MSK upper extremity

Question 1

What is the primary bone of the upper arm?

Answer 1

Humerus

Question 2

Which joint connects the upper limb to the trunk?

Answer 2

Sternoclavicular joint

Question 3

What is the name of the bony prominence at the distal end of the humerus?

Answer 3

Olecranon

Question 4

True or False: The scapula is part of the upper limb.

Answer 4

True

Question 5

What is the origin of the biceps brachii?

Answer 5

Supraglenoid tubercle and coracoid process of the scapula

Question 6

Which muscle is responsible for shoulder abduction?

Answer 6

Deltoid

Question 7

Fill in the blank: The _____ is the bone of the forearm that is located on the thumb side.

Answer 7

Radius

Question 8

What action is performed by the triceps brachii?

Answer 8

Elbow extension

Question 9

Name the joint formed between the humerus and the scapula.

Answer 9

Glenohumeral joint

Question 10

True or False: The ulna is the larger bone of the forearm.

Answer 10

False

Question 11

What is the insertion of the pectoralis major?

Answer 11

Lateral lip of the bicipital groove of the humerus

Question 12

Which muscle originates from the lateral epicondyle of the humerus?

Answer 12

Extensor carpi radialis brevis

Question 13

What action do the flexor muscles of the forearm primarily perform?

Answer 13

Wrist flexion

Question 14

Fill in the blank: The _____ is a bony landmark of the scapula that serves as an attachment for muscles.

Answer 14

Spine

Question 15

What is the primary function of the rotator cuff muscles?

Answer 15

Stabilization of the glenohumeral joint

Question 16

Which muscle is known for its role in external rotation of the shoulder?

Answer 16

Infraspinatus

Question 17

True or False: The carpal bones are part of the upper arm.

Answer 17

False

Question 18

What is the action of the latissimus dorsi?

Answer 18

Shoulder extension, adduction, and internal rotation

Question 19

Where does the supraspinatus muscle insert?

Answer 19

Greater tubercle of the humerus

Question 20

Which joint allows for the pronation and supination of the forearm?

Answer 20

Proximal radioulnar joint

Question 21

Fill in the blank: The _____ is the main extensor of the wrist.

Answer 21

Extensor carpi radialis longus

Question 22

What is the origin of the brachialis muscle?

Answer 22

Distal half of the anterior surface of the humerus

Question 23

Which bone articulates with the humerus at the elbow joint?

Answer 23

Ulna

Question 24

True or False: The trapezius muscle is involved in shoulder elevation.

Answer 24

True

Question 25

What is the insertion point for the flexor carpi ulnaris?

Answer 25

Pisiform, hook of the hamate, and base of the fifth metacarpal

Question 26

Which muscle is primarily responsible for flexing the elbow?

Answer 26

Biceps brachii

Question 27

What action does the serratus anterior perform?

Answer 27

Protraction of the scapula

Question 28

Fill in the blank: The _____ is the bony landmark where the deltoid muscle originates.

Answer 28

Clavicle

Question 29

What is the primary action of the flexor digitorum profundus?

Answer 29

Flexion of the distal phalanges of the fingers

Question 30

Which muscle originates from the medial epicondyle of the humerus?

Answer 30

Flexor carpi radialis

Question 31

True or False: The humerus has a greater tubercle and a lesser tubercle.

Answer 31

True

Question 32

What is the action of the pronator teres?

Answer 32

Pronation of the forearm

Question 33

Where does the teres major muscle insert?

Answer 33

Medial lip of the bicipital groove of the humerus

Question 34

Fill in the blank: The _____ joint allows for flexion and extension of the elbow.

Answer 34

Hinge

Question 35

What is the origin of the coracobrachialis muscle?

Answer 35

Coracoid process of the scapula

Question 36

Which muscle is responsible for wrist extension?

Answer 36

Extensor carpi ulnaris

Question 37

True or False: The acromion is part of the scapula.

Answer 37

True

Question 38

What is the insertion of the deltoid muscle?

Answer 38

Deltoid tuberosity of the humerus

Question 39

Which muscle aids in shoulder flexion and adduction?

Answer 39

Pectoralis major

Question 40

Fill in the blank: The _____ is a ligament that stabilizes the sternoclavicular joint.

Answer 40

Costoclavicular ligament

Question 41

What action does the extensor digitorum perform?

Answer 41

Extension of the fingers

Question 42

Where does the flexor pollicis longus originate?

Answer 42

Anterior surface of the radius and interosseous membrane

Question 43

True or False: The radial nerve innervates the flexor muscles of the forearm.

Answer 43

False

Question 44

What is the primary function of the anconeus muscle?

Answer 44

Assist in elbow extension

Question 45

Which bony landmark is located on the anterior surface of the scapula?

Answer 45

Subscapular fossa

Question 46

What is the action of the flexor digitorum superficialis?

Answer 46

Flexion of the middle phalanges of the fingers

Question 47

Fill in the blank: The _____ is the muscle that allows for the opposition of the thumb.

Answer 47

Opponens pollicis

Question 48

What is the insertion of the brachioradialis?

Answer 48

Styloid process of the radius

Question 49

True or False: The ulnar nerve innervates the majority of the muscles in the anterior forearm.

Answer 49

False

Question 50

Which muscle originates from the supraspinous fossa?

Answer 50

Supraspinatus

Question 51

What is the action of the subscapularis muscle?

Answer 51

Internal rotation of the shoulder