In modern times, it is most common in Pentecostal and charismatic churches. The gesture is also seen in Catholic worship, esoteric sects, and in certain forms of exorcism ritual. It is commonly used in small group renewal weekend settings such as Cursillo. It is common in some charismatic churches during praiseful singing as well.
In more radical thought, the orant gesture is seen as a way of surrendering to the powers that be and submitting to the intrinsic patterns of the universe. As a component of cosmic religion, orant is almost a form of meditation, and a symbol of conscious change. In looking up with arms spread open, an orant practitioner would theoretically feel the chaos of the universe, and yet remain in perfect solace.
Orante: Jesus Walk
Symbolism is a marvelous thing. Often we adopt a symbol for one reason and then explain away that reason as we move further away from it in time.
Yes the Orans Posture is pre-Christian but was every bit of a religious symbol as it is now. But, what did it mean?