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Leslie Ramos > Muscular System > Flashcards

Muscular System Flashcards

1
Q

Skeletal Muscle

A

Voluntary, multinucleated structures that compose the skeletal muscle

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2
Q

Cardiac Muscle

A

Involuntary, only found in the heart

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3
Q

Smooth Muscle

A

Involuntary, they do not have striations

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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

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17
Q

Subclavius

A

Stabilizes clavicle during movement by depressing; depression

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18
Q

Serratus Anterior

A

Moves arm from side of body to front of the body; scapula, protracts, ribs, elements

19
Q

Trapezius

A

Elevates shoulders, shoulder blades together; scapula, retracts, elevates/depresses

20
Q

Rhomboid Major

A

Stabilizes scapula during pectoral girdle movement; retracts, rotates inferiorly

21
Q

Pectorallis Major

A

Brings/moves elbows together; flexion, adduction, medial

22
Q

Latissimus Dorsi

A

Moves elbows back/apart; humerus, extension, adduction, medial, scapula, depression

23
Q

Deltoid

A

Lift arms at the shoulder; abduction, flexion, extension, medial, medial, lateral

24
Q

Supraspinatus

A

Rotates the elbow outward; abduction

25
Q

Teres Major

A

Assists the infraspinatus in rotating the elbow outward; extension adduction

26
Q

Biceps Brachii

A

Performs a bicep curl; flexion, supination

27
Q

Triceps Brachii

A

Extends forearm; extension

28
Q

Pronator Teres

A

Turns hand palm down; pronation

29
Q

Supinator

A

Turns hand palm up; supination

30
Q

Iliacus

A

Raises the knee at hip; flexion and lateral rotation

31
Q

Gluteus Maximus

A

Lower knee and moved thigh back; extension

32
Q

Gluteus Medius

A

Opens thigh; Abduction

33
Q

Gluteus Minimus

A

Brings thighs together; Abduction

34
Q

Adductor Longus

A

Bring thighs back together; Adduction, flexion

35
Q

Rectus Femoris

A

Moves lower leg out in front of the body; tibia/fibula, extension

36
Q

Biceps Femoris

A

Moves back of lower leg up and back towards the buttocks; tibia/fibula, flexion

37
Q

Tibialis Anterior

A

Raises sole of the foot off the ground, bend foot upward; Dorsiflexion, inversion

38
Q

Extensor Hallucis Longus

A

Raises sole of the foot off the ground, extends big toe; Dorsiflexion, extension

39
Q

Extensor Digitorum Longus

A

Raises sole of the foot off the ground, extends toes; Dorsiflexion, extension

40
Q

Gastrocnemius

A

Lowers sole of the foot to the ground, moving leg back; Plantar flexion

41
Q

Soleus

A

Lowers sole of the foot to the ground, maintains walking posture; Plantar flexion

42
Q

Tibialis Posterior

A

Lowers sole of the foot to the ground, when jumping; Plantar flexion

43
Q

Flexor Digitorum Longus

A

Lowers sole of the foot to the ground, bends inside of foot upward; Plantar flexion and inversion

44
Q

Flexor Hallicus Longus

A

Flexes big toe; Flexion

Leslie Ramos (8 decks)

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