The ten months is an age where the muscles of your body are strengthening, wanting to be standing for a few moments, will be taken from the railings of the crib, the wall, etc., although it begins to walk within the year towards 15 months, you can move with short steps still not very firm, with the help of your caregivers.
This activity is of great importance as a means before the march, as while holding it is strengthening the muscles