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Parenting & Child Development
4.01 Understand physical development and care of the infant.
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Infants Physical development includes growth in size and weight, as well as the increasing ability to control and coordinate body movements. Never in a person’s lifetime will there be more rapid growth and physical changes than during infancy.
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Patterns of physical development
Vision Head to foot – babies develop control of head and neck muscles first, then control of muscles move down baby and end with control of legs and feet Near to far – development begins at the trunk of the body and moves outward to hands and feet Simple to complex – large muscle development takes place first leading to more fine muscle and complex abilities later
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Categories of growth and development during the first year
Weight gain is one of the best signs of good health Most babies lose about 10 percent of their birth weight in the first five days of life Afterward, they gain weight rapidly Gain 1 to 2 pounds per month in the first six months Gain 1 pound per month in the next six months Average weight of a one-year-old is 20 to 22 pounds
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Categories of growth and development during the first year
Length instead of height because they are measured lying down Average baby is 20 inches long at birth Boys are slightly longer than girls Average baby at one year is 30 inches long
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Categories of growth and development during the first year
Body shape category Hold themselves in a tightly secured position with fists clenched Skinny arms and legs, large abdomen Navel cord usually falls off in three weeks Body straightens out during the first six months
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Categories of growth and development during the first year
Proportion Proportion relates to the size relationship between different parts of the body Baby’s head and abdomen are large, and the legs and arms are short and small Skull has fontanels
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Categories of growth and development during the first year
Vision – improves rapidly during the first year Vision is blurry at birth but within a week or so, infant is aware of surroundings By one month, infant can focus on objects as faraway as 3 feet By six months, eyesight reaches the sharpness of adult vision Child sees two-dimensionally first and then develops depth perception
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Categories of growth and development during the first year
Hearing – develops before birth Can tell the direction of sound Language develops with hearing spoken words
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Categories of growth and development during the first year
Touch– baby relies on the touch of others to teach them about the environment Baby relies on touch for exploration Touch becomes a more important sense for learning as year progresses
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Categories of growth and development during the first year
Smell and taste– develop after birth Within ten days they can distinguish their mother from any other person by smell Two-week old babies can taste the difference between water, sour, sugar, and salt, and milk
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Categories of growth and development during the first year
Voice– shrill but softens as lungs mature Change in the voice results from physical growth of the throat muscles, tongue, lips, teeth, and vocal cords Change in tongue and in the shape and proportion of the inside of the mouth” during the first months of life leads to speech development
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Categories of growth and development during the first year
Motor skills – at birth babies have little control over their muscles Gross motor skills involve use of large muscles such as arms and legs Fine motor skills involve use of small muscles such as hands and fingers Touch becomes a more important sense for learning as year progresses Milestones of gross and fine motor skills occur
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Categories of growth and development during the first year
Reflexes– at birth babies have an automatic set of reflexes to help them survive Grasp: makes a fist over object placed in hand Rooting: when cheek is stroked, baby turns toward the side stroked with open mouth Startle: when baby’s position changes quickly or a loud noise occurs baby throws head back, arms out and arches back Babinski reflex occurs when baby’s foot is stroked and the toes fan out and foot twists in Sucking occurs when something is put in a baby’s mouth
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Influences on physical development
Heredity provides a unique combination of genes from parents. Eating foods that contain the essential nutrients the body needs to grow and develop is key to a child’s lifelong health. Staying healthy is closely related to eating well and having energy to be active. An important key to development is experiences. A stimulating environment in which the baby has a wide variety of things to see, taste, smell, hear, and touch enhances development
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Infant physical care Handling – head/neck support
Feeding – breastfeeding vs. bottle feeding, burping, introduction of solid foods and food allergies Teeth – teething and care Bathing – sponge bath and tub bath Dressing – comfort, climate appropriate Diapering – disposable and cloth diapers; changing steps Sleeping – routines and proper position Medical care – wellness checkups SIDS – Sudden Infant Death Syndrome
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