The gun's legs flexed and stamped, uncomfortably close to where I was crouched, but it looked spasmodic.

Her hands drummed lightly up and down on the floor for a period of about five seconds, her right leg flexed, then shot straight out.

The machine's legs flexed, and it let out an ear-torturing howl like a dozen fire sirens all going at once.

Through diligent weight training, that muscles that blanket his arms, shoulders and legs flex with every movement.

While the legs are flexing to shift the body weight, racers should keep the upper body quiet.

He felt her legs flex, then she pushed off and her weight was gone.

The legs holding the suction cups flexed as he pressed it against the door, but they held it in place.

That thick, obscene leg flexed, and the creature stretched down.

His arms and legs flex, adjusting his balance in order to maintain the necessary course.

Now and then his hands contracted, arms and legs flexing involuntarily.