Chapter 10 Part 3

Question 1

Creatine phosphate, anaerobic cellular respiration,aerobic cellular respiration

Answer 1

Muscle fiber replinish ATP 3 methods

Question 2

Unique to muscle fibers last about 15 seconds

Answer 2

Creatine phosphate

Question 3

Forms latic acid without oxygen such as strength training for

Answer 3

Anaerobic cellular respiration

Question 4

Forms ATP with oxygen such as endurance training

Answer 4

Aerobic cellular respiration

Question 5

Insufficient oxygen and calcium levels,depletion of nutrients and excessive lactic acid

Answer 5

Muscle fatigue factors

Question 6

Nutrient and oxygen availability -amount of myofilament overlap -number of motor units activated -frequency of nerve impulse stimulation

Answer 6

Muscle tension factors

Question 7

A brief contraction (single pull) of muscle fibers within a motor unit in response to one nerve impulse

Answer 7

Twitch

Question 8

Latent; brief delay between stimulus and contraction ; Ca2+ levels increase -contraction period; muscle shortens -relaxation period;Ca 2+ levels decrease

Answer 8

Twitch 3 periods

Question 9

Consists of one motor neuron and all muscle fibers it stimulates

Answer 9

Motor units

Question 10

Control precise muscle movements such as vocal cords; one neuron controls a few muscle fibers

Answer 10

Small motor units

Question 11

Control large powerful muscle movements such as hamstrings; neuron controls many muscle fibers

Answer 11

Large motor units

Question 12

The amount of ___ inside muscle fibers powers contractions for only a few seconds

Answer 12

ATP

Question 13

Fastest and most powerful type-produce ATP by anaerobic methos -fatigue quickest -most abundant in upper limb muscles -develop during strength training

Answer 13

Fast glycolytic

Question 14

A painful spasm

Answer 14

Cramp

Question 15

Increased muscle tone

Answer 15

Hypertonia

Question 16

Intermediate in strength and speed -produce ATP by aerobic and anaerobic methods -most abundant in lower limbs

Answer 16

Fast oxidative glycolytic

Question 17

Each consists of the same type of skeletal muscle

Answer 17

Motor unit

Question 18

The muscle length does not change and object remains stationary -leads to isotonic contraction

Answer 18

Isometric contraction

Question 19

Produces larger contractions when nerve impulse occur one after the other

Answer 19

Wave summation

Question 20

Decreased muscle tone

Answer 20

Hypotonia

Question 21

Pain associated with muscles

Answer 21

Myalalagia

Question 22

Slowest and least powerful produce ARap by aerobic method fatigue slower most abundant in postural muscles

Answer 22

Slow oxidative fibers

Question 23

Results in a smooth sub stained contraction muscle does not relax between impulses

Answer 23

Fused tetanus

Question 24

Most are a mixture of 3 muscle fiber types

Answer 24

Skeletal muscles

Question 25

Muscle length changed produces movement -concentric causes flexion -eccentric causes extension

Answer 25

Isotonic contraction

Question 26

Reduces severity of muscle spasms by increasing blood flow resetting muscle tone

Answer 26

Massage

Question 27

Located in heart-bunched straited and involuntary -intercalated discs connective fibers-muscle fibers are autohythmic and form “pace maker”

Answer 27

Cardiac muscle

Question 28

Affects strength of muscle contraction in various ways

Answer 28

Frequency of stimulation

Question 29

Slow oxidative -fast oxidative glycolytic -fast glycolytic

Answer 29

Skeletal muscle contraction speeds