He had already felt the strength of hands and arms.
She could almost feel the strength of his hands on her.
She could feel the heat and the strength in him.
He felt new strength, despite the pain in his body.
Because of that, he could feel their strength as they passed him.
Feel your strength and potential, once lost, return to you.
"And I can feel my strength coming back to me already."
Then at a certain point I can feel the strength of her painting.
She felt the strength of his hands on her shoulders.
She could feel and sense the strength in him, not merely physical.