My father and the owner tried to tempt me with the full - breed Newfoundlands, scooping up the silky black sacks of fur and pressing their big heavy heads against my cheek. (bookbrowse.com)
C1 — C2 and other upper - neck dislocations most commonly occur in very young children, whose relatively heavy heads are not strongly stabilized by their extra-flexible ligaments. (scientificamerican.com)
It's talk about babies and their proportionally heavy heads and the danger to head, neck, and spine. (carseat.se)