I dug my feet into the grass, as though straining.

I tried to dig my feet into the hard tube walls.

Digging his feet into the sand, he went to work.

The slope is so steep I have to dig my feet in sideways.

She dug her feet into the mud, and grabbed hold of a mangrove, refusing to move.

There he dug his feet into the dirt, and scrambled upward.

I dug my feet into the ratlines and began to climb.

Groaning with the effort, he dug his feet into the loose rock.

Danny dug his feet in and pushed his chair against the wall.

He dug his feet into the mud and finally got to where he could reach the asphalt on the other side at the top.