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Flashcards in Test 1 Deck (21):
0

Origin of anterior scalene

Anterior tubercles of transverse processes of C3-C6

1

Insertion of anterior scalene

1st rib

2

Innervation of anterior scalene

Cervical spinal nerves C4-C6

3

Action of anterior scalene

Flexes neck laterally
Elevates 1st rib during forced inspiration

4

Origin of middle scalene

Posterior tubercles of transverse processes of C4-C7

5

Insertion of middle scalene

Superior surface of 1st rib
Posterior groove for subclavian artery

6

Innervation of middle scalene

Anterior rami of cervical spinal nerves

7

Action of middle scalene

Flexes neck laterally
Elevates 1st rib during forced inspiration

8

Origin of posterior scalene

Posterior tubercles of transverse processes of C4-C6

9

Insertion of posterior scalene

External border of 2nd rib

10

Innervation of posterior scalene

Anterior rami of cervical spinal nerves C7,C8

11

Action of posterior scalene

Flexes neck laterally
Elevates 2nd rib during forced inspiration

12

Origin of levator scapulae

Posterior tubercles of transverse processes of C1-C4

13

Insertion of levator scapulae

Superior part of medial border of scapula

14

Innervation of levator scapulae

Dorsal scapular nerve C5
Cervical spinal nerves C3,C4

15

Action of levator scapulae

Elevates scapula
Tilts its glenoid cavity inferiorly by rotating scapula

16

Dorsal scapular artery

Runs along the medial border of the scapula with the dorsal scapular nerve to supply the levator scapula and the rhomboids

17

Boundaries of the scapular notch

Superior transverse ligament of scapula
Scapula

18

What passes through the scapular notch

Suprascapular artery above superior transverse ligament
Suprascapular below superior transverse ligament

19

Origin of omohyoid

Superior border of scapula near suprascapular notch

20

Insertion of omohyoid

Inferior border of hyoid