Aging & Exercise Flashcards
elderly people are the blank segment of american society
fastest growing
elderly people are blank or older
85
life expectancy at birth has increased by more than blank since 1900
60%
percent of sedentary lifestyles
25
percent that does not engage in regular physical activity
60
percent of adults that engage in physical activity for 30 minutes at least 3 times per week
15
percent that engages in light to moderate physical activity regularly
22
highest strength levels are achieved during this age range
20-40
concentric strength of muscle groups decline slowly then more quickly after blank
middle age
blank strength declines at a later age than blank strength
eccentric, concentric
blank stregnth decreases more slowly than blank
arm, leg
a normal, continuous process that involves motor endplate repair and reconstruction, gradually deteriorates in old age
motor unit remodeling
denervation of muscles with age causes blank
muscle atrophy
muscle fibers most affected by denervation from aging
type 2
increase in the number of blank fibers with aging
type 1