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AnaPhy Muscular > Muscular > Flashcards

Muscular Flashcards

1
Q

 Types of muscle

A

Cardiac muscle, skeletal muscle, smooth muscle

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2
Q

For the movement of the heart it is involuntary muscle

A

Cardiac muscle 

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3
Q

Voluntary muscle

A

Skeletal muscle

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4
Q

Can be found in the lining of the intestine it is involuntary important in the peristalsis

A

Smooth muscle

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5
Q

Number of muscles in our body

A

Approximately 600 muscles

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6
Q

The connective tissue component

A

Endomysium, perimysium, and epimysium

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7
Q

Inner layer or inside cover of the skeletal muscle

A

Endomysium

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8
Q

Outside cover, coarse sheath covering the muscle as a whole

A

Epimysium

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9
Q

Give strength and elasticity, tough connective tissue binding together fascicles

A

Perimysium 

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10
Q

Muscles attachment

A

Origin and insertion

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11
Q

Point of attachment that does not move

A

Origin

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12
Q

Point of attachment that moves with the muscles contracts

A

Insertion

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13
Q

Most movements are produced by the coordinated action of several muscles some muscles in the group contract but others relax

A

Muscle action

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14
Q

A muscle or group of muscles that they have the performs a specific movement

A

Prime mover

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15
Q

Muscles that when contracting directly opposed prime movers. Provide precision and control during contraction of prime movers. Move away the opposite the movement of prime mover

A

Antagonist

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16
Q

Stimulates or supports the movement of the prime mover. Muscles the contract at the same time as the prime movers and their facilities movers action to produce a more efficient movement

A

Synergists

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17
Q

Join stabilizes

A

Fixator muscles, maintain the muscle in plain or intact

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18
Q

Lever system

A

Rigid bar, fulcrum ,load,pull

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19
Q

Stabilize the muscle , steady movement of the muscles

A

Rigid bar

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20
Q

Balances the movement of the muscle

A

Fulcrum

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21
Q

Stimulates the muscles to move

A

Load

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22
Q

Contraction or the movement produced by the muscle

A

Pull

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23
Q

Fulcrum lies between the pull and the load not abundant in the human body

A

First class lever

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24
Q

Load lies between the fulcrum and the joint at which the pull is exerted

A

Second class lever

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25
Q

Pull is exerted between the fulcrum and load permit rapid and extensive movement opposing movement movement against gravity. Most common

A

Third class lever

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26
Q

Important in skeletal muscles

A

Muscles of facial expression, muscles of mastication ,muscles that move the head

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27
Q

Responsible or allow us to make facial expression unique in that at least one point of attachment is two deep layer of the skin over the face or neck

A

Muscles of facial expression

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28
Q

Responsible for chewing movement

A

Muscles of mastication

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29
Q

Paires muscles on either side of the neck are responsible for head movement

A

Muscles that move the head

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30
Q

Muscles of the face responsible for making us smile

A

Zygomaticus minor and major

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31
Q

Muscles of the thorax, muscles of the abdominal wall, muscles of the back, muscles of the pelvic floor

A

Trunk muscles

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32
Q

Critical importance in respiration muscles responsible for breathing or respiration

A

Muscles of the thorax

33
Q

We use it for peristalsis or digestion arrange in three layers with fibers running in different directions to increase strength it’s also used for breathing

A

Muscles of the abdominal wall

34
Q

Then destabilize the back

A

Muscles of the back

35
Q

Supports the structure in the pelvic cavity.
Aid in the uterine contraction

A

Muscles of the pelvic floor

36
Q

Major muscle use in breathing

A

Diaphragm

37
Q

Upper limbs muscle

A

Muscles acting on the shoulder girdle
Muscles that move the upper arm
Muscles that move the wrist, hands, and fingers

38
Q

Muscles that attach the upper extremity to the torso are located anteriorly
Upper extremity or arms

A

Muscles acting on the shoulder girdle

39
Q

The shoulder is synovial joint allowing extensive movement in every plane motion

A

Muscles that move the upper arm

40
Q

Found proximally to the elbow and attached to the ulna and radius

A

Muscles that move the forearm

41
Q

This muscles are located on the anterior or posterior surfaces of the forearm

A

Muscles that move the wrist, hands, and fingers

42
Q

Function in location and maintenance of stabily, muscles that move the thigh and lower leg, and muscles that move the ankle or foot

