Strength Training And Conditioning Final

Front 1

What cross bridges attatch during muscle action?

Back 1

Actin

Front 2

What substance regulates muscle action?

Back 2

Calcium

Front 3

What substance acts at the neuromuscular junction to excite the muscle fibers of a motor unit?

Back 3

Acetylcholine

Front 4

What type of fiber is a marathon runner?

Back 4

Type I

Front 5

What structure detects and responds to the stretch of a basball player throwing by reflexively increasing muscle activity?

Back 5

Muscle Spindle

Front 6

Where is the hearts impulse initiated?

Back 6

SA Node

Front 7

Which occurs during the QRS complex of a typical ECG?

Back 7

Repolarization of the atrium, and depolarization of the ventricle

Front 8

What is the ultimate source of energy for muscular contraction?

Back 8

ATP

Front 9

What substance can be metabolized anaerobically?

Back 9

Protein

Front 10

The predominant energy system used during a training session depends primarily on what?

Back 10

Session duration

Front 11

The production of lactic acid results from the activation of which energy system?

Back 11

Fast glycolysis

Front 12

Which of the following energy systems has the highest rate of energy production?

Back 12

Phosphagen

Front 13

How many ATP are produced via the oxidative energy system from the degradion of one glucose molecule?

Back 13

38

Front 14

What energy system is perdominantly active at the initiation of all exercise?

Back 14

Phosphagen

Front 15

What enzyme catalyzes the rate limiting stop of glycolysis?

Back 15

PFK

Front 16

Acute hormonal secretions provide what?

Back 16

amount and type of physiological stress, metabolic demands of exercise

Front 17

What hormones enhance muscle tissue growth?

Back 17

Growth hormone and IGF-I

Front 18

What are functions of growth?

Back 18

Increase lipolysis, increase amino acid transport, decrease glucose utilization

Front 19

What hormone has the greatest influence on neural changes?

Back 19

Testosterone

Front 20

What hormone has higher levels in women than men?

Back 20

Growth hormone

Front 21

What type of joint is the knee?

Back 21

Synovial

Front 22

What is the equation of power?

Back 22

Force X velocity

Front 23

Olympic weight lifters

Back 23

Remeber 2/3

Front 24

During free weight exercise muscle force varies from what?

Back 24

Perpendicular distance from the weight, movement acceleration

Front 25

A vertical jump involves knee, hip, and shoulder movement primarily in which of the following anatomical places?

Back 25

Sagittal

Front 26

An athlete is performing a concentric isokinetic elbow flexion and extension exercise. What levers are involved?

Back 26

First and Third Class

Front 27

What muscle fiber when trained a certain way can change to a more aerobic oxidative form?

Back 27

Type IIx

Front 28

What workout do you do to prevent osteoporosis?

Back 28

Front Squat

Front 29

What muscle fiber types are bypassed as a result of selective recruitment for an olympic weightlifter?

Back 29

I

Front 30

Which are the most effective stimulants of growth hormone production from a resistance training workout?

Back 30

Large muscle mass exercises, and High intensity and volume

Front 31

A initial decrease in muscle strength is caused my what system?

Back 31

Nervous

Front 32

What occurs in a runner preparing for a run?

Back 32

Hypertrophy of Type I Fibers

Front 33

What is stroke volume?

Back 33

amount of muscle ejected from the left ventricle during each beat

Front 34

What increases during aerobic exercise?

Back 34

end diastolic volume, cardiac contractility, cardiac output

Front 35

The mean arterial pressure is defined as the what?

Back 35

Average blood pressure throughout the cardiac cycle

Front 36

Training of an elite aerobically trained athlete include what?

Back 36

Increased maimal oxygen uptake and running economy, and decreased blood lactate concentration

Front 37

What is an early adaptation to acclimatizing to high altitude?

Back 37

Increased resting cardiac output