Human Growth and Development / Unit 3 HGD 0328 short lesson, about 20 seconds
Walking
Captions available
The idea
The average age of walking is twelve months, within a normal range of about eight to seventeen or eighteen months.
In practice
One infant walking at nine months and a healthy cousin not until seventeen.
Where people slip
The sequence toward walking follows the cephalocaudal and proximodistal patterns; the timing varies widely and is not in itself a warning.
Your place on the trail
Every lesson rests on earlier ones and opens later ones. Tap any to jump.
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