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ACMT > Module 4 Muscles > Flashcards

Module 4 Muscles Flashcards

1
Q

Sternocleidomastoid - Innervation

A

Spinal accessory nerve (CN XI), C2, 3

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2
Q

Sternocleidomastoid - Origin

A

Sternal head: top of the manubrium

Clavicular head: medial 1/3 of the clavicle

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3
Q

Sternocleidomastoid - Insertion

A

Mastoid process of the temporal bone

And

The lateral portion of superior nuchal line of the occiput

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4
Q

Sternocleidomastoid - actions

A

Unilaterally:
LATERALLY FLEX the head and neck to the same side
ROTATE the head and neck to the opposite side

Bilaterally:
FLEX the neck
Assist to ELEVATE the ribcage during inhalation

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5
Q

Sternocleidomastoid - palpation

A

Supine - contralaterally rotate and lift head and neck of the table

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6
Q

Scalenes - Innervation

A

C(3), 4-8

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7
Q

Scalenes - SIN # to help remember origin and insertions

A

136 127 267
Ant Mid Pos

(1st rib, C3-C6, 1st rib, C2-C7, 2nd rib, C6-C7)

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8
Q

Scalenes - Origin

A

Anterior:
Transverse processes of C3 to C6

Middle:
Transverse processes of C2 to C7

Posterior:
Transverse processes of C6 to C7

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9
Q

Scalenes - Insertion

A

Anterior:
1st Rib

Middle:
1st Rib

Posterior:
2nd Rib

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10
Q

Scalenes - Actions

A

Unilaterally:
LATERALLY FLEX the head and neck to the same side (all 3)
ROTATE the head and neck to the opposite side (all 3)

Bilaterally:
FLEX the head and neck (anterior only)
ELEVATE the ribs during inhalation (all 3)

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11
Q

Scalenes - Palpation

A

Drop laterally off the SCM and have client take in short burst inhales through the nose

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12
Q

Levator Scapulae - Innervation

A

Cervical and dorsal scapular nerves

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13
Q

Levator scapulae - origin

A

Transverse processes of C1 to C4

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14
Q

Levator scapula - insertion

A

Medial border of the scapula between the superior angle and the superior portion of the spine of the scapula

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15
Q

Levator Scapulae - Actions

A

Unilaterally:
ELEVATE & DOWNWARDLY ROTATE the scapulothoracic joint
LATERALLY FLEX the head and neck to same side
ROTATE the head and neck to same side

Bilaterally:
EXTEND the head and neck

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16
Q

Splenius Capitus - Innervation

A

Cervical nerve

17
Q

Splenius Capitus - Origin

A

Inferior 1/2 of ligamentum nuchae and spinous processes of C7 to T4

18
Q

Splenius Capitus - Insertion

A

Mastoid process and lateral portion of superior nuchal line

19
Q

Splenius Capitus - Actions

A

Unilaterally:
ROTATE the head and neck to same side
LATERALLY FLEX the head and neck to same side

Bilaterally:
EXTEND the head and neck

20
Q

Trapezius - innervation

A

Spinal portion of cranial nerve XI (spinal accessory nerve) and ventral ramus C2, 3, 4

21
Q

Trapezius - Origin

A

External occipital protuberance,
Medial portion of superior nuchal line of the occiput,
Ligamentum nuchae, and
Spinous processes of C7 through T12

22
Q

Trapezius - insertion

A

Lateral 1/3 of clavicle
Acromion process
Spine of scapula

23
Q

Trapezius - Actions

(upper fibres: 5, middle fibres: 2, lower fibres: 2)

A

UPPER FIBRES
Bilaterally:
EXTEND the head and neck

Unilaterally:
LATERALLY FLEX the head and neck to same side
ROTATE the head and neck to opposite side
ELEVATE the scapulothoracic joint (scapula)
UPWARDLY ROTATE the scapulothoracic joint

MIDDLE FIBRES
ADDUCT the scapulothoracic joint
STABILIZE the scapulothoracic joint

LOWER FIBRES
DEPRESS the scapulothoracic joint
UPWARDLY ROTATE the scapulothoracic joint

24
Q

Rhomboids - Major and Minor - innervation

A

Dorsal scapular nerve

25
Q

Rhomboids - origin

A

MINOR: spinous processes of C7 - T1

MAJOR: spinous processes of T2 - T5

26
Q

Rhomboids - insertion

A

MINOR: upper portion of medial border of the scapula, across from the spine of the scapula

MAJOR: medial border of the scapula between the spine of the scapula and inferior angle

27
Q

Rhomboids - actions

A

ADDUCT the scapulothoracic joint
ELEVATE the scapulothoracic joint
DOWNWARDLY ROTATE the scapulothoracic joint

ACMT (20 decks)

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