What is the starting position for the spine stretch exercise?

The starting position for the spine stretch exercise is sitting tall with legs straight and feet flexed. This position is crucial as it aligns the spine in a tall, upright posture, promoting proper biomechanics and engaging the core muscles effectively. By sitting tall, the practitioner can maintain a neutral spine, which is important for executing the movement correctly and safely. Keeping the legs straight allows for a fuller range of motion during the stretch, while flexing the feet helps activate the lower leg muscles and maintain stability throughout the movement. This setup prepares the body to focus on the articulation of the spine as it stretches forward, enhancing flexibility and strength in the back muscles.

The other positions, such as kneeling, lying down, or standing against a wall, do not provide the optimal alignment and engagement necessary for the spine stretch exercise. Each of these positions lacks the essential qualities of an upright sitting posture that significantly contributes to the effectiveness of the exercise.