Pcore helps conditions of Lordotic CoreFlat Back Sway back, allowing better posture Balance and relieving stress on hips, back, Pelvis and knees Because it's lightweight and dynamic, it's a popular treatment option for a wide variety of conditions and symptoms: lower back pain, tightness or Stiffness, weak core, Curving of the Spine, poor posture or protruding abdomen. Pcore is also great for waistline reduction Core Support.