A client with osteoarthritis of the hips and knees has received instructions on how to use a walker for ambulation. Which behavior observed by the nurse indicates the client understands the instructions?

The client uses the walker to get up from the chair and looks down at his feet to prevent falling.

The client bears weight on both feet when moving the walker ahead and steps with the weaker leg first.

The client places her full weight on the walker with her arms while taking steps to prevent pressure on her lower extremity joints.

The client leans forward at a 60-degree angle while stepping into the walker but looks ahead at where he is going.