"Neutral spine" is one of the most frequently used phrases in Pilates, yet it is often poorly understood. Many instructors treat it as a rigid position clients must hold at all costs. In reality, neutral spine is a useful reference point, not a universally correct posture. Neutral spine is a reference point, not a rigid rule. What Is Neutral Spine? Neutral spine refers to the position in which the natural curves of the cervical, thoracic, and lumbar spine are maintained. This