A

The pelvic girdle and lower extremity

43
Q

Located in the leg and exert their actions by pulling on tendons that insert on bones in the ankle and foot responsible for dorsiflexion, plantar flexion, inversion, and eversion

A

Extrinsic foot muscle

44
Q

Injection site

A

Deltoid muscle

45
Q

Front muscles of the upper arm

A

Biceps

46
Q

Extends to the Neck and to the back

A

Trapezius

47
Q

Located within the foot and responsible for flexion extension abduction and adduction of toes

A

Intrinsic foot muscles

48
Q

Body alignment that most favors functions and requires the less muscular work to maintain and keeping the body center of gravity over its base
-Wide base of support

A

Good posture

49
Q

General functions of the muscles

A

Movement of the body as a whole or as a part
Heat production
posture

50
Q

Characteristics of a skeletal muscle cell

A

Excitability or irritability
contractility
extensibility

51
Q

Ability to stimulate the ability of skeletal muscle reactor stimulus

A

Excitability or irritability

52
Q

The ability to contract or shorten and produced the movement
- muscle become short but allows movement

A

Contractility

53
Q

Ability to extend or stretch allowing Muscles to return to the resting length, muscles becomes long expended and also generates movement

A

‘Extensibility

54
Q

‘Muscles cells cells are called because of their thread like shape

A

Fibers

55
Q

Plasma membrane of Muscles fibers acts as the gate responsible for the in an out of substances

A

‘Sarcolemma

56
Q

Serve as Binding sit
e of calcium
-Network of tubules and sacs found within muscle fibers this continually pumps calcium ions from the sarcoplasm and stores the ions within its sac

A

Sarcoplasmic reticulum

57
Q

Numerous fine fibers packed close together in sarcoplasm
- are fine fibers grouped together

A

Myofibrils

58
Q

A segment of microfibrils between two successive Z lines each myofibril consists of many sarcomeres which is the contractile unit of muscle fibers

A

Sarcomere

59
Q

Striated muscle dark stripes called

A

A Bands

60
Q

One that covers the sarcomere and sarcoplasmic reticulum

A

Sarcoplasm

61
Q

Transverse tubules
Formed inward extensions of the Sarcolemma
membrane has ion pumps that continually transport calcium ions inword from the sarcoplasm Allow electrical impulses traveling along the sarcolemma to move deeper into the cells

A

T tubules

62
Q

Group of myofibrils

A

Myofilaments

63
Q

Kinds of protein molecule

A

Myosin, actin, tropomyosin , troponin

64
Q

Makes up almost all the thick filament

A

Myosin

65
Q

Globular protein that forms Two fibrous strand twisted around each other to form the bulk of the thin filament
-does not stimulates or initiate muscle contraction

A

Actin

66
Q

Protein that blocks the active sites on the actin molecules
-will attach to actin there will be no way that myosin will bind with actin

A

tropomyosin

67
Q

Stabilize or contain your tropomyosin molecules in place
Protein that holds tropomyosin molecules in place

A

Troponin

68
Q

Space between our muscles where acetylcholine travel and bind
- It is a Synapse when neurotransmitter molecules transmit signals

A

Neuromuscular junction

69
Q

The neurotransmitter release into the synaptic cleft that diffuses across the gap stimulates receptors and initiates an impulse in the Sarcolemma
-chemical produced by a brain function for muscle neuron and nerve

A

Acetylcholine

70
Q

When active sites on the actin are exposed myosin heads bank to them myosin heads band put into thin filaments pass them each had releases binds to the next active site and pulse again the entire myofibril shortens

A

Sliding filament theory

71
Q

Contraction in which the one or tension within a muscle remains the same as the length of the muscle changes
- Opposite of the isometric contraction

A

Isotonic contraction

72
Q

Two types of isotonic contraction

A

Concentric and eccentric

73
Q

Muscle shortens as it contracts

A

Concentric

74
Q

Muscle lengthens while contracting

A

Eccentric

75
Q

Contraction in which muscle length remains the same while the muscle of tension increases

A

Isometric contraction

76
Q

Contracts rhythmically and continuously to provide a pumping action needed to maintain a constant blood flow

A

Cardiac muscle

77
Q

Is composed of a small tapered cells with a single nucleus no T tubules are present and only loosely organized sarcoplasmic reticulum is percent

A

Smooth muscle

78
Q

Two types of smooth muscle tissue

A

Visceral muscle and multi unit

AnaPhy Muscular (2 decks)

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