Brachium POINA

Question 1

Subclavius Purposeful Action

Answer 1

Gets tight wearing shoulder sling

Question 2

Subclavius Main Action

Answer 2

Depresses and anchors clavicle

Question 3

Subclavius Proximal Attachment

Answer 3

Junction of first rib and costal cartilage

Question 4

Subclavius Distal Attachment

Answer 4

Inferior surface of middle clavicle

Question 5

Subclavius Innervation

Answer 5

Nerve to subclavius (C5-6)

Question 6

Anterior Scalene Purposeful Action

Answer 6

Driving, deep breathing with exertion (running or cycling)

Question 7

Anterior Scalene Main Action

Answer 7

-Flex neck laterally
-Elevates first rib during forced inhalation

Question 8

Anterior Scalene Superior Attachment

Answer 8

TP of C3-6 (anterior tubercles)

Question 9

Anterior Scalene Inferior Attachment

Answer 9

1st rib

Question 10

Anterior Scalene Innervation

Answer 10

Cervical spinal C4-C6

Question 11

Middle Scalene Similarities With Anterior

Answer 11

Same purposeful action, action, and inferior attachment

Question 12

Middle Scalene Superior Attachment

Answer 12

TP of C5-C7 (posterior tubercles)

Question 13

Middle Scalene Innervation

Answer 13

Anterior rami of cervical spinal nerves

Question 14

Posterior Scalene Purposeful Action

Answer 14

Driving, deep breathing with exertion

Question 15

Posterior Scalene Main Action

Answer 15

-Flex the neck laterally
-Elevate second rib during forced inhalation

Question 16

Posterior Scalene Superior Attachment

Answer 16

TP of C5-C7 (posterior tubercles)

Question 17

Posterior Scalene Inferior Attachment

Answer 17

External border of 2nd rib

Question 18

Posterior Scalene Innervation

Answer 18

Anterior rami of cervical spinal nerves C7-C8

Question 19

Biceps Brachii Purposeful Action

Answer 19

Combing hair, eating apple, washing face (elbow flexion with forearm supinated)

Question 20

Biceps Brachii Main Action

Answer 20

-Supinates forearm
-Flexes forearm
-Short head: resists shoulder dislocation

Question 21

Biceps Brachii Proximal Attachment

Answer 21

-Short head: coracoid process
-Long head: supraglenoid tubercle and labrum

Question 22

Biceps Brachii Distal Attachment

Answer 22

Radial tuberosity and fascia of forearm via bicipital aponeurosis

Question 23

Biceps Brachii Innervation

Answer 23

Musculocutaneous nerve (C5-C7)

Question 24

Coracobrachialis Purposeful Action

Answer 24

Place groceries in a refrigerator, carry a laundry basket

Question 25

Coracobrachialis Main Action

Answer 25

-Flex shoulder -Adduct shoulder -Resist dislocation of shoulder

Question 26

Coracobrachialis Proximal Attachment

Answer 26

Coracoid process

Question 27

Coracobrachialis Distal Attachment

Answer 27

Middle third of medial surface of humerus

Question 28

Coracobrachialis Innervation

Answer 28

Musculocutaneous nerve (C5-C7)

Question 29

Brachialis Purposeful Action

Answer 29

Eating soup, brushing teeth (elbow flexion with the forearm pronated)

Question 30

Brachialis Main Action

Answer 30

Flexes elbow in all positions (humeolnar joint)

Question 31

Brachialis Proximal Attachment

Answer 31

Distal half of anterior surface of humerus

Question 32

Brachialis Distal Attachment

Answer 32

Ulnar tuberosity and coronoid process

Question 33

Brachialis Innervation

Answer 33

Musculocutaneous nerve (C5-6) and small branch from radial (C5 and C7)

Question 34

Brachioradialis Purposeful Action

Answer 34

Hammering a nail, playing drum (elbow flexion with the forearm in neutral)

Question 35

Brachioradialis Main Action

Answer 35

-Flex elbow in midpronated position (humerolnar joint, thumb up) -Assist to pronate and supinate the forearm when these movements are resisted/from end range (humeroradial joint)

Question 36

Brachioradialis Proximal Attachment

Answer 36

Proximal 2/3rds of lateral supracondylar ridge of humerus

Question 37

Brachioradialis Distal Attachment

Answer 37

Lateral surface of distal end of radius proximal to styloid process

Question 38

Brachioradialis Innervation

Answer 38

Radial nerve (C5-C7)

Question 39

Triceps Brachii Purposeful Action

Answer 39

Transfers (pushing up from arms of chair)

Question 40

Triceps Brachii Main Action

Answer 40

-Chief extensor of forearm/elbow -Long head: resist dislocation of humerus, especially during adduction

Question 41

Triceps Brachii Proximal Attachment

Answer 41

-Long head: infraglenoid tubercle -Lateral head: posterior surface of humerus, superior to radial groove -Medial head: posterior surface of humerus, inferior to radial groove

Question 42

Triceps Brachii Distal Attachment

Answer 42

Olecranon of ulna

Question 43

Triceps Brachii Innervation

Answer 43

Radial nerve (C6-C8)