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Anatomy > The muscles > Flashcards

The muscles Flashcards

1
Q

Muscle of mastication which helps to close the mandible.
chewing muscle

A

Temporalis

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2
Q

Muscle of mastication which closes the mandible.
chewing muscle

A

Masseter

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3
Q

Principle muscle of the cheek which compresses the cheeks and forms the lateral wall of the mouth.
chewing muscle

A

Buccinator

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4
Q

Draws the scalp posteriorly and inferiorly and raises the eyebrows.
eyebrow muscle

A

Occipitofrontalis (epicranius)

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5
Q

Closes eyelids and compresses lacrimal sacs.
eyebrow muscle

A

Orbicularis oculi

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6
Q

A pyramid shaped muscle of facial expression which draws the eyebrows inferiorly and medially (draws brows together).
eyebrow muscle

A

Corrugator

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7
Q

Muscle that draws the skin of the forehead inferiorly (draws brows together).
eyebrow muscle

A

Procerus

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8
Q

Muscle that raises upper eyelid.
eyebrow muscle

A

Levator palpebrae superioris

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9
Q

Elevates and extends upper lip.
smiling muscles, false

A

Levator labii superioris

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10
Q

Elevates the angle of the mouth.
smiling muscle, false

A

Levator anguli oris

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11
Q

Narrow superficial band of muscle that pulls the angle of the mouth laterally.
smiling muscle, false

A

Risorius

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12
Q

Draws superior lip posteriorly and superiorly.
smiling muscle, real

A

Zygomaticus major

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13
Q

Draws upper lip anteriorly and superiorly.
smiling muscle, real

A

Zygomaticus minor

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14
Q

Closes and puckers lips.
mouth muscle

A

Orbicularis oris

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15
Q

Large muscle from the cheekbone and lower rim of the eye socket which raises the upper lid.
mouth muscle

A

Quadratus labii superioris

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16
Q

Elevates the upper lip and dilates the nostril opening.
mouth muscle

A

Levatator labii superior alaque nasi

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17
Q

Depresses the angle of the mouth,
mouth muscle

A

Depressor anguli oris

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18
Q

Draws lower lip inferiorly and slightly lateral.
mouth muscle

A

Depressor labii inferioris

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19
Q

Elevates and protrudes the inferior lip and wrinkles the skin over the chin,
mouth muscle

A

Mentalis

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20
Q

thin layer of muscle covering the anterior aspect of the neck.
neck muscle

A

Platysma

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21
Q

Muscle attached to the mastoid process of the temporal bone and separate heads to the sternum and clavicle.
-Turns and nods the head.
neck muscle

A

Sternocleidomastoid

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22
Q

Muscle attached to the hyoid bone and the scapula functioning in depressing the hyoid bone, swallowing, and breathing.
neck muscle

A

Omohyoid

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23
Q

Double bellied muscle which draws the hyoid bone superiorly.
neck muscle

A

Digastricus

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24
Q

Triangular muscle that moves the head and shoulders.
back muscle

A

Trapezius

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25
Q

Flat, posterior muscle that extends and adducts the shoulder.
back muscle

A

Latissimus dorsi

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26
Q

Adducts the humerus and assists latissimus dorsi in adducting the shoulders.
back muscle

A

Tres major

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27
Q

Superficial muscle that fans out across chest.
-Adducts arm
-Rotates arms medially
chest muscle

A

Pectoralis major

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28
Q

Superficial muscle on the chest.
-Depresses the point of the shoulder
chest muscle

A

Pectoralis minor

29
Q

Largest strongest muscle of the rotator cuff that internally rotates the humerus and assists in shoulder adduction.
chest muscle

A

Subscapularis

30
Q

Muscle forming the lateral wall of the chest.
breathing muscle

A

Serratus anterior

31
Q

Form chest wall and expand and contract to assist with respiration.
breathing muscle

A

Intercostals

32
Q

Muscle allowing the chest to expand and contract.
breathing muscle

33
Q

Outer, lateral abdominal muscles.
-Flex the trunk
-Depress ribs
abdominal muscle

A

External oblique

34
Q

Medial to external oblique muscles.
-Flex and bend the trunk
-Depress ribs
abdominal muscle

