aging in sport

decrease

what happens to performance with age?

decrease

what happens to age once you get older?

decrease body mass and appetite

what causes decreased body weight after 65?

increase

body fat content ____ with age

decrease physical activity and increase caloric apetite

what causes the increase in body fat content?

decrease

fat free mass _____ around 40 yrs.

sarcopenia

lack of activity with decrease in GH and IGF1

decrease

what happens to bone mineral content with age?

decrease

strength and nueromuscular function _____ with age

decrease muscle mass

what causes the decrease in strength?

resistance training

strength decrease can be offset with _______

type II

what kind of fibers are loss with age

increased

_____ % of type I in highly trained

decrease

reflex _____ with age

decrease

size and number of muscle fibers _____ with age

endurance training

little/no impact on decrease muscle mass with age

resistance training

training that decreases atrophy and increase muscle cross-sectional area

decrease

motor unit activation _____ with age

decreased

what happens to max HR?

decrease

max SV _____ with age

decrease contractility because decrease sensitivity to catecholamines

reason for decreased max SV

decrease

VO2 max _____ with age

heart rate

what causes the decrease in VO2max

decrease

peripheral blood flow _____ with age

increase vasoconstriction and decrease vasodilation

what cuases decreased peripheral blood flow

increased a-vO2 difference

what compensates for decreased blood flow?

decreased

vital capacity and FEV1 _____ with age

increase

residual volume _______ with age

decreased

decreased vital capacity and FEV1 + increased residual volume leads to _____ air exchange

decreased

_______ lung and chest wall elasticity with age

decreased

lactate threshold _____ with age

increased

______ strength with resistance training

hypertrophy and neural adaptation

improvements in strength are due to …

increases

resistance training ______ cross sectional area of type I and II fibers

increase

_____ muscle mass and bone mineral density occurs with RT

improves

VO2 max _____ with training

increased oxidative enzymes

what causes the improved VO2 max?

increased

_____ risk of hypothermia and hyperthermia

convection

skin vasodilation

evaporation

sweat rate

decreased

hypothermia occurs because ______ ability to generate metabolic heat

decreased

hypothermia occurs because ______ ability to vasoconstriction skin

increase

mild caloric restriction ______ longevity