When adjusting the footbar for footwork in the Reformer, what position should it be in relation to the client's hips?

The correct choice is that the footbar should be adjusted so that the client maintains a 90-degree angle at the hips while performing footwork on the Reformer. This positioning is crucial because it promotes proper alignment and body mechanics, which are essential for safety and effectiveness during the exercise.

When the hips are at a 90-degree angle, it allows the client to engage their core muscles effectively and utilize the leg muscles in a controlled manner. This stance facilitates a stable base and helps prevent strain on the lower back and other joints. Additionally, maintaining this angle provides the necessary range of motion for the legs while ensuring that the movements are smooth and fluid.

In contrast, positioning the footbar in a standing position would not provide the appropriate support and alignment for the exercises. Allowing the client to fully extend their legs is an important aspect of certain movements; however, starting from a 90-degree hip position is critical for maintaining control and stability. Lastly, aligning the footbar with the knees does not take into account the optimal positioning for effective footwork and may lead to discomfort or improper mechanics during the exercises.