Sports Physiology

Question 1

Slow Twitch Muscle Fiber

Answer 1

Type 1

Question 2

Where does Estrogen increases the deposition of Fat to?

Answer 2

Breast, Hips and Subcutaneous Tissue

Question 3

At time of exhaustion, how many percent of energy is derived from fats rather than carbs

Answer 3

60-85%

Question 4

What Energy system is used for 1500 meter skating

Answer 4

Glycogen Lactic Acid System and Aerobic Systems

Question 5

Lactic acid oxygen amounts to

Answer 5

about 8 liters

Question 6

This energy system uses the oxidation of foodstuffs in the Mitochondria to provide energy

Answer 6

Aerobic Sytem

Question 7

This energy system is used by the muscle for prolonged athletic activity

Answer 7

Aerobic System

Question 8

It has a powerful anabolic effect in causing greatly increased deposition of protein in the body especially in the muscles

Answer 8

Testosterone

Question 9

Muscle Power is measured in

Answer 9

Kilogram meters (Kg-m) per minute

Question 10

Power is determined by

Answer 10

Strength of Muscle Contraction, Distance of Contraction and Number of times it contracts each minute

Question 11

The Strength of the muscle in determined by its

Answer 11

Size, with a maximal contractile force between 3 and 4 kg/cm

Question 12

What is the source of energy actually used to cause muscle contraction?

Answer 12

Adenosine Triphosphate (ATP)

Question 13

What are the Muscle Metabolic Systems in Exercise

Answer 13

Phosphocreatine-creatine system
Glycogen-Lactic System
Aerobic System

Question 14

What Energy system is used for 100 meter dash

Answer 14

Phosphagen Entirely

Question 15

Changes that occur inside Hypertrophied muscle fibers

Answer 15

Increase number of myofibrils
120% increase in mitochondrial enzymes
60-80% increase in components of phosphagen metabolic sytem
50% increase in glycogen
75-100% increase in triglyceride

Question 16

Endurance is enhanced by

Answer 16

a high carbohydrate diet

Question 17

Normal O2 consumption for untrained average male

Answer 17

3600ml/min

Question 18

Normal O2 consumption for young man at rest

Answer 18

250ml/min

Question 19

How many calories are released after the the removal of the 1st phosphate in the phosphate bond

Answer 19

7300 Calories

Question 20

The Power of the muscle is determined by

Answer 20

Distance of Contraction and the number of times that it contracts each minute

Question 21

Normal O2 consumption for Male Marathon Runner

Answer 21

5100ml/min

Question 22

This energy system is used by the muscle for power surges

Answer 22

Phosphagen System

Question 23

Special characteristic of energy transfer from phosphocreatine to ATP

Answer 23

Occurs within a small fraction of a second making all the energy stored in the muscle Phosphocreatine is almost instantaneously available for muscle contraction

Question 24

Removal of lactic acid is achieved in two ways

Answer 24

A small portion of it is converted back into pyruvic acid and then metabolized oxidatively by the body tissues

Remaining lactic acid is reconverted into glucose mainly in the liver

Question 25

It depends on the amount of Glycogen that has been stored into the muscle before the period of exercise

Answer 25

Endurance

Question 26

Alacticid oxygen debt amounts to

Answer 26

3.5 liters

Question 27

This energy system is used for Maximal Short Bursts of Muscle power

Answer 27

Phosphagen Energy System

Question 28

Measure of the rate at which oxygen can diffuse from the pulmonary alveoli into the blood

Answer 28

Oxygen diffusing capacity

Question 29

What Energy system is used for 200 meter dash

Answer 29

Phosphagen and Glycogen Lactic Acid System

Question 30

What is the Average body fat composition of a nonathletic female?

Answer 30

27%

Question 31

Maximal Power achieved by all the muscles in the body of a highly trained athlete in the next 1 minute is

Answer 31

4000 Kg-m/min

Question 32

Normal O2 consumption for athletically trained average male

Answer 32

4000ml/min

Question 33

It provides 1.3 to 1.6 minutes of maximal muscle activity at reduced muscle power

Answer 33

Glycogen-Lactic Acid System

Question 34

When taken a high fat diet how many minutes till exhaustion

Answer 34

85 mins Amount of Glycogen stored: 6 g/kg Muscle

Question 35

How many calories are released after the the removal of the 2nd phosphate in the phosphate bond

Answer 35

14,600 Calories

Question 36

Fast Glycolytic Muscle Fiber

Answer 36

Type 2B

Question 37

What Energy system is used for 400 meter dash

Answer 37

Glycogen Lactic Acid System mainly

Question 38

It can easily provide enough energy to reconstitute the high energy bond of ATP

Answer 38

Phosphocreatine

Question 39

When taken a high carb diet how many minutes till exhaustion

Answer 39

240 mins Amount of Glycogen stored: 40 g/kg Muscle

Question 40

Results from increased diameter of the muscle fibers

Answer 40

Hypertrophy

Question 41

Most Energy is derived from _________ during the first few seconds or minutes of exercise

Answer 41

Carbohydrates

Question 42

Removal of excess lactic acid is especially important because

Answer 42

lactic acid causes extreme fatigue

Question 43

What female sex hormone accounts for the difference between female and male performance?

Answer 43

Estrogen

Question 44

What do you call the combined amounts of ATP and cell phosphocreatine

Answer 44

Phosphagen energy system

Question 45

How many Moles of ATP/Min in Glycogen Lactic Acid System

Answer 45

2.5

Question 46

What Energy system is used for Jogging

Answer 46

Aerobic System

Question 47

How many Moles of ATP/Min in Aerobic System

Answer 47

1

Question 48

How many Moles of ATP/Min in Phosphagen System

Answer 48

4

Question 49

Maximal Power achieved by all the muscles in the body of a highly trained athlete in the next 30 minutes is

Answer 49

1700 Kg-m/min

Question 50

What Energy system is used for 800 meter dash

Answer 50

Glycogen Lactic Acid System and Aerobic Systems

Question 51

Formula for Muscle Mechanical Work

Answer 51

Force applied by the muscle x Distance Force is applied

Question 52

The holding strength of the muscle is about

Answer 52

40% greater than contractile strength

Question 53

This energy system forms considerable amounts of ATP without the use of oxygen

Answer 53

Glycogen-Lactic Acid System

Question 54

How many calories are released after the the removal of the 3rd phosphate in the phosphate bond

Answer 54

21,900 Calories

Question 55

Fast Oxidative Muscle Fiber

Answer 55

Type 2A

Question 56

Maximal Power achieved by all the muscles in the body of a highly trained athlete in the First 8-10 seconds is

Answer 56

7000 Kg-m/min

Question 57

How many liters of oxygen must be consumed to reconstitute both the phosphagen system and lactic acid system

Answer 57

9

Question 58

What are the energy nutrients of choice for intense muscle activity

Answer 58

Muscle Glycogen and Blood Glucose

Question 59

What is the effect of increased oxygen consumption in cardiac output

Answer 59

it dilates muscle blood levels increasing venous return and cardiac output

Question 60

What is the Average body fat composition of a nonathletic male?

Answer 60

15%

Question 61

When taken a mixed diet how many minutes till exhaustion

Answer 61

120 mins Amount of Glycogen stored: 20 g/Kg muscle