One-foot meaning

Her legs felt like posts, but she drug one foot in front of another until the ground under her feet seemed to change.

He drew his mount to a halt beside her and kicked one foot free of the stirrup, offering a hand up.

Martha rose and began to pace across the room, putting one foot toe to heel in front of the other, as if walking a tight rope.

The other half of his face was stuck in the shadows, giving him a surreal appearance, as if he had one foot in a different world.

She feared asking more and braced herself when it took one foot in its hand.