Key Difference – Peristalsis vs Antiperistalsis The key difference between peristalsis and antiperistalsis is the direction of food movements. Peristalsis pushes downwards while antiperistalsis, which is reverse, pushes upwards. Peristalsis is the normal movement while antiperistalsis is not. Peristalsis is the wave-like movements of smooth muscles in the GI tract that pushes food bolus […]