Photo: istock
Muscle development starts with the head and neck, and moves down the torso, through the legs to the feet. As your baby?s neck muscles become strong enough to hold up her head, she?ll try to roll over and then sit up. From there, she?s ready to start cruising along furniture and, eventually, walk. What can take mere minutes in the animal kingdom?a foal often stands within an hour of being born?can require between 10 and 14 months (or longer) to develop in humans.
Crawling (six to eight months) and walking or cruising with help (nine to 12 months)

While many babies start crawling or scooting around the six-month mark, some kids will often sidestep that stage altogether and head straight to walking. That?s not to say that if your baby skips a step she?s missing out. ?Some kids don?t crawl. They ?bum shuffle? or roll and then go to walking,? says Asha Nair, an Ottawa developmental paediatrician. As long as they?re moving forward and building on the last skill, all is good, says Minhas. ?That?s just part of who they are?they still manage to do the milestones that come after.?
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Your doctor will look for red flags, such as muscle stiffness or general floppiness, which may indicate conditions...