Dr. Bernhard Hassenstein has described the human infant as supporting Ling. As well as baby monkey - - (Ref. Hassenstein, Kirkilionis 1992) In fact, human newborns have the clamp reflex (Moro reflex) while falling, and the grasp reflex (Palmar reflex). If one a newborn baby on her back and lifts it high, it will instinctively the spread-squat position, with which it may be close to the body of the parents. Biologists are people so even with the active support Lingen, although children of men are unable to hold its own power on the mother's body and therefore as passive structural pieces must be borne by the parents.

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