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Odalys Vargas > musclural system > Flashcards

musclural system Flashcards

1
Q

Skeletal Muscle

A

and

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2
Q

Cardiac Muscle

A

and

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3
Q

Smooth Muscle

A

and

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4
Q

Exicability

A

Able to send electrical waves (action potential) along the entire length

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5
Q

Elasticity

A

Having the ability to recoil back to its original length

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6
Q

Extensibility

A

Allows muscles to stretch or extend

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7
Q

Contractility

A

Allows muscles to pull on its attachment and shorten

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8
Q

Fascicle

A

The muscle fibers that are arranged in bundles

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9
Q

Epimysium

A

Outermost layer, surrounds entire muscle

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10
Q

Perimysium

A

Separates and surrounds fascicles

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11
Q

Endomysium

A

Surrounds each individual muscle fiber

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12
Q

Sarcolemma

A

Muscle fiber membrane

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13
Q

Myofibril

A

Individual parallel muscle fibers (made up of actin and myosin)

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14
Q

Sarcoplasm

A

Inner material surrounding the myofibril (equivalent to the cell’s cytoplasm)

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15
Q

Actin

A

Thin filaments

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16
Q

Myosin

A

Thick filaments

17
Q

biceps brachii

A

performs a bicep curl, also allows palm of hand to point toward body while flexing

18
Q

triceps brachii

A

extends forearm, as during a punch

19
Q

pronator teres

A

turns hand palm down

20
Q

supinator

A

turns hand palm up

21
Q

subclavius

A

stabilizes clavicle during movement by depressing it

22
Q

serratus anterior

A

moves arm from side of body to front of body; assists with inhalation

23
Q

trapezius

A

elevates shoulders (shrugging);pulls shoulder blades together, tilts head backwards

24
Q

rhomboid Major

A

stabilizes scapula during pectoral girdle, movement

25
Q

pectoralis major

A

brings elbows together; moves elbow up (as during uppercut punch)

26
Q

latissimus dorsi

A

Moves elbow back (as in elbowing someone standing behind you); spreads elbows apart

27
Q

deltoid

A

lifts arms at the shoulder

28
Q

supraspinatus

A

rotate the elbow outwards, as during a tennis swing

29
Q

teres major

A

assists the infraspinatus

Odalys Vargas (12 decks)

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