Group 1: Origin On Axial, Insert On Shoulder Girdle Flashcards Preview

Musculoskeletal anatomy > Group 1: Origin On Axial, Insert On Shoulder Girdle > Flashcards

Flashcards in Group 1: Origin On Axial, Insert On Shoulder Girdle Deck (21):
0

Trapezius O?

Medial superior nuchal line, external occipital protuberance, ligamentum nuchae, SP's C7-T12

1

Trapezius I?

Lateral 1/3 of clavicle, acromion and spine of scapula

2

Trapezius A of upper fibers?

Bilat extend neck, unilaterally lat flex neck, rotate contralaterally.
I/O elevate scapula

3

Trapezius A of middle fibers?

Adduct scapula

4

Trapezius A of lower fibers?

Depress scapula

5

Levator scapula O?

TP's C1-4

6

Levator scapula I?

Medial border of scapula b/w superior angle and spine

7

Levator scapula A?

Bilat extend neck, unilat lat flex neck and rotate ipsilaterally
I/O: unilat elevate scapula

8

Rhomboid Major O?

SP's T2-5

9

Rhomboid major I?

Medial border of spine b/w spine and inferior angle

10

Rhomboid minor O?

SP's C7-T1

11

Rhomboid minor I?

Upper part of medial border across from spine

12

Rhomboids A?

Adduct and elevate scapula

13

Pectoralis minor O?

Ribs 3-5

14

Pectoralis minor I?

Coracoid process of scapula

15

Pectoralis minor A?

Depress scapula. I/O: assist to elevate thorax during inhalation

16

Serratus anterior O?

External ribs 1-8/9

17

Serratus anterior I?

Anterior medial border of scapula

18

Serratus anterior A?

Abduct, depress and upwardly rotate scapula. Hold medial border of scapula against ribcage.
I/O: elevate thorax during inhalation

19

Subclavicus location?

Under clavicle

20

Subclavicus A?

Depress clavicle and stabilize s/c joint. I/O: elevate first rib