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A.P Med > Muscle Physiology > Flashcards

Muscle Physiology Flashcards

(61 cards)

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1
Q

7 muscle system functions

A

Movement
Posture
Organ and vessel constriction
Guards entrances and exits
Body temp
Respirations
Communication(body language)

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2
Q

Contractility

A

The ability to shorten a muscle with force

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3
Q

Excitability

A

The ability for a muscle to react to stimuli

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4
Q

Extensibility

A

The ability to extend and stretch to normal and a bit beyond

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5
Q

Elasticity

A

The ability to recoil to normal position after stretched

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6
Q

Connective tissue sheet

A

Fascia

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7
Q

Connective tissue that surrounds the whole muscle

A

Epimysium

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8
Q

Epimysium bunched up into a cord the. Into a bone

A

Tendon

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9
Q

Dense connective tissue surrounding a group of muscle fibers and divides the muscles into smaller groups

A

Perimysium

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10
Q

Group of muscles

A

Fascicule

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11
Q

Loose connective tissue fibers around individual muscles cells

A

Endomysium

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12
Q

Nerves and blood vessels travel through?

A

Perimysium

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13
Q

Lone and skinny cell

A

Fiber

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14
Q

Cell membrane

A

Sarcolemma

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15
Q

Fluid inside the cells

A

Sarcoplasm

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16
Q

Hole that dives deep into fibers

A

Transverse tubles

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17
Q

Calcium tube that goes parallel into the fiber

A

Sarcoplasmic reticulum

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18
Q

Protein that runs the fiber lining

A

Myofibrils

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19
Q

Smallest part of muscle

A

Sarcomere

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20
Q

Long and skinny Protein with a skin bond

A

Actin

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21
Q

Protein with a thick bond

A

Myosin

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22
Q

Active cites on ?

A

Actin

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23
Q

This is needed for a muscle to let go

A

ATP

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24
Q

This travels down transverse tubules to sarcolema

A

Action potential

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25
Blank gate that opens by projection
Calcium
26
Spot on sarcolemma where the neuron with communicate with
Motor endplate
27
The thing that starts a action
Motor neuron
28
Where the neuron meets the muscle
Neuromuscular junction
29
Name of the neurotransmitter for muscle
Acetylcholine
30
One neuron and all the fibers it controls Around (200-1000)
Motor units
31
Take the energy out of food to make this
ATP
32
How much ATP is in the human body at a time
2-3 seconds
33
You use this to make ATP
Creative Phosphate
34
You carry this much creatine phosphate at a time
6 seconds
35
Metabolizing food without oxygen
Anaerobic respiration
36
How is Latic acid made?
Glucose transforms into something else and pyruvate is a byproduct. This byproduct sits out side a cell’s mitochondria slowly getting sucked in. If it sucks in slower then it’s created the pyruvate is turned into latic acid
37
How long can a person anaerobic for
30- 40 seconds
38
Metabolize food with oxygen
Aerobic respiration
39
Happens after a exercise when you breath heavy
Oxygen debt
40
4 things that happen when recovering from oxygen debt
1, restores ATP 2, puts creatine back together 3, you heart gets rid of the Latic acid 4, repair(strenuous exercise breaks tissue)
41
How many ATP per glucose
38
42
What happens with more PH
Reactions happen slower, which means you move slower
43
Slow twitch Primary in legs
Type 1
44
Fast twitch In legs
Type 2a
45
Fast twitch explosive power In arms
Type 2b
46
Molecules that hold oxygen
Myoglobin
47
Same tension curls the weight and gravity stays the same
Isotonic
48
Same length and holding out a book for posture
Isometric
49
Same speed, artificial and always moves the same speed
Isokinetic
50
Same muscles doing the same actions
Prime mover
51
Muscle that helps
Synergist
52
Opposite muscles
Antagonist
53
Muscle getting actually shorter
Concentric
54
Muscle that grows with gravity
Eccentric
55
Primary anchor point
Origin
56
Point of primary movement
Insertion
57
A action that was told to contract once
Twitch
58
Gets more small motor units first and slowly gathers more
Recruitment
59
Muscle around the inside of body Everywhere in body
Smooth muscle
60
40% mitochondrial tissue so it”s never anaerobic and no oxygen debt In heart only
Cardiac muscle
61
Study the essay questions
Dumbfuck

A.P Med (4 decks)

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