How should the single thigh stretch be initiated?

In the single thigh stretch, the focus is on engaging the core while also ensuring proper alignment and activation of the legs. Initiating the movement by exhaling and pressing the back foot against the shoulder rest is essential as it helps to stabilize the pelvis and activate the abdominal muscles.

This action not only provides stability but also assists in maintaining the neutral spine position, which is crucial during the exercise. By pressing the back foot against the shoulder rest while exhaling, the body prepares for the movement of extending the front leg while keeping the core engaged. This technique promotes controlled movement, which is a fundamental aspect of Pilates, allowing for better focus on the muscle groups being worked without compromising form.

The other options may not provide the necessary stabilization or may misalign the focus of the exercise, thus not facilitating the proper initiation of the single thigh stretch.