Lateral Neck Muscles

Question 1

The lateral neck muscles are known as accessory muscles of _____________.

Answer 1

RESPIRATION

Question 2

Name the superior attachment of anterior scalene?

Answer 2

ANTERIOR TUBERCLES of C3 - 6 TVPs

Question 3

Name the inferior attachment of anterior scalene?

Answer 3

RIB 1
(SCALENE TUBERCLE)
(ANTEROR TO TVP WHICH CAUSES FLEXION)

Question 4

What is the bilateral contraction action of anterior scalene?

Answer 4

FLEXION OF THE NECK

Question 5

What are the 2 unilateral contraction actions of anterior scalene?

Answer 5

IPSILATERAL FLEXION OF THE NECK
+
CONTRALATERAL ROTATION OF THE NECK (WEAK)

Question 6

Anterior and middle scalenes elevate _______ rib during forced inhalation.

Answer 6

1ST

Question 7

Name the largest and longest lateral neck muscle?

Answer 7

MIDDLE SCALENE

Question 8

Name the superior attachment of middle scalene?

Answer 8

POSTERIOR TUBERCLES OF C2 - 7 TVPs

Question 9

Name the inferior attachment of middle scalene?

Answer 9

RIB 1
(POSTERIOR TO SUBCLAVIAN ARTERY)
(TRAVELS BETWEEN ANT and MID SCALENE)

Question 10

What are the two unilateral contraction actions of middle scalene?

Answer 10

IPSILATERAL LATERAL FLEXION
+
CONTRALATERAL ROTATION OF THE NECK (WEAK)

Question 11

What does middle scalene elevate?

***also anterior scalene

Answer 11

1ST RIB DURING FORCED INHALATION

Question 12

Posterior scalene is lined up with TVPs, which means what?

Answer 12

NO FLEXION

Question 13

Name the superior attachment of posterior scalene?

Answer 13

POSTERIOR TUBERCLES OF C4 - 6 TVPs

Question 14

Name the inferior attachment of posterior scalene?

Answer 14

RIB 2

Question 15

What is the unilateral contraction action of posterior scalene?

Answer 15

IPSILATERAL LATERAL FLEXION

Question 16

Posterior scalene elevates rib _____ during forced inhalation.

Answer 16

2

Question 17

Name the lateral neck muscle which separates the posterior and anterior cervical triangle?

Answer 17

STERNOCLEIDOMASTOID

SCM

Question 18

Name the superior attachment of sternocleidomastoid?

Answer 18

MASTOID PROCESS

Question 19

Name the 2 inferior attachments of sternocleidomastoid?

Answer 19

STERNUM (STERNAL HEAD)
+
CLAVICLE (CLAVICULAR HEAD)

Question 20

What are the 5 actions of sternocleidomastoid?

Answer 20

CONTRALATERAL ROTATION of THE HEAD and NECK
+
IPSILATERAL LATERAL FLEXION of THE HEAD and NECK
+
FLEXION OF THE NECK (if head/neck is neutral or flexed)
+
EXTENSION OF THE HEAD (if head already extended)
+
ASSISTS WITH INSPIRATION

Question 21

Name the lateral neck muscle responsible for the action of anterior translation (Pigeon muscle)?

Answer 21

STERNOCLEIDOMASTOID

SCM