Week Two OIA Upper E

Question 1

Origin of supraspinatus

Answer 1

Supraspinous fossa of scapula

Question 2

Insertion of supraspinatus

Answer 2

greater tubercle of the humerus

Supra = greater rubercle

Question 3

Action of supraspinatus

Answer 3

Shoulder abduction and stabilization

Abduction to stabilization

Question 4

Origin of infraspinatus

Answer 4

infraspinatus fossa of scapula

Question 5

Insertion of infraspinatus

Answer 5

greater tubercle of the humerus

Question 6

Action of infraspinatus

Answer 6

shoulder laterally rotation, adduction, stabilization

Adds lateral rotation

Question 7

Origin of Teres Minor

Answer 7

Upper 2/3 of the lateral edge of the scapula

2/3 of the lateral edge of the scap

Question 8

Insertion of Teres Minor

Answer 8

Head of the humerus, greater tubercle of the humerus

Greater head

Question 9

Action of Teres Minor

Answer 9

shoulder laterally rotation, adduction, and stabilization

Adds lateral rotation

Question 10

Origin of subscapularis

Answer 10

Subscapular fossa of scapula

Question 11

Insertion of subscapularis

Answer 11

lesser tubercle of humerus

Sub is lesser

Question 12

Action of subscapularis

Answer 12

Shoulder medial rotation and stabilization

mediocer

Question 13

Origin of Rhomboids Major

Answer 13

The spinous process of T2-T5

2-5 spines

Question 14

Insertion of rhomboids major

Answer 14

lower portion of the medial border of the scapula

Major: lower and medial to the scap

Question 15

Action of rhomboids major

Answer 15

scapula: adduction, elevation, downward rotation

Add elevation to go down rotations

Question 16

Origin of rhomboids minor

Answer 16

The spinous process of C7-T1

c7-t1 spines
Minor = minues (7-1)

Question 17

Insertion of rhomboids minor

Answer 17

upper portion of the medial border of the scapula

Minor = upper and medial to scap

Question 18

Action of rhomboids minor

Answer 18

Scapula: adduction, elevation, and downward rotation

Same is major

Question 19

Origin of levator scapula

Answer 19

Transverse processes of C1-C4

1-4 of the transverse

Question 20

Insertion of levator scapula

Answer 20

The upper portion of the medial portion of the scapula

Upper and medial to scap
Same as rhomboids minor

Question 21

Action of levator scapula

Answer 21

Extension of head/neck, scapula elevation, downward rotation, neck lateral flexion, and rotation

downward elevation of scap, neck F and E, head extension

Question 22

Origin of serratus Anterior

Answer 22

The external surface of first 8-9 ribs

8-9 external ribs

Question 23

Insertion of serratus Anterior

Answer 23

The anterior surface medial border of scapula

Anterior and medial to scap
Serratus anterior = anterior surface

Question 24

Action of serratus anterior

Answer 24

scapula abduction, and depression, upward rotation, holds scapula to ribs

depression is upward to abduction
Ab-D-U (AB Duuu)

Question 25

Origin of pec major

Answer 25

Sternum, cartilage of ribs 1-6, anterior 1/2 of clavicle. ## Footnote 1/2 of clavicle, 1-6 of the ribs cartilage on the sternum

Question 26

Insertion of pec major

Answer 26

Crest of the greater tubercle of the humerus ## Footnote Major = greater tubercle

Question 27

Action of pec major

Answer 27

Adduction, medial rotation, flexion, horizontal adduction, extension of shoulder, assist in forced inhalation ## Footnote Add and horizontal adduction, medial rotation to extend shoulder

Question 28

Origin of pec minor

Answer 28

3-5 ribs, adjacent to the costochondral junction ## Footnote 3-5 ribs, adj to costco junction

Question 29

Insertion of pec minor

Answer 29

coracoid process of scapula ## Footnote coracoid is minor to scap

Question 30

Action of pec minor

Answer 30

depression, abduction, anterior tilt, downward rotation, assist in forced inhalation ## Footnote antererir tilt, Abduction, depression, downward rotation (AADD)

Question 31

Origin of subclavius

Answer 31

1st rib and cartilage ## Footnote 1 rib

Question 32

Insertion of subclavius

Answer 32

inferior surface of middle 1/3 of clavicle ## Footnote inferior 1/3 of clavicle

Question 33

Action of subclavius

Answer 33

clavicle depression and elevation of 1st rib ## Footnote depressed clavicle and elevated 1 rib

Question 34

Origin of coracobrachialis

Answer 34

coracoid process of scapula ## Footnote Cora = coracoid

Question 35

Insertion of coracobrachialis

Answer 35

medial/mid shaft of humerus, anterior ## Footnote MM of shaft to anterior

Question 36

Action of coracobrachialis

Answer 36

shoulder flextion and adduction ## Footnote Add flextion