The present study compared the age of achievement of 10 early gross motor milestones (lift head, roll back to belly, sit without support, crawl on hands and knees, stand with assistance, stand without support, walk with assistance, walk without support, climb stairs, and walk up/downstairs without support) of 111 school-age individuals diagnosed…

Children with autism exhibit a host of motor disorders including poor coordination, poor tool use and delayed learning of complex motor skills like riding a tricycle. Theory suggests that one of the crucial steps in motor learning is the ability to form internal models: to predict the sensory consequences of motor commands and learn from errors to…