Gross Motor milestones ◆ Mean value ■ Limit value Turn from supine Turn from prone Sit with Sit without Walk with to prone position to supine position support support Crawl Stand aloneGross Motor Milestones -2 0 2 4 6 8 10 12 14 Head control Turn from supine to prone position Turn from prone to supine position Sit with support Sit without support Crawl Stand alone Walk with support months