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PCMT Year 2- Mod 4 > Muscles > Flashcards

Muscles Flashcards

1
Q

Splenius Cervicis Origin

A

Spinous Processes of T3-T6

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2
Q

Splenius Cervicis Insertion

A

Transverse processes of C1-C3

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3
Q

Splenius Cervicis Innervation

A

Cervical Nerve

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4
Q

Splenius Cervicis Actions

A

Unilaterally:
rotate the head and neck to the same side
laterally flex the head and neck to the same side

Bilaterally:
extend the head and neck

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5
Q

Pectoralis Minor Origin

A

Third, fourth and fifth ribs

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6
Q

Pectoralis Minor insertion

A

medial surface of the coracoid process of the scapula

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7
Q

Pectoralis Minor innervation

A

medial pectoral, with fibres from a communicating branch of lateral pectoral nerves

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8
Q

pectoralis Minor actions

A

depress the scapulothoracic joint
abduct/protract the scapulothoracic joint
downwardly rotate the scapulothoracic joint

w/ scapula fixed:
assist to elevate the thorax during forced inhalation

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9
Q

Suboccipitals

A

Rectus Capitis posterior minor
rectus Capitis posterior major
oblique capitis superior
oblique capitis inferior

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10
Q

Suboccipitals innervation

A

suboccipital nerve

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11
Q

suboccipitals origin

A

RCP Major:
spinous process of the axis (C2)

RCP Minor:
Tubercle of the posterior arch of the atlis (c1)

OCS:
Transverse process of atlas (c1)

OCI:
Spinous process of axis (c2)

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12
Q

subOccipitalis insertions

A

RCP Major:
inferior nuchal line of the occiput

RCP Minor:
inferior nuchal line of the occiput

OCS:
Between the nuchal lines of the occiput

OCI:
Transverse Process of the atlas (C1)

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13
Q

suboccipitals actions

A

RCP Minor and Major, OCS:
Rock and tilt the head back into extension

RCP Major and OCI:
Rotate the head to the same side.

OCS:
Laterally flex the head to the same side

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14
Q

Longus colli Origin

A

Bodies of C5-T3, transverse processes of C3-C5

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15
Q

Longus Colli Insertion

A

Tubercle on anterior arch of the atlas, bodies of the axis, C3-C4, transverse processes of C5-C6

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16
Q

Longus Colli innervation

A

C2-C6 (7)

17
Q

Longus Colli Actions

A

Unilaterally:
laterally flex the head and neck to the same side
rotate the head and neck to the same side

Bilaterally:
Flex the head and neck

18
Q

Pectoralis Major Innervation

A

upper fibres: Lateral pectoral nerve

Lower fibres: medial and lateral pectoral nerve

19
Q

Pectoralis major origin

A

medial 1/2 of clavicle, sternum and cartilage of ribs 1-6

20
Q

pectoralis major insertion

A

crest of the greater tubercle of the humerus

21
Q

pectoralis major actions

A

ALL FIBRES:
adduct and medially rotate the glenohumeral joint
assist to elevate the thorax during forced inhalation

UPPER FIBRES:
Flex the glenohumeral joint
horizontally adduct the glenohumeral joint

LOWER FIBRES:
Extend the glenohumeral joint

22
Q

Sternocleidomastoid Innervation

A

SPinal accessory nerve C2, 3

23
Q

SCM Origin

A

Sternal head-
Top of the manubrium

Clavicular head-
medial 1/3 of clavicle

24
Q

SCM insertion

A

mastoid process of the temporal bone and the lateral portion of the superior nuchal line of the occiput

25
Q

SCM 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 rib cage during inhalation

26
Q

Scalenes Innervation

A

C3-C8

27
Q

Scalenes origin

A

Anterior:
TVP of C3-C6

Middle:
TVP of C2-C7

Posterior:
TCP of C6-C7

28
Q

Scalenes insertion

A

Anterior:
1st rib

Middle:
1st rib

Posterior:
2nd rib

29
Q

Scalene Actions

A

Unit laterally w/ ribs fixed:
laterally flex the head and neck to the same side
rotate the head and neck to the opposite side

Bilaterally:
flex the head and neck (anterior only)
elevate the ribs during inhalation

30
Q

Levator Scapulae innervation

A

cervical and dorsal scapular nerves

31
Q

Levator scapulae origin

A

TVP of of C1-C4

32
Q

Levator scapulae insertion

A

medial border of the scapula between the superior angle of the scapulae and the superior portion
of the spine of the scapula

33
Q

levator scapulae actions

A

Unilaterally:
Elevate and downwardly rotate the scapulothoracic joint
laterally flex the head and neck to the same side
rotate the head and neck to the same side

Bilaterally:
Extend the head and neck

34
Q

Splenius capitis innervation

A

cervical nerve

35
Q

splenius capitis origin

A

inferior 1/2 of ligamentum nuchae and spinous processes of C7-T4

36
Q

Splenius capitis insertion

A

mastoid process and lateral portion of the superior nuchal line

37
Q

Splenius capitis actions

A

UNilaterally:
laterally flex the head and neck to the same side
rotate the head and neck to the same side

Bilaterally;
extend the head and neck

38
Q
A

PCMT Year 2- Mod 4 (2 decks)

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