Unit 2 Quizes

Question 1

A chemical messenger

Answer 1

hormone

Question 2

Muscle fibers produce IGF-I with neighboring fibers. Does not have to enter circulation

Answer 2

Paracrine

Question 3

Most hormones are vinnactive when attachced to _____ protiens which help prtect their homones

Answer 3

Binding

Question 4

T or F
Musce remodiling had damage to fibers, inflammatory response, hormonal interactions, and the synthesis and incorporations of new Protiens

Answer 4

True

Question 5

During the goodmorning, which is the primary occurs during the concenteric (up) portion?

Answer 5

Hip extension

Question 6

Chronically elevated hormone conetraition due to oevrwhelming or exoergonous drug use can cause –––– of hormone receptors

Answer 6

Down regulation

Question 7

Which hormone binds to membrane bound recpetors and work through secondary messenger systems since it cannot passivley dissuse across the cell membrane?

Answer 7

Polypetide hormone

Question 8

in the human body, all steriod hormones are syntheized from _ and therfore have a simliar structure.

Answer 8

cholsterol

Question 9

A hormone is shaped in a way where a specific receptor that accomodates that shape. This pheonomon is called

Answer 9

lock and key therory

Question 10

A —- hormone, which indludes hormes form the adrenal cortex and gonads, is a fat soluble and creates a hormone recepotor that binds with the gentic material in the nucleus of its target cell.

Answer 10

Steriods

Question 11

Name ONE endocrine gland in the male body that secretes testosterone:

Answer 11

Testes/overies and adrenal glands

Question 12

Which of the following exercise protocols would promote the greatest increase in serum testosterone concentrations?

1) 3 sets of back squats with 5-10 maximal repetitions

2) 1 set of back squats with 2-3 maximal repetitions

3) set of knee extensions with 2-3 maximal repetitions

4) 3 sets of knee extensions with 5-10 maximal repetitions

Answer 12

4) .
5-10 mins increases test.
higher intesnisty higher consentration

Question 13

T or F
According to the free testosterone hypothesis, approximately 98% of circulating testosterone is in its free form (i.e., not attached to SHBG).

Answer 13

F
- you don’t want 98% of free test. (only want 2%)

Question 14

Which of the following is not correct regarding the lat pulldown?

1) the exercise should be initiated by extending the lower back (lumbar extension)

2) the concentric (“down”) portion of the exercise includes shoulder adduction and scapular downward rotation

3) a common biomechanical error is pulling the bar behind the neck

4) in addition to targeting the latissimus dorsi, the exercise also works the trapezius and elbow flexors

Answer 14

Don’t want to use your back

Question 15

Is a lat pull down open or closed chained?

Answer 15

open-chain becuase hands (distal end) are freely moving and not fixed

Question 16

Hormone secreted by the adrenal Medulla

Answer 16

Ephinephrine; Norpine

Question 17

Peptide hormone relaseds un bursts from the antieor putirtay gland

Answer 17

Growth hormone

Question 18

What musculazing steriod hormone

Answer 18

testosterone (andergionzinf)

Question 19

Calhorine hormone also known as (Adrenaline)

Answer 19

epinephrine

Question 20

Primary hormone for cahbrohdrate metabolism breaks down protien

Answer 20

cortisol

Question 21

Acourine hormone produced by muscle fibers

Answer 21

Mechano Growth Factor

Question 22

hormone secreted from adrenal cortex

Answer 22

cortisol

Question 23

Hormone secreted form the adreanal gland due to the f=direct nervous system intervension

Answer 23

epinephrine

Question 24

an anoblic hormone sunthezied from cholestorol

Answer 24

testosterone

Question 25

A glucocortiold horme

Answer 25

cortisol

Question 26

___ Training is high intesnisty, internittetnt bout of exercise. Includes resistance, polymetric, and intervaks trainig

Answer 26

Anerobic Training

Question 27

What are 4 results of resistance trainig?

