The science of exercise

Question 1

WOmen are more prone to decreased (Blank) and excercise helps with this

Answer 1

bone density

Question 2

Women reach their peak bone mass at (blank) while mean reach theirs at (blank). What kind of exercise will help make your bone stronger?

Answer 2

18
20
weight bearing exercise (so everything except for cycling and swimming)

Question 3

By age (blank) your bones are fully dense and then will decrease from this point on

Answer 3

30

Question 4

From age 30 to late 80s, low physical activity levels were responsible for higher levels of (Blank) than any other risk factor

Answer 4

Heart disease

Question 5

How does exercise help children?

Answer 5

control weight
reduce blood pressure
raising HDL cholesterol
reduce risk of diabetes and cancer
improved psych wel-being
gain self confidence
helps with test score

Question 6

THe loss of strength and stamina attribute to aginig is in part caused by reduced (blank)

Answer 6

physical activity (cuz we los lung capacity and oxygen uptake and physical activity combats this)

Question 7

WHat does exercise do to the elderly?

Answer 7

increase mental capacity
prevent disease
improve healing
increase balance
increase life expectancy

Question 8

How much should kids (6 and up) exercise?

Answer 8

1 hour per day of moderate to vigorous activity

Question 9

How much should adults exercise?

Answer 9

2 hours and 30 minutes (150 minutes) of moderate-intensity of aerobic activit (ie brisk walking) every week AND musce strengthening activities on 2 or more days a week that work all major musce groups (legs, hips, back, abdomen chest shoulds, and arms) OR 1 hour and 15 minutes (75 minutes) of vigorous intestity aerobic activity (jogging or running every week AND muscle strenghting activities on2 or more day sa week taht work all major muscle groups.

Question 10

WHat is MET?

Answer 10

a metabolic equivalent of task-> is a physiological measure expressing the energy cost of physical activities and is defined as the ratio of metabolic rate (and therefore the rate of energy consumption) during a specific physical activity to a reference metabolic rate

Question 11

If you do a certain amount of exercise, what shoud you do once your pregnant

Answer 11

maintian your exercise level or if you are a sloth slowly increase your exercise level (but avoid at risk exercise)

Question 12

WIthin the 1st second of exercise what is happening?
6 seconds?
2-4 min?

Answer 12

Stored ATP and creatine are bing used

• glycolysis
• aerobic resp.

Question 13

Brain cells will grow and become calmer in response to (blank)

Answer 13

exercise!

Question 14

What kind of resp is associated with fast twitch?

Answer 14

anaerobic

Question 15

In exercise what happens to your body?

Answer 15

sympathetic is kicked in
increased CO
increased skeletal blood flow

Question 16

When you start kicking butt at exercising what happens?

Answer 16

you produce less lactic acid and then you ventilate less. -> can be a hinderance

Question 17

Memory and learning improve with excercise due to better (blank) activity

Answer 17

hippocampal