Shoulder

Question 0

Deltoid insertion

Answer 0

Deltoid tuberosity of humerus

Question 1

Deltoid origin

Answer 1

Spine of the scapula, acromion, lateral 1/3 of clavicle

Question 2

Deltoid innervation

Answer 2

Axillary nerve

Question 3

Deltoid action

Answer 3

Abducts arm; anterior fibers can flex arm, posterior fibers can extend arm

Question 4

Supraspinatus origin

Answer 4

Supraspinous fossa

Question 5

Supraspinatus insertion

Answer 5

Greater tubercle of humerus (superior part)

Question 6

Supraspinatus innervation

Answer 6

Suprascapular nerve

Question 7

Supraspinatus action

Answer 7

Abducts arm

also responsible for initiating abduction

Question 8

Infraspinatus origin

Answer 8

Infraspinous fossa

Question 9

Infraspinatus insertion

Answer 9

Greater tubercle of humerus (middle part)

Question 10

Infraspinatus innervation

Answer 10

Suprascapular nerve

Question 11

Infraspinatus action

Answer 11

Laterally rotates arm

Question 12

Teres minor origin

Answer 12

Lateral border of scapula

upper half

Question 13

Teres minor insertion

Answer 13

Greater tubercle of humerus (inferior part)

Question 14

Teres minor innervation

Answer 14

Axillary nerve

Question 15

Teres minor action

Answer 15

Laterally rotates arm

Question 16

Teres major origin

Answer 16

Lateral border of scapula

lower half and inferior angle

Question 17

Teres major insertion

Answer 17

Anterior side of humerus (medial lip of intertubercular groove)

Question 18

Teres major innervation

Answer 18

Lower subscapular nerve

Question 19

Teres major action

Answer 19

Extends and medially rotates arm

Question 20

Subscapularis origin

Answer 20

Subscapular fossa

Question 21

Subscapularis insertion

Answer 21

Lesser tubercle of humerus

Question 22

Subscapularis innervation

Answer 22

Upper and Lower subscapular nerves

Question 23

Subscapularis action

Answer 23

Adducts and medially rotates arm

Question 24

Pectoralis major origin

Answer 24

Clavicular head: medial ½ of clavicle | Sternocostal head: sternum and adjacent costal cartilages

Question 25

Pectoralis major insertion

Answer 25

Anterior side of humerus (lateral lip of intertubercular groove)

Question 26

Pectoralis major innervation

Answer 26

Medial and Lateral pectoral nerves

Question 27

Pectoralis major action

Answer 27

Flexes, adducts and medially rotates arm

Question 28

Pectoralis minor origin

Answer 28

Ribs 3-5

Question 29

Pectoralis minor insertion

Answer 29

Coracoid process of scapula

Question 30

Pectoralis minor innervation

Answer 30

Medial pectoral nerve

Question 31

Pectoralis minor action

Answer 31

Depresses scapula and assists with protraction

Question 32

Serratus anterior origin

Answer 32

Upper ribs (typically 1-8)

Question 33

Serratus anterior insertion

Answer 33

Medial border of the scapula (anterior side)

Question 34

Serratus anterior innervation

Answer 34

Long thoracic nerve

Question 35

Serratus anterior action

Answer 35

Protracts and laterally rotates scapula