A child learning how to master a new gross motor development skill, like walking or going to daycare or preschool for the first time, is not any different. (lullabyearth.com)
Once baby gets the hang of rolling over and her neck muscles are strong enough to lift her head, both important motor development skills, she'll soon be sitting up — first with a hand from you, then unassisted. (whattoexpect.com)
The report by Columbia's Center for Children's Environmental Health, released in October after a six - year study, showed that pollution from a coal - fired power plant in the central Chinese city of Chongqing affected the birth weight, height and motor development skills of babies born nearby. (treehugger.com)