Shoulders and Arms Pt. 2

Question 1

Rhomboid Major and Minor Action

Answer 1

Adduct the scapula
Elevate the scapula
Downwardly rotate the scapula

Question 2

Rhomboid Major Origin

Answer 2

Spinous process of T-2 to T-5

Question 3

Rhomboid Minor Origin

Answer 3

Spinous process of C-7 and T-1

Question 4

Rhomboid Major Insertion

Answer 4

Medial border of the scapula between the spine of the scapula and the inferior angle

Question 5

Rhomboid Minor Insertion

Answer 5

Upper portion of the medial border of the scapula, across from the spine and scapula

Question 6

Levator Scapula Action

Answer 6

Unilaterally:
Elevate the scapula
Downwardly rotate the scapula
Laterally flex the head and neck
Rotate the head and neck to the same side

Bilaterally: Extend the head and neck

Question 7

Levator Scapula Origin

Answer 7

Transverse process of the first through forth cervical vertebrae

Question 8

Levator Scapula Insertion

Answer 8

Medial border of the scapula, between superior angle and superior portion of the spine of the scapula

Question 9

Serratus Anterior Action

Answer 9

Abduct the scapula
Upwardly rotate the scapula
Hold the medial border of the scapula against the rib cage

(With the scapula fixed: May elevate thorax during forced inhalation)

Question 10

Serratus Anterior Origin

Answer 10

External surfaces of upper 8 or 9 ribs

Question 11

Serratus Anterior Insertion

Answer 11

Anterior surface of the medial border of the scapula

Question 12

Pectoralis Major Action: All fibers

Answer 12

Adduct the shoulder
Medially rotate the shoulder
Assist to elevate the thorax during forced inhalation

Question 13

Pectoralis Major Action: Upper fibers

Answer 13

Flex the shoulder
Horizontally adduct the shoulder

Question 14

Pectoralis Major Action: Lower fibers

Answer 14

Extend the shoulder

Question 15

Pectoralis Major Origin

Answer 15

Medial half of the clavicle, sternum, and cartilage of the first through sixth rib

Question 16

Pectoralis Major Insertion

Answer 16

Crest of the greater tubercle of the humerus

Question 17

Pectoralis Minor Action

Answer 17

Depress the scapula
Abduct the scapula
Downwardly rotate the scapula

With the scapula fixed: Assist to elevate the thorax during forced inhalation

Question 18

Pectoralis Minor Origin

Answer 18

Third, fourth, and fifth ribs

Question 19

Pectoralis Minor Insertion

Answer 19

Medial surface of coracoid process of the scapula

Question 20

Subclavius Action

Answer 20

Depress the clavicle and draw it anteriorly
Elevate the first rib (to assist in inhalation)
Stabilize the sternoclavicular joint

Question 21

Subclavius Origin

Answer 21

First rib and cartilage

Question 22

Subclavius Insertion

Answer 22

Inferior surface of the middle one third of the clavicle

Question 23

Bicep Brachii Action

Answer 23

Flex the elbow
Supinate the forearm
Flex the shoulder

Question 24

Bicep Brachii Origin: short and long head

Answer 24

Short head:
Coracoid process of scapula
Long Head:
Supraglenoid tubercle of the scapula

Question 25

Bicep Brachii Insertion

Answer 25

Tuberosity of the radius and aponeurosis of the bicep brachii

Question 26

Tricep Brachii Action: all heads, long heads

Answer 26

All Heads: Extend the elbow Long Head: Extend the shoulder Adduct the shoulder

Question 27

Tricep Brachii Origin: Long, Medial, Lateral

Answer 27

Long head: Infraglenoid tubercle of the scapula Lateral Head: Posterior surface of proximal half of the humerus Medial Head: Posterior surface of distal half of the humerus

Question 28

Is the long head of the Tricep more medial or lateral than the lateral head to the body?

Answer 28

Medial

Question 29

Is the medial head of the tricep positioned anteriorly or posteriorly?

Answer 29

Posteriorly

Question 30

Medial Head of the Tricep location

Answer 30

Deep to the lateral and long head

Question 31

Is the short head of the Bicep more medial or laterally than the long head to the body?

Answer 31

Medial

Question 32

Coracobrachialis Origin

Answer 32

Coracoid process of the scapula

Question 33

Coracobrachialis Insertion

Answer 33

Medial surface of the mid-humeral shaft

Question 34

Coracobrachialis Action

Answer 34

Flex the shoulder Adduct the shoulder