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Muscular anatomy > Mod 1 > Flashcards

Mod 1 Flashcards

1
Q

Primary function of the temporalis

A

Close the jaw, flex tmj

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2
Q

What nerve innervates the temporalis?

A

Trigeminal nerve third branch

CN V3

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3
Q

What is the primary function of the masseter?

A

Close the jaw and flex TMJ

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4
Q

What is the innervation of the masseter?

A

Trigeminal nerve 3rd branch

CN V3

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5
Q

What is the primary function of the digastricus?

A

Open jaw, extend TMJ

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6
Q

What is the innervation for the digastricus?

A

Trigeminal nerve, 3rd branch

CN V3

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7
Q

What is the primary function of the hypoglossal?

A

Tongue movement

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8
Q

What nerve innervates the hypoglossal?

A

Hypoglossal nerve

CNXII

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9
Q

What is the primary function of omotransversarius?

A

Move the scapula forward

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10
Q

What is the innervation of the omotransverarius?

A

Spinal accessory nerve

CN XI

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11
Q

What is the primary function of the brachiocephalicus?

A

Extend shoulder joint

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12
Q

What is the innervation of brachiocephalicus?

A

Spinal accessory nerve

CN XI

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13
Q

What is the primary function of the trapezius?

A

Elevate scapula dorsal and medial

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14
Q

What nerve innervates the trapezius?

A

Spinal accessory nerve

CN XI

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15
Q

What is the primary function of the rhomboideus?

A

Elevate dorsal and medial

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16
Q

What nerve innervates the rhomboideus?

A

Segmental

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17
Q

What is the primary function of the splenius?

A

Support and extend the neck

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18
Q

What nerve innervates the spenius?

A

Segmental

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19
Q

What is the primary function of the sclaneus?

A

Ventral and lateral flexion of the neck

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20
Q

What nerve innervates the sclaneus?

A

Segmental

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21
Q

What is the primary function of sternocephalicus?

A

Ventral flexion of the neck

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22
Q

What nerve innervates the sternocephalicus?

A

Spinal accessory

CNXI

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23
Q

What is the primary function of sterno-thyroi-hyoideus?

A

Retract and move the hyoid

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24
Q

What nerve innervates sterno-thyroi-hyoideus?

25
Q

What is the primary function of serratus ventralis?

A

Thoracic girdle support

Stabilize the thoracics

26
Q

What nerve innervates the serratus ventralis?

A

Long thoracic nerve

27
Q

What is the primary function of supraspinatus?

A

Stabilize the shoulder joint

28
Q

What nerve innervates the supraspinatus?

A

Suprascapular nerve

29
Q

What is the primary function of infraspinatus?

A

Stabilize the shoulder joint

30
Q

What nerve innervates the infraspinatus?

A

Suprascapular nerve

31
Q

What is the primary function of subscapularis?

A

Stabilize the shoulder joint

32
Q

What nerve innervates the subscapularis?

A

Subscapularis nerve

33
Q

What is the primary function of the deltoideus?

A

Shoulder joint flexion

34
Q

What nerve innervates the deltoideus?

A

Axillary nerve

35
Q

What is the primary function of teres major/minor?

A

Shoulder joint flexion

36
Q

What nerve innervates the teres major/minor?

A

Axillary nerve

37
Q

What is the primary function of the latissimus dorsi?

A

Shoulder joint flexion

38
Q

What nerve innervates the latissimus dorsi?

A

Thoracodorsal nerve

39
Q

What is the primary function of biceps brachii?

A

Elbow joint flexion

40
Q

What nerve innervates biceps brachii

A

Musculocutaneous nerve

41
Q

What is the primary function of brachialis?

A

Elbow joint flexion

42
Q

What nerve innervates the brachialis?

A

Musculocutaneous nerve

43
Q

What is the primary function of the triceps?

A

Extend the elbow joint

44
Q

What nerve innervates the triceps?

A

Radial nerve

45
Q

What is the primary function of the superficial pectorals?

A

Adduction of the front limb

46
Q

What nerve innervates the superficial pectorals?

A

Pectoral nerve

47
Q

What is the primary function of the deep pectorals?

A

Adduction of the front limb

48
Q

What nerve innervates the deep pectorals?

A

Pectoral nerve

49
Q

Which two muscles flex the elbow joint?

A

Biceps brachii and brachialis

musculocutaneous nerve

50
Q

What is the antagonist of the biceps brachii and brachialis muscles?

51
Q

Which muscles stabilize the shoulder joint?

A

Supraspinatus (Suprascapular nerve)
Infraspinatus (Suprascapular nerve)
Sub scapularis ( subscapularis nerve)

52
Q

What muscles flex the shoulder joint?

A

Deltoideus. (Axillary nerve)
Teres major/minor ( axillary nerve)
Latissimus dorsi. (Thoracodorsal nerve

53
Q

What muscles are innervated by the axillary nerve?

A

Deltoideus

Teres major/minor

54
Q

What muscles are innervated by the trigeminal nerve 3rd branch? (CN V3)

A

Temporalis
Masseter
Digastricus

55
Q

What muscles close the jaw and flex TMJ?

A

Temporalis

Masseter

56
Q

What muscle is antagonistic to the temporalis and masseter?

A

Digastricus

open jaw and extend TMJ

57
Q

What muscles are innervated by the spinal accessory nerve?

CNXI

A

Omotransversarius
Brachiocephalicus
Trapezius
Sternocephalicus

58
Q

Which muscles elevate shoulder blade dorsal and medially?

A

Trapezius. (Spinal accessory nerve)

Rhomboideus (segmental)

Muscular anatomy (3 decks)

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