1 Samuel 2:4
The bows of the mighty men are broken, and they that stumbled are girded with strength.

1 Samuel 2:9
He will keep the feet of his saints, and the wicked shall be silent in darkness; for by strength shall no man prevail.

Psalm 116:8-10
For thou hast delivered my soul from death, mine eyes from tears, and my feet from falling. [9] I will walk before the Lord in the land of the living. [10] I believed, therefore have I spoken: I was greatly afflicted:

Psalm 121:2-3
My help cometh from the Lord, which made heaven and earth. [3] He will not suffer thy foot to be moved: he that keepeth thee will not slumber.

Proverbs 3:23
Then shall thou walk in thy way safely, and thy foot shall not stumble.
 

Also See Arthritis And Deliverance