Shoulder Muscle Anatomy

Question 1

Insertion of biceps brachii

Answer 1

Radial tuberosity

Question 2

Whats the origin of the coracobrachialis?

Answer 2

Coracoid process

Question 3

Insertion of the Triceps Brachii

Answer 3

Ulnar Olecranon process

Question 4

The supraspinatus, infraspinatus and teres minor all insert into the ___

Answer 4

Greater tubercle of the humerus

Question 5

Which 2 SITS muscles have the same action?

Answer 5

Infraspinatus and teres minor

Question 6

What muscle does shoulder abduction and stabilizes the humerus?

Answer 6

Supraspinatus

Question 7

The subscapularis does what?

Answer 7

Internal/medial rotation and stabilizes the humerus

Question 8

Teres minor origin?

Answer 8

Lateral border of scapula

Question 9

Which 2 muscles are responsible for medial rotation, extension, and adduction of the shoulder?

Answer 9

Teres Major and lattimus dorsi

Question 10

Teres Major and lattimus dorsi inserts in the___

Answer 10

Intertubercular groove

Question 11

The serratus anterior inserts on the ___

Answer 11

Anterior medial border of scapula

Question 12

Which muscle is responsible for protraction of the shoulder and rib elevation during forced inhalation?

Answer 12

Serratus anterior

Question 13

Which muscles are responsible for shoulder retraction?

Answer 13

Rhomboids

Question 14

The levator scapula does what?

Answer 14

Elevates scapula

Question 15

The levator scapula inserts on the___

Answer 15

Superior angle of scapula

Question 16

Pectoralis Major does what?

Answer 16

Medially rotate and adduct shoulder

Question 17

Pectoralis minor inserts on the

Answer 17

Coracoid process

Question 18

What muscle protracts the scapula and assists during forced inhalation?

Answer 18

Pectoralis minor

Question 19

Pectoralis Major inserts in to the___

Answer 19

Bicepital groove of the humerus

Question 20

What muscle inserts on the lateral clavicle, acromion, and spine of the scapula?

Answer 20

Trapezius

Question 21

The rhomboid major and minor insert on the___

Answer 21

Medial border of scapula

Question 22

The rhomboid major muscle is superior to the rhomboid minor?

Answer 22

False

Question 23

The teres minor is inferior to the teres Major?

Answer 23

False

Question 24

Where does the supraspinatus originate?

Answer 24

Supraspinous fossa

Question 25

Where does the subscapularis originate?

Answer 25

Sub-scapular fossa

Question 26

Where does the subscapularis insert?

Answer 26

Lesser tubercle of the humerus

Question 27

Where does the infraspinatus originate?

Answer 27

Infraspinous fossa

Question 28

The deltoid muscle inserts into___

Answer 28

Deltoid tuberosity

Question 29

Deltoid action

Answer 29

Flex, extend, and horizontally abduct/adduct the shoulder

Question 30

Pectoralis minor originates on__

Answer 30

Ribs 3-5

Question 31

What muscle originates on the medial clavicle, sternum and intercostal cartilage of ribs 1-6

Answer 31

Pectoralis Major

Question 32

Where does the trapezius originate

Answer 32

Occipital protuberance, spinous process C7-T12

Question 33

Where do the rhomboid muscles originate?

Answer 33

Spinous processes C7-T5

Question 34

What's the short head of the biceps brachii

Answer 34

Coracoid process of scapula

Question 35

What's the long head of the biceps brachii

Answer 35

Supraglenoid tubercle