They flexed slowly as Gren held them.

He slowly flexed each muscle in his body and found that nearly all of them ached and throbbed.

The fingers of the right hand slowly flexed.

He flexed the golden fingers slowly, admiring their fluid grace.

He found that he was slowly flexing the fingers on his right hand.

Get into the other's frame of perception... Julia slowly flexed her fingers.

He slowly flexes his hand, then reaches down toward the empty desk.

He pointed to a mature soldier, slowly flexing his leg as he listened.

The bony black arm reached downward, slowly flexing its jagged razor-sharp fingernails.

Holding his wrist with the other hand, he was slowly flexing the fingers and thumb of the bare hand.