The following are health and medical definitions of terms that appear in the Lung Cancer article. Abdomen: The belly, that part of the body that contains all of the structures between the... See the entire definition of Abdomen. Abdominal: Relating to the abdomen, the belly, that part of the body that contains all of ...
Head and neck muscles are the first to come under a baby's control. Muscle control moves downward, toward the feet. Babies typically roll from tummy to back first beginning at around 4 months of age and then back to tummy around 6 months of age, according to the A.I. DuPont Hospital for Children.
Roll, Baby, Roll! Rolling around isn't the most effective means of locomotion, but it's certainly lots of fun for your baby, who up to this point has had to make do with waiting for you to get him where he wants to go. Most babies rock and roll from their stomach to their back between 4 and 7 months.