A

Internal oblique

35
Q

Medial abdominal muscle arising from the inguinal ligament.
abdominal muscle

A

Transverse abdominis

36
Q

Top layer of abdominal muscles.
-Flexes the spine and functions in posture.
abdominal muscle

A

Rectus abdominis

37
Q

Inner hip muscle that flexes and rotates the thigh and trunk.
abdominal muscle

A

Psoas major

38
Q

Triangular shoulder muscle that abducts the arm.
upper extermities (proximal)

39
Q

Superior, anterior muscle that flexes and adducts the arm.
upper extremities (proximal)

A

Coracobrachialis

40
Q

Flexes the elbow.
upper extremities (proximal)

A

Brachialis

41
Q

Flexes and supinates the forearm.
upper extremities (proximal)

A

Biceps brachii

42
Q

Dorsal muscle that extends the forearm and adducts the arm.
upper extremities (proximal)

A

Triceps brachii

43
Q

Flexes and abducts the hand.
upper extremities (distal anterior)

A

Flexor carpi radialis

44
Q

Flexes and adducts the hand.
upper extremities (distal, anterior)

A

Flexor carpi ulnaris

45
Q

Flexes the fingers.
upper extremities (distal, anterior)

A

Flexor digitorum superficialis

46
Q

Pronates the forearm.
upper extremities (distal, anterior)

A

Pronator teres

47
Q

Flexes and extends fingers.
upper extremities (distal, anterior)

A

Flexor digitorum profundus

48
Q

Flexes wrist and functions in gripping.
upper extremities (distal, anterior)

A

Palmaris longus

49
Q

Flexes the forearm.
upper extremities (distal, posterior)

A

Brachioradialis

50
Q

Supinates the forearm.
upper extremities (distal, posterior)

51
Q

Flexes and rotates the hip.
-Flexes the knee
-Longest muscle in the body
lower extremities (proximal, anterior)

52
Q

Flexes hip.
-Extends knee
lower extremities (proximal, anterior)

A

Quadriceps femoris

53
Q

Connection between spine and lower limbs.
-Flexes and rotates thigh
-Flexes trunk at the hips
lower extremities (proximal, anterior)

54
Q

Flexes, adducts, and rotates thigh.
lower extremities (proximal, anterior)

55
Q

Attaches thigh muscles to the pelvis.
lower extremities (proximal, anterior)

A

Inguinal ligament

56
Q

Straightens the leg from the hip.
-Extends leg from being flexed at the hip
-Largest muscle in the body
lower extremities (proximal, posterior)

A

Gluteus maximus

57
Q

Extends and rotates thigh.
-Flexes leg
lower extremities (proximal, posterior)

A

Biceps femoris

58
Q

Extends and rotates thigh.
-Flexes and rotates leg
lower extremities (proximal, posterior)

A

Semitendinosus

59
Q

Extends and rotates thigh.
-Flexes and rotates leg
lower extremities (proximal, posterior)

A

Semimembranosus

60
Q

Adducts thigh.
lower extremities (proximal, medial)

A

Adductor longus

61
Q

Adducts thigh.
lower extremities (proximal, medial)

A

Adductor magnus

62
Q

Stabilizers and allows flexibility of the knee joint.
popliteal muscle

A

Popliteus muscle

63
Q

The supporting ligament of the knee joint.
popliteal muscle

A

Oblique popliteal ligament

64
Q

Dorsiflexes the foot.
lower extremities (distal, anterior)

A

Tibialis anterior

65
Q

Extends the big toe.
lower extremities (distal, anterior)

A

Extensor hallicus longus

66
Q

Plantarflexes the foot.
lower extremities (distal, posterior)

A

Gastrocnemius

67
Q

Plantarflexes the foot.
lower extremities (distal, posterior)

68
Q

Attaches muscles to the calcaneus.
lower extremities (distal, posterior)

A

Calcaneal tendon (Achilles heel)

Anatomy (24 decks)

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