He drew himself together, Flexing his limbs for a leap and a rush, anxiously observing the chanting crowd around the fire in the sunset glow.
"Witch-Doctors"
Charles Beadle
He was standing with one knee dug into the couch, straining her head back against the wall, his hand on her forehead and the beautiful Flexing arch of her neck rising ...
"The Vertical City"
Fannie Hurst
The surface under his feet remained stolidly where it was, Flexing not a fraction of an inch in any direction.
"The Thing in the Attic"
James Benjamin Blish