Muscle Attachments Pg 1

Question 1

SCM Origin

Answer 1

Mastoid process of temporal bone

Question 2

SCM Insertion

Answer 2

Sternum and clavicle

Question 3

SCM inervation

Answer 3

motor: accessory nerve
sensory: cervical plexus

Question 4

SCM Action

Answer 4

Acting alone, tilts head to its own side and rotates it so the face is turned towards the opposite side.
Acting together, flexes the neck, raises the sternum and assists in forced inspiration.

Question 5

SCM blood supply

Answer 5

occipital artery and the superior thyroid artery

Question 6

scalenes origin

Answer 6

cervical transverse processes

Question 7

scalenes insertion

Answer 7

1st and 2nd ribs

Question 8

scalenes inervation

Answer 8

cervical nerves ( C3, C4, C5, C6, C7)

Question 9

scalenes blood supply

Answer 9

ascending cervical artery (branch of inferior thyroid artery)

Question 10

scalenes action

Answer 10

elevation of ribs I&II

Question 11

Longus Colli origin

Answer 11

Transverse processes of C-5 to T-3

Question 12

Longus Colli insertion

Answer 12

Anterior arch of the atlas

Question 13

Longus Colli nerve inervation

Answer 13

C2-C6

Question 14

Longus Colli blood supply

Answer 14

Ascending Pharyngeal and Vertebral Arteries

Question 15

Longus Colli action

Answer 15

flexes head and neck

Question 16

Suboccipitals origin and insertion

Answer 16

several muscles that runs between
the occiput, C1, and C2 both on
the anterior and posterior side

Question 17

Suboccipitals nerve

Answer 17

suboccipital nerve ( Dorsal ramus of C1)

Question 18

Suboccipitals blood supply

Answer 18

vertebral artery

Question 19

Suboccipitals action

Answer 19

extends head

Question 20

Errector spinae origin and insertion

Answer 20

run from iliac crest, sacrum, spine,

and ribs longitudinally to: spine, ribs, or occiput

Question 21

Errector spinae artery

Answer 21

supplied segmentally by: deep cervical a., posterior intercostal aa., subcostal aa., lumbar aa.

Question 22

Errector spinae nerve

Answer 22

posterior rami of spinal nerves

Question 23

Errector spinae action

Answer 23

acting bilaterally: extend vertebral column and head;

acting unilaterally: laterally flex vertebral column

Question 24

deep layer of spine (multifidi and rotators) origin

Answer 24

Spinous and transverse process

Question 25

deep layer of spine (multifidi and rotators) insertion

Answer 25

one or a few vertebra down to spinous or transverse process

Question 26

deep layer of spine (multifidi and rotators) artery

Answer 26

supplied segmentally by: deep cervical a., posterior intercostal aa., subcostal aa., lumbar aa.

Question 27

deep layer of spine (multifidi and rotators) nerve

Answer 27

dorsal primary rami of spinal nerves C1-L5

Question 28

deep layer of spine (multifidi and rotators) action

Answer 28

multifidi: extend and laterally bend trunk and neck, rotate to opposite side
rotatores: rotates the vertebral column to the opposite side

Question 29

Rectus Abdominis origin

Answer 29

pubic bone

Question 30

Rectus Abdominis insertion

Answer 30

xiphoid process, 5th to 7th costal cartilages

Question 31

Rectus Abdominis nerve

Answer 31

thoracoabdominal nerves (anterior rami of T6-T12 spinal nerves)

Question 32

Rectus Abdominis artery

Answer 32

inferior epigastric artery , superior epigastric artery

Question 33

Rectus Abdominis action

Answer 33

Flexion of the lumbar spine