Group 2: Origin on shoulder girdle, insert on humerus Flashcards Preview

Musculoskeletal anatomy > Group 2: Origin on shoulder girdle, insert on humerus > Flashcards

Flashcards in Group 2: Origin on shoulder girdle, insert on humerus Deck (25):
1

Deltoid O?

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

2

Deltoid I?

Deltiod tuberosity of humerus

3

Deltoid A of mid fibers?

Abduct g/h joint.

4

Deltoid A of anterior fibers?

Flex, medially rotate and horiz. adduct g/h joint.

5

Deltoid A of posterior fibers?

Extend, laterally rotate and horiz. abduct g/h joint.

6

Which are the rotator cuff muscles?

Supraspinatus, infraspinatus, teres minor and subscapularis.

7

Supraspinatus O?

Supraspinous fossa of scapula

8

Supraspinatus I?

Greater tubercle of humerus

9

Supraspinatus A?

Abduct and stabilize g/h joint

10

Infraspinatus O?

Infraspinous fossa of scapula

11

Infraspinatus I?

Greater tubercle of humerus

12

Infraspinatus A?

Laterally rotate and stabilize g/h joint

13

Teres Minor O?

Upper 2/3 of lateral border of scapula

14

Teres Minor I?

Greater tubercle of humerus

15

Teres Minor A?

Laterally rotate and stabilize g/h joint

16

Subscapularis O?

Subscapular fossa of scapula

17

Subscapularis I?

Lesser tubercle of humerus.

18

Subscapularis A?

Medially rotate and stabilize shoulder

19

Teres Major common term?

Lat's little helper

20

Teres Major O?

Inferior angle and lower 1/3 of lateral border of scapula

21

Teres Major I?

Medial lip of bicipital groove

22

Teres Major A?

Extend, medially rotate and adduct g/h joint

23

Latissimus dorsi O?

SP's T6-L5, posterior iliac crest and median sacral crest.

24

Latissimus dorsi I?

Bicipital groove of humerus

25

Latissimus dorsi A? (same as Teres Major)

Extend, medially rotate and adduct g/h joint