Answer 27

1. Muscular strength increases
2. Musclular fiber sixes increase
3. Liganebt and tendon strength increases
4. All energy stores increase

Question 28

Which type of adapation typically predominate in the first couple weeks of working out?
Nerual or Muscular

Answer 28

Neural

Question 29

What are the agonists of the bent over row?

Answer 29

Biceps Brachii;
Lats;
Posterior Delts;
Rhomboids;

Question 30

How do you initatiate the bent-over row?

Answer 30

lift should be initiated with scapulat retraction.

Question 31

During typical resistance training for an untrained individual the Type muscle fibers (low threshold) are rercuted —- the Type II muscle fibers (high threshold units)

Answer 31

Before

Question 32

What three adapations lead to an icreased neural drive (allowing for greater muscle force producution)

Answer 32

1. Enchanced agonist motor unit recruitment
2. Synchronised pattern of motor neron firing
3. Faster firing rate motor neurons

Question 33

In response to training, the body may inhinbit lower-threshold motor unit and, in their place activate teh higher-threshold motor units are critical to optimal speed and power performance. This phenomonon is known as

Answer 33

selective recruitment

Question 33

What are the agonists for the seated cable rowm except
1. Erector spinae
2. Brachialis
3. Traps
4. Rhomboids
5. Posterior Delts

Answer 33

Erector spinae

Question 34

Which is INCORRECT regarding the technique for. the seated cable row?
1. Scapulae should be fuly retracted
2. Lift should be initiated with scapulat retraction
3. HIp extension should be utilized to begin each lift
4. Handle can be hled with a closed, neutral grip

Answer 34

3. HIp extension should be utilized to begin each lift

Question 35

The motion occurring at the shoulder joint during the up (concentric) portion of the bench press exercise is horizontal adduction.

Answer 35

True

Question 36

When performing a dumbbell bench press, the weight should be lowered to the lateral chest, while keeping the wrists and elbows aligned.

Answer 36

true

Question 37

This variation of the bench press places more emphasis on the sternal (lower) fibers of pectoralis major:

Answer 37

False

Question 38

Resistance training increases the co-contraction of antagonistic muscles in order to better stabilize the joint.

Answer 38

False

Question 39

Muscle hypertrophy refers to gross muscular enlargement primarily from an increase in the cross-sectional area of existing muscle fibers.

Answer 39

True

Question 40

The increase in muscle fiber cross-section area (in response to resistance training) occurs as more contractile proteins are added to the middle/interior of the myofibrils.

Answer 40

False
(Builds on the outside)

Question 41

Hyperplasia is a major contributor to human muscular hypertrophy.

Answer 41

Flase
where muscle fibers split
(not in humans)

Question 42

Both Type I and Type II fibers will hypertrophy in response to adequate resistance training.

Answer 42

True

Question 43

If resistance training is intense enough, research has clearly demonstrated that Type I fibers will become Type II fibers.

Answer 43

False

Question 44

Other muscular adaptations to resistance training include reductions in mitochondrial and capillary densities and increases in muscle fiber buffering capacity and phosphagen stores.

Answer 44

True

Question 45

A 50-year-old female triathlete is concerned about osteoporosis, especially in the spine and hips. Which of the following exercises would be the most beneficial for improving her bone mineral density?

1. barbell back squats
2. leg (knee) extensions
3. seated calf raises
4. leg presses

Answer 45

barbell back squats

Question 46

True or False: Similar to muscular hypertrophy, increases in bone mineral density can be seen within 4-8 weeks after starting a resistance training program.

Answer 46

False

Question 47

True or False: During resistance exercise, the pressure created within the joints is thought to inhibit blood flow to the articular cartilage, thereby leading to joint degeneration and osteoarthritis.

Answer 47

False!
Working out does not degernate your joints; cartilage doesn’t have blood flow

Question 48

True or False: Sites where connective tissues can increase strength and load-bearing capacity include the junctions between ligaments and bone surfaces and within the body of tendons.

Answer 48

True
Tendons thicken