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DOMAIN 1 - Anatomy and Functions > Muscular System > Flashcards

Muscular System Flashcards

1
Q

What are tendons?

A

Connect muscle to bone

Provide anchor for muscles to produce force

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2
Q

What is a fascia?

A

Outer layer of connective tissue surrounding a muscle

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3
Q

What are fascicles ?

A

Bundle of individual muscle fibers

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4
Q

What is a muscle fiber?

A

Cellular components and myofibrils encased in a plasma membrane

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5
Q

What is a sarcomere?

A

It produces muscular contraction

Repeating sections of actin and myosin

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6
Q

What are two types of muscle tissues?

A

Type 1 slow twitch

Type 2 fast twitch

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7
Q

What is a type muscle tissue ?

A

Slow twitch
Smaller size
Fatigue slowly

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8
Q

What is type 2 muscle tissue?

A

Fast twitch
Larger size
Quick to produce maximal tension
Fatigue quickly

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9
Q

What is a motor unit?

A

One motor neuron and the muscle fibers it connects with

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10
Q

What is a neural activation ?

A

It is the contraction of a muscle generated by neural stimulation

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11
Q

What is a neurotransmitter?

A

Chemical messengers that transport impulses from nerve to muscle

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12
Q

What is a local stabilization system ?

A

Attach directly to vertebrae

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13
Q

What is local stabilization system consists of?

A 
Transverse abdominis
Internal oblique 
Multifidus 
Pelvic floor
Diaphragm
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14
Q

What is a global stabilization system ?

A

Attach from pelvis to spine

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15
Q

What does the global stabilization system consist of?

A 
Quadratus lumborum 
Psoas major 
External oblique 
Rectus abdominis 
Gluteus medius 
Adductor complex 
Portions of internal oblique
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16
Q

What is a movement system ?

A

Attach from the spine and/or pelvis to extremities

17
Q

What does the movement system consists of ?

A

Latissimus dorsi
Hip flexors
Hamstring complex
Quadriceps

18
Q

What is in a cross section of a muscle ?

A

Muscle fiber (the center)
Endomysium
Perimysium
Epimysium (outer most)

DOMAIN 1 - Anatomy and Functions (6 decks)

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