Fig. 2From: Characterisation of sucking dynamics of breastfeeding preterm infants: a cross sectional studyUltrasound images of one cycle of a preterm breastfeeding infant (a) tongue up corresponds with baseline vacuum (b) when the tongue is lowered to the lowest point peak vacuum is applied to the breast and milk flows (c) tongue returns to the soft palate and milk is removed from the oral cavityBack to article page