Position of our hands while praying?

Question

How should our hands be positioned in prayer? Is there a right or wrong way?

Various biblical passages seem to indicate that raising the handpalms is an appropriate gesture for prayer. Verses like kohelet 4:5 seem to state that the folding of the hands is for fools, yet in Shabbat 10a it says that Rava in his prayer would remove his cloak and clasp his hands and pray. He said that he would do so as a slave before his master, who appears before him with extreme submission.

Does the Tenach show us a way how to pray with our hands? (Although Rabbi Heschel seemed to have prayed with his feet at least once, I’m sticking to the hands and not the gesture of other body parts).

Answer 1

See Shulchan Aruch 95:3 who writes that one places ones hands over ones heart with the right hand being over the left hand.

מניח ידיו על לבו כפותין (פירוש כקשורין) הימנית על השמאלית ועומד כעבד לפני רבו

Answer 2

The Aruch Hashulchan 91:7 writes what is quoted in the Shulchan Aruch that one should have his hands clasped, right over left ... However, he ends off saying that not all people are the same, and it may be difficult for one to daven like that, so rather he should do what helps him pray better.

Text of Aruch Hashulchan: