I pray to you, O Lord, my rock.
Do not turn a deaf ear to me.
For if you are silent,
I might as well give up and die.
2 Listen to my prayer for mercy
as I cry out to you for help,
as I lift my hands toward your holy sanctuary. Psalm 28:1,2
Lillie-Put 
His hands is a gesture of a need that he has to be rescued and only Yahweh who sits in His sanctuary in heaven can deliver him.
Interesting thought. I will have to ponder that.
Let me help you with your pondering. According to Psalms 143:6 which says, 6 I stretch out my hands to you; my soul thirsts for you like a parched land.
Raised hands towards God is a form of need that only He can provide. There’s more than one meaning but in this context of Psalms 28, it’s a need for help from the Lord so he is extending his hands to be rescued.
Absolutely and it is a beautiful picture of us crying out and being raised up by our Abba father.
Just like a child who cries out for his father with his hands raised high. His father touched, quickly picks up his son, in likewise with our heavenly Father.