Studies of infant stepping behavior on a treadmill demonstrated that
a. the pattern of alternating of steps on each leg precedes the ability to walk.
b. even very young infants can walk without assistance.
c. infants cannot judge the speed of movement of a moving object (e.g., the treadmill).
d. infants will refuse to attempt to walk even if held upright.
Question 2The type of muscular control needed for gymnastics is called
a. labyrinthine motor skills.
b. systemic motor skills.
c. gross motor skills.
d. agility.
Question 3You would think that balance is something that, once learned, you will have mastered for your entire life. In fact, however, balance must be relearned for sitting, crawling, walking, and other postures. Why is this?
a. Because each posture develops independently of others, and thus there is no central balance skill that can be learned.
b. Because each posture involves a different part of the brain, and balance must be coordinated with each of those brain areas.
c. Because balance involves gross motor skills, and different postures are typically fine motor skills.
d. Because the body rotates around different points and different muscles must be used for each posture.
Question 4By age 7, most children are capable of all but which of the following gross motor skills?
a. Hopping
b. Jumping
c. Climbing
d. Walking on a balance beam without falling
Question 5According to ____ systems theory, learning to walk involves many distinct skills that are organized and reorganized over time to meet specific goals.
a. teratogenic
b. dynamic
c. fluid
d. static
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