CD Module B Acvtivity 1 milestones for 8-11 years old

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CD Module B Acvtivity 1 milestones for 8-11 years old

Around this age children become less top heavy and more proportional, so their balance improves as do their motor skills as their muscles begin to grow. Their running speeds increase, they increase their athletic abilities and stamina, and their hand-eye coordination and accuracy improves. Around this age level 60 percent of boys and 40 percent of girls participate in organized sports (Berk p. 177). Girls show better precision and balance skills than boys. But because boys are stronger and have longer arms than girls they show better agility in motor skills. Girls are better at skipping and hopping based on their good foot movement.

Growth and weight gain slows down, typically each year a child will grow only 2-3 inches and gain about 5 pounds. Girls hit a growth spurt faster than boys, typically at 10 or 11. Boys growth spurt doesn't hit until about 12-14 years of age. From 8 to 11 years of age children follow a proximodistal trend, meaning they grow from the center of their body outward. In other words, their head, chest, and trunk will grow and their arms, legs, hands, and feet will follow growth after (Berk p. 173).

Physical DevelopmentFrom Ages 8-11

Change in Body Size/Proportion

Gross Motor Skills

Change in Muscle and Fat

Brain Development

During this age group spacial development increases, the areas in the brain (right hemisphere) meant for this actually have a spurt in growth. During this time from 8-11 synapses are being formed and pruned but its on the downward slope. Meaning it is beginning to slow down from before. From 8 to 9 years of age production and migration of neurons are coming to an end.The book describes the brain as being more plastic during younger ages. Meaning the older the child gets the harder it is for them to learn new material. Reticular formation is a piece of the brain stem that maintains alertness and consciousness, and generates synapses and myelinates throughout this age group.

Around age 8 girls begin to store more body fat, particularly in the arms, legs, and trunk. Boys however are different, their amount of fat in their legs, arms, and trunks will decrease throughout adolescents. Because muscle and fat build up is so prevalent during this age group we need to be sure to keep the students motivated to eat healthier and be more active outside and inside the school building.

Puberty and Hormonal Changes

Growth hormone is an important hormone through a child's entire life. This hormone is mostly responsible for rapid body size growth and it also doubles in the body during puberty. It is also a vital hormone for the growth of bones. When lacking this hormone children average a peak height of 4 feet and 4 inches. Thyroxin is an important hormone for brain development and growth hormones as well. children lacking this may fall behind academically and physically. On average the age of 10 is an important time in puberty for girls. At this age their breasts begin to bud, the growth spurt begins, and their pubic hairs begin to show. And at the age of 11 are the average ages for girls to have their peak strength and height spurt. from the age of 8 to 11 though girls are at the very beginning stages of puberty and the entirety of puberty can last until they are 16 years of age. Boys however can start puberty as early as 9.5 to 13.5 years of age. The beginning stage of puberty for them is that their testes enlarge and the average age for this to occur is at the age of 11. Although puberty for boys may start earlier it can last until they are 18 years old.



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