Muscles

Question 1

Splenius Cervicis Origin

Answer 1

Spinous Processes of T3-T6

Question 2

Splenius Cervicis Insertion

Answer 2

Transverse processes of C1-C3

Question 3

Splenius Cervicis Innervation

Answer 3

Cervical Nerve

Question 4

Splenius Cervicis Actions

Answer 4

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

Question 5

Pectoralis Minor Origin

Answer 5

Third, fourth and fifth ribs

Question 6

Pectoralis Minor insertion

Answer 6

medial surface of the coracoid process of the scapula

Question 7

Pectoralis Minor innervation

Answer 7

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

Question 8

pectoralis Minor actions

Answer 8

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

Question 9

Suboccipitals

Answer 9

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

Question 10

Suboccipitals innervation

Answer 10

suboccipital nerve

Question 11

suboccipitals origin

Answer 11

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)

Question 12

subOccipitalis insertions

Answer 12

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)

Question 13

suboccipitals actions

Answer 13

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

Question 14

Longus colli Origin

Answer 14

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

Question 15

Longus Colli Insertion

Answer 15

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

Question 16

Longus Colli innervation

Answer 16

C2-C6 (7)

Question 17

Longus Colli Actions

Answer 17

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

Question 18

Pectoralis Major Innervation

Answer 18

upper fibres: Lateral pectoral nerve

Lower fibres: medial and lateral pectoral nerve

Question 19

Pectoralis major origin

Answer 19

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

Question 20

pectoralis major insertion

Answer 20

crest of the greater tubercle of the humerus

Question 21

pectoralis major actions

Answer 21

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

Question 22

Sternocleidomastoid Innervation

Answer 22

SPinal accessory nerve C2, 3

Question 23

SCM Origin

Answer 23

Sternal head-
Top of the manubrium

Clavicular head-
medial 1/3 of clavicle

Question 24

SCM insertion

Answer 24

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

Question 25

SCM Actions

Answer 25

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

Question 26

Scalenes Innervation

Answer 26

C3-C8

Question 27

Scalenes origin

Answer 27

Anterior: TVP of C3-C6 Middle: TVP of C2-C7 Posterior: TCP of C6-C7

Question 28

Scalenes insertion

Answer 28

Anterior: 1st rib Middle: 1st rib Posterior: 2nd rib

Question 29

Scalene Actions

Answer 29

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

Question 30

Levator Scapulae innervation

Answer 30

cervical and dorsal scapular nerves

Question 31

Levator scapulae origin

Answer 31

TVP of of C1-C4

Question 32

Levator scapulae insertion

Answer 32

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

Question 33

levator scapulae actions

Answer 33

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

Question 34

Splenius capitis innervation

Answer 34

cervical nerve

Question 35

splenius capitis origin

Answer 35

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

Question 36

Splenius capitis insertion

Answer 36

mastoid process and lateral portion of the superior nuchal line

Question 37

Splenius capitis actions

Answer 37

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