Final answer:
The CDC's developmental milestones update shows that crawling usually occurs after sitting and before walking. The development timeline may vary, but the sequence of motor skill milestones typically follows a universal pattern.
Step-by-step explanation:
The newest CDC update on developmental milestones indicates that crawling is a skill that typically develops after a child is able to sit but before they are able to walk. Crawling is not only a significant motor skill but also a precursor to other developmental milestones in infant growth. While the precise timing of when a child begins to crawl can vary, most children develop the ability to crawl during their first year of life. This progression in motor skills is crucial, as children first learn to hold their heads up, then progress to sitting with assistance, sitting unassisted, and eventually begin to crawl and later walk.
It's important to note that while crawling is a common developmental milestone, it does not occur uniformly in all children and can be influenced by cultural practices and child-rearing methods. However, the CDC does emphasize the sequence of motor skill development as a universal pattern that most children follow, with variations in timing.