Chapter 16 Textbook notes

Chapter 16 Textbook notes - Chapter 16- Lifelong Fitness...

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Chapter 16- Lifelong Fitness and Wellness Establishing positive wellness habits while you are young (and maintaining them as you get older) can go a long way toward increasing you chances of ‘aging gracefully” A fit-and-well lifestyle - one that integrates exercise, nutrition, stress reduction, and health maintenance into daily life I. What Happens as we age? During their 20s and 30s, most people reach their physical peaks for strength, sensory activity, reaction time, and cardiovascular functioning As people get older, their bodies experience aging Aging - a progressive decline in the maximum functional level of individual cells, whole organs, and entire organisms A. Theories of Aging 1. Wear and tear theory The idea that over time, an accumulation of damage from internal processes and environmental stress eventually wears the body out 2. Cellular theory Idea that from birth, our cells are genetically programmed to divide or reproduce a limited amount of times Once these cells reach the end of their reproductive cycle, they die, and the organs they make up begin to deteriorate 3. Genetic mutation theory Proposes that the number of cells exhibiting unusual or different characteristics increases with age Proponents of this theory believe that aging is related to mutational damage within genes o Exterior signs of aging include: Wrinkles Baldness Gray hair Sensory deficits: farsightedness and hearing loss Neurological changes: slower reflexes and memory lapses
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Chapter 16- Lifelong Fitness and Wellness Hormonal changes: menopause, weight gain, and energy declines o Other common problems include mineral loss from bones that can lead to osteoporosis; decline in flexibility in tendons and joints B. Older Adults and Wellness Adults past the age of 65 tend to face the greatest wellness challenges The issues of health costs, Social Security, housing, transportation, and elder care are all challenges faced by older adults and by society as a whole Good news: it IS possible to stay fit as we get older Factor that correlated best with healthy aging-
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This note was uploaded on 02/05/2011 for the course KIN 2504 taught by Professor Stone during the Spring '08 term at LSU.

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Chapter 16 Textbook notes - Chapter 16- Lifelong Fitness...

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