"Crawling fours" is a phrase used to describe the act of moving on your hands and knees. It is a common position for infants and toddlers as they learn to crawl, but adults may also use it for tasks requiring mobility close to the ground. There are several synonyms for "crawling fours" that can be used interchangeably in conversation or writing. These include "crawling on hands and knees," "creeping," "slithering," "slinking," "scrambling," and "skittering." The choice of synonym may depend on the context or intended tone, such as "creeping" being more ominous than "scrambling." Regardless of which term is used, "crawling fours" or its synonyms signify movement with a low center of gravity.