Motor Development

Question 1

What are the main motor milestones in infancy?

Answer 1

Lifting head-> 1st month
Sitting without support-> 5-8 months
Stand with support->5-10 months
Stand alone-> 10-14 months
Walk alone-> 11-14 months

Question 2

Why is crawling not a milestones?

Answer 2

Not universal (usually between 7-8 months)
–>healthy baby never crawls

Question 3

Why does a baby might skip crawling?

Answer 3

Not enough opportunities
Hypersensitivity to floor
Upper body weakness

Question 4

What are the different factors responsible for motor development in infants?

Answer 4

Brain maturation
Perceptual skills
Motivation
Balance and posture control
physical strength
Change in body proportion and weight

Question 5

Explain the role of weight change in motor development?

Answer 5

The stepping reflex disappear at 2 months and reappears at 7-12 months
->disappear because body weight increases faster than leg muscles

Question 6

What does reaching lead to for an infant?

Answer 6

-language development
-3D perception
-Understand and predict actions of others

Question 7

What does self-locomotion lead to for an infant?

Answer 7

-development of language
-expansion of the visual world
-perception of slope

Question 8

What is scale errors?

Answer 8

Attempt to perform an action on a miniature object that is impossible due to the huge difference in size between the child and the object

Question 9

When does scale error disappear?

Answer 9

Around 2yo