Kin4512_Chapter_15

Kin4512_Chapter_15 - Movement In A in Adulthood...

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Click to edit Master subtitle style Movement in Adulthood Chapter 16 Movement In Adulthood Chapter 15
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We are an aging population and we need to ensure that older adults have every possible chance of maintaining a high quality of life
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Introduction Recall that ageism is the negative view many people have concerning advancing age, particularly for the elderly We are an aging population By 2030, an estimated 26% of the population will be age 65 yr and older The over-65 year old group is the only group to have shown a consistent increase in numbers in the 20th century
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Introduction We are an aging population It is estimated, that there will be 800,000 centenarians by 2050 Today, 4/5 of all centenarians are women There is a need to advance knowledge concerning adulthood in order to reduce the older adult’s dependence on society and the financial drain that may result
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Elderly Population Increase 0 10 20 30 40 50 60 70 1980 2000 2040 women65+ men65+ all65+ women85+ men85+ all85+ Millions of Americans
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Aging Population As the number of older adults increases, so to does the incidence of falls and the related injuries. Approximately 1/3 of all individuals over the age of 65 experience at least one unintentional fall each year. The long-terms effects of falling are the leading cause of death in the elderly (unintentional injury)
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Clinical Outcomes Hospitalization for hip fracture is increasing at a rate of 9% per year 50% of hip fractures result in non-functional walking (disability)
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Balance and Postural Sway The incidence of falls increases with age Balance is studied to determine its role in the etiology of falling The process of automatic control with balance that develops during childhood reverses in late adulthood Balance becomes more of a conscience effort
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What is Balance? The ability to control and maintain the Center of Gravity over the base of support. Although our theoretical limit of stability does not change, our functional region of stability decreases with age What are the implications of this decreased region?
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Sensory Systems Responsible for Balance Visual System Somatosensory System Vestibular System What sensory systems are used to maintain balance?
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Balance Vision vision becomes more important for balance; greater reliance on vision loss of depth perception loss of peripheral vision greater reliance on peripheral vision loss of contrast sensitivity 300% greater contrast sensitivity needed for low frequency light.
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Vestibular System (Inner ear) Otholiths, semicircular canals by age 40 a significant number of vestibular neurons are lost by age 70 about 40% of neurons are lost. This adds to balance problems and the
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This note was uploaded on 11/18/2010 for the course KIN 4512 taught by Professor Reeve during the Fall '09 term at LSU.

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Kin4512_Chapter_15 - Movement In A in Adulthood...

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