Inclusion Criteria:  The infants whose gestational age between 32 0/7-36 6/7 week and corrected age's older than 6 weeks and their mothers Caregivers who have at least one smartphone or/and laptop or/and Ipad Mothers and their babies who accept to register to the study  Exclusion Criteria:  The infants who have a severe pathological sign in cranial screening The infants who had IVH The infants who have congenital abnormalities The infants who have a metabolic or genetic diagnosis The infants who have hearing or visual impairment The mothers who had chronic depression history and/or mental retardation The mothers who have a neurological or orthopedic diagnosis to the contraindication of exercise The mothers who are pregnant