The mnemonic
Hold, Roll, Sit, Crawl, Stand, Walk
What each word stands for
- HoldHead holding, 3 months
- RollRolls over, 4 to 5 months
- SitSits without support, about 6 to 8 months
- CrawlCrawls, about 9 months
- StandStands alone, about 11 months
- WalkWalks alone, 12 to 15 months
Why it matters clinically
Gives the order of gross motor skills, useful for spotting delay.
Where it stops being reliable
Ages are approximate averages; it does not cover fine motor or language.
Teaching aid, still awaiting independent review. Confirm facts in a standard source.