An exercise device and method that is suitable to provide lateral stabilization of the exerciser performing a squatting exercise is provided. The device includes an exercise bar, and wheels that are located, in some implementation, at least the width of a doorframe. Some embodiments of the exercise bar further include a means to adjust its length and to cause vertical resistance. The lateral stabilization method includes the steps of aligning the wheels of the wheeled exercise bar to properly engage the vertical guiding surface; and engaging the vertical guiding surface with the wheels of the wheeled exercise bar such that the wheels roll with sufficient frictional or normal force thereon to provide lateral stabilization to the user.