٤ - حدثنا أبو بكر قال: نا وكيع قال: نا عثمان بن أبي هند قال: رأيت أبا عبيدة إذا ركع طبق.
Hazrat Usman bin Abi Hind narrates that I saw Hazrat Abu Ubaidah placing his hands one over the other between his legs while performing ruku (bowing in prayer).