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Kinesiology > Muscles > Flashcards

Muscles Flashcards

1
Q

What is the origin of the upper trapezius?

A

External occipital protuberance, the medial 1/3 of the superior nuchal line of the occiput, the nuchal ligament, and the spinous process of C7

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2
Q

What is the insertion of the upper trapezius?

A

Lateral 1/3 of the clavicle and the acromion process of the scapula

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3
Q

What muscle actions does the upper trapezius activate?

A
  • Elevation

* Retraction, Upward Rotation

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4
Q

What are the spinal innervations for the upper trapezius?

A

Motor – accessory nerve; Sensory –C3, C4

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5
Q

What is the origin of the middle trapezius?

A

Spinous processes of T1 –T5

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6
Q

What is the insertion of the middle trapezius?

A

Acromion process and spine of the scapula

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7
Q

What muscle actions does the middle trapezius activate?

A
  • Retraction

* Upward Rotation

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8
Q

What are the spinal innervations for the middle trapezius?

A

Motor – accessory nerve; Sensory –C3, C4

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9
Q

What is the origin of the lower trapezius?

A

Spinous processes of T6 –T12

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10
Q

What is the insertion of the lower trapezius?

A

Tubercle at the root of the spine of the scapula

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11
Q

What muscle actions does the lower trapezius activate?

A
  • Depression

* Retraction

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12
Q

What are the spinal innervations for the lower trapezius?

A

Motor – accessory nerve; Sensory –C3, C4

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13
Q

What is the origin of the serratus anterior?

A

Ribs one through nine

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14
Q

What is the insertion of the serratus anterior?

A

Anterior surface of the entire medial border of the scapula

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15
Q

What muscle actions does the serratus anterior activate?

A
  • Upward Rotation

* Protraction

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16
Q

What are the spinal innervations for the serratus anterior?

A

Long thoracic nerve (C5,6,7)

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17
Q

What is the origin of the rhomboids?

A

Spinous processes of C7 –T5

18
Q

What is the insertion of the rhomboids?

A

Medial border of the scapula from the root of the spine to the inferior angle of the scapula

19
Q

What muscle actions do the rhomboids activate?

A
  • Retraction

* Downward Rotation

20
Q

What are the spinal innervations for the rhomboids?

A

Dorsal Scapular Nerve (C5)

21
Q

What is the origin of the anterior deltoid?

A

Lateral clavicle

22
Q

What is the insertion of the anterior deltoid?

A

Deltoid tuberosity of humerus

23
Q

What muscle actions do the anterior deltoid activate?

A

flex arm

24
Q

What are the spinal innervations for the anterior deltoid?

A

Axillary nerve

25
Q

Actions: Upper Trapezius

A

elevation, retraction, upward rotation

26
Q

Actions: Middle Trapezius

A

retraction, upward rotation

27
Q

Actions: Lower Trapezius

A

depression and retraction

28
Q

Actions: Rhomboids

A

retraction, downward rotation

29
Q

Actions: Serratus Anterior

A

upward rotation, protraction of scapula

30
Q

Actions: Anterior Deltoid

A

flex arm

31
Q

Actions: Middle Deltoid

A

abduct the arm

32
Q

Actions: Posterior Deltoid

A

extension of arm

33
Q

Actions: Pectoralis Major

A

horizontal adduction

34
Q

Actions: Pectoralis Minor

A

protraction of scapula

35
Q

Actions: Latissmus Dorsi

A

extension of arm

36
Q

Actions: Subscapularis

A

internal rotation

37
Q

Actions: Brachialis

A

flexes forearm (palm down)

38
Q

Action: Biceps brachii

A

flexes forearm (palm up)

39
Q

Actions: Brachioradialis

A

flexes forearm (thumb up)

40
Q

Actions: Triceps Brachii

A

extends forearm/arm (thumb anyway)

41
Q

Actions: Supinator

A

supinates forearm

42
Q

Actions: Pronator teres

A

pronates forearm

Kinesiology (1 decks)

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