BIOENERGETICS

Question 1

Physical activity

Answer 1

Any movement produced by muscle contractions, which result in an elevated energy expenditure above the basal metabolic rate. -> any movement or activity that will raise metabolic activity above basal conditions (above rest conditions)

Question 2

Exercise

Answer 2

structured physical activity executed on a regular basis with the objective to improve fitness and/or performance.

Question 3

Energy

Answer 3

The capacity to do work

Question 4

Bioenergetics

Answer 4

The science that involves studies of energetic events in the biological world.

Question 5

Thermodynamics

Answer 5

the physical science dealing with energy exchange

Question 6

TWO main las of thermodynamics

Answer 6

(1) Energy can neither be CREATED nor DESTROYED; (2) Whenever the energy is exchanged, the efficiency of the exchange will be imperfect and some energy will escape, usually in the form of heat.

Question 7

What is our main source of energy?

Answer 7

FOOD (lipids, carbs and proteins maybe

Question 8

How efficient are we? how much kilocalories coming from food will actually be converted to movement?

Answer 8

It varies from person to person; in the best case scenario 25/100 kilocalories will be used for movement. Therefore, in the BEST CASE SCENARIO there is 25% efficiency.