Page 157 - 86 human physiology part-2

Chapter 19

This is a
This cause the foot to protection for
Stick sole of foot withdraw, this occurs the infant in a
Withdrawal with stimulus like a with the use of Decreases after the instance of
10th day of birth
pin flexing of the knee to unpleasant
hip tactile
stimulation

3 weeks (due to the
The infants head will voluntary response This reflex helps
Touch cheek near the
Rooting turn towards the site that is now capable baby to find the
corner of the mouth
of stimulation for infant to do at this mothers nipple
time)

4 months (voluntary
Place fingers in The infant will suck This helps with
Sucking sucking will come
infant's mouth finger rhythmically feeding
about)
The baby paddles This helps baby
Place the baby in
Swimming pool of water face and kicks in 4 to 6 month to survive if
dropped into the
swimming
down
movements water
Hold infant in a The baby will make a
cradling horizontal embracing motion In the
potion and slightly and arch its back evolutionary
lower the baby in a extending its legs past this may
Moro 6 months
fast motion toward throwing its arms have helped the
the ground while outward, and finally baby cling to the
making a loud sound it will bring arms in mother
supporting the baby toward its body

This prepares
Place the finger in
Palmar baby's palm and The baby will 3 to 4 months infant for when
immediately grasp
voluntary
grasp press against the
palm the finger grasping comes
about
This will cause the
baby to extend one This may
Turn the baby's head
Tonic neck to one side while the are in front of its eye 4 months prepare for
voluntary
on one are on the
baby is awake
side to which the reaching
head has been turned
2 months (this applies
When you hold the to a baby who has This prepares
baby under the arm The baby will lift one
Stepping/m and permit the bare foot after the other in gained weight a baby the baby for
arching who is not as heavy voluntary
feet of the baby to a stepping fashion this reflex may be walking
touch a flat surface
submissive)

372 | Human Physiology