FINAL- Week 3 Part 2 Flashcards
When do infants display a smoother, more efficient movement when reaching with their right arm than left. May contribute to right handed bias by the end of the first year
6 months
90% of the pop- language is housed in the left hemisphere with hand control
Right handed or left handed?
Right handed
10% language is occasionally located in the right hemisphere
Right handed or left handed?
Left handed
Do right-handlers or left-handers tend to be less strongly lateralized?
Left handers
Do right-handers or left-handers have a slight advantage in speed and flexibility of thinking and develop outstanding verbal and mathematical talents?
Left handed
How old are babies when they begin to move both hands together (ex: clapping)?
4 mos
When does one hand assist the other?
1 years old
What happens between 3-5 years old?
One hand stabilizes an object, while the other acts upon it but not consistent in hand roles
Hand preference
Hand dominance- by the time they’re school aged
Double hand grasping:
Symmetrical movement, reciprocal movement or asymmetrical bilateral coordination?
Symmetrical movement
Both sides of the body working together (ex: running, climbing, crawling):
Symmetrical movement, reciprocal movement or asymmetrical bilateral coordination?
Reciprocal movement
Both sides of the body working together doing different things (kicking a ball, using scissors):
Symmetrical movement, reciprocal movement or asymmetrical bilateral coordination?
Asymmetrical bilateral coordination
When does preschoolers gait become smooth and rhythmic- secure enough to leave the ground?
2 years old
How old can a child simultaneously steer and pedal a tricycle?
5 and 6 years old
True or false:
A child may exhibit “growing pains”- stiffness and aches in legs in middle childhood
True
True or false:
Play experiences contribute greatly to emotional and social dev
True
What percent of children in NYS are overweight or obese?
33%
What percent of children 6-11 don’t meet the 1hr of recommended daily physical activity?
58%
How many hours do youth spend everyday on social media?
7.5 hrs
What percent of 2nd graders and 3rd graders never had recess?
2nd graders- 7%
3rd graders- 8%
What percentage of high schools do not have a PE program?
68%
How old are you in early adolescence?
11-14 years old
How old are you in middle adolescence?
14-17 years old
How old are you in late adolescence?
18-21 years old
True or false:
Girls on average reach puberty 1 year before boys?
False
2 years before boys
What is testosterone?
Androgen released in large quantities leads boys to grow muscle, body, facial hair etc
What is estrogen?
Dev of girls breast, uterus, and vagina
Female proportions, accumulation of fat and beginning of menstrual cycle
What are some puberty changes in boys?
Body size generally completed by 17 1/2
Broadening shoulders
Less fat in arms and legs
Larger skeletal muscles, heart and lung capacity
Spurt in strength, speed, endurance
Enlargement of testes and penis
1st signs of puberty- genital, and armpit hair
Voice deepens
What are some puberty changes in girls?
Growth spurt complete at 16
Broadening of hips
Age 8- more fat in arms, legs and trunk
Gross motor dev- slow and gradual leveling off at 14
Dev of breast- 1st sign of puberty
Pubic and armpit hair
1st period around 12 years old in North American girls
What contribute to timing of puberty?
Heredity
Nutrition and exercise
Physical health
Secular trend generational change in puberty timing
What is a rite of passage?
Community wide event that mark changes in privilege and responsibility
