. In response to the "fright", the newborn brings his head back, spreads his arms and extends his legs, then returns to close them in a recollected position, making a movement similar to a hug. Normally, the newborn loses the Moro reflex by the sixth month of life.Second phase: a clinging reaction occurs, that is, a slow flexion of the upper limbs on the trunk, with the closing of the hands in fists.
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and hyperextension of the fingers for 1-2 seconds. In the first month of life, extension of the spine can be added to the posture of the arms, with extension and abduction of the lower limbs.
