Arm, Forearm, Hand

Question 1

What is another word for the dorsal tubercle of the radius?

Answer 1

Lister’s Tubercle

Question 2

In the humeroradial joint, the ___________ of the ulna articulates with the head of the radius.

Answer 2

Capitulum

Question 3

T/F: The head of the radius articulates with the radial notch of the ulna in the distal radioulnar joint.

Answer 3

False: this is the proximal radioulnar joint.

Question 4

The head of the radius is able to move against the ulna

because the head rotates within the ring formed by the ___________ ligament.

Answer 4

Annular

Question 5

Preschool kids can get a ‘_____________’ from forceful traction of the pronated forearm

Answer 5

Slipped elbow

Question 6

What movement is performed by Coracobrachialis along a frontal plane?

Answer 6

G-H adduction

Question 7

The tendon of biceps brachii (long head) has a sheath to protect it from the _____________ ligament which holds the tendon in place during contraction/movement.

Answer 7

transverse humeral ligament

Question 8

T/F: when the forearm is supinated, the biceps wraps more than 1⁄2 way around the radius.

Answer 8

False: This is true when the forearm is pronated.

Question 9

Which muscle is the prime mover for elbow flexion when the elbow is in a pronated position?

Answer 9

Brachialis

Question 10

Which muscle has an origin at the infraglenoid tubercle?

Answer 10

Triceps brachii (long head)

Question 11

Which muscle technically part of the forearm but is functionally related to the triceps?

Answer 11

Anconeus

Question 12

The hand has __ bones, whereas the foot has __

Answer 12

Hand: 27
Foot: 26

Question 13

Which carpal bone is boat-shaped and most commonly fractured?

Answer 13

Scaphoid

Question 14

Which carpal bone is moon-shaped and most commonly dislocated?

Answer 14

Lunate

Question 15

Which carpal bone is pyramid-shaped?

Answer 15

Triquetrum

Question 16

Which carpal bone is pea shaped and considered a sesamoid bone because it’s completely surrounded by a tendon?

Answer 16

Pisiform

Question 17

Which carpal bone articulates with the third metacarpal bone?

Answer 17

Capitate

Question 18

Which carpal bone is easily identified by its anterior projection?

Answer 18

Hamate

Question 19

the flexor retinaculum attaches laterally to the tubercles of the a) and medially to the b)

Answer 19

a) scaphoid and trapezium

b) hook of the hamate and pisiform

Question 20

Which carpal bones articulate with the articular disc of the distal radioulnar joint?

Answer 20

The scaphoid, lunate, and triquetrum

Question 21

What type of joint is the midcarpal joint?

Answer 21

Synovial plane joint

Question 22

What type of joint is the ulnomeniscotriquetral joint?

Answer 22

A “functional” joint

Question 23

Which carpal joint articulates with the base of the 1st metacarpal? What type of joint is it?

Answer 23

The trapezium. It’s a saddle joint.

Question 24

What type of joints are the 2nd-5th carpometacarpal joints ?

Answer 24

Plane joints.

Question 25

What types of joints are the intermetacarpal joints?

Answer 25

Synovial plane

Question 26

Between the heads of the medial 4 metacarpals is the ___________________ (this hold the heads together).

Answer 26

deep transverse metacarpal ligament

Question 27

The metacarpophalangeal joints are this type of joint.

Answer 27

Condoloyd

Question 28

The interphalangeal joints are this type of joint.

Answer 28

Hinge

Question 29

The dividing line between the flexor-pronator and the extensor-supinator groups of the forearm is the _______________________

Answer 29

posterior border of the ulna

Question 30

The common flexor tendon (CFT) attaches to the _________________ of the humerus

Answer 30

Medial epicondyle

Question 31

Strong connective tissue (CT) that covers the palm of the hand

Answer 31

Palmar aponeurosis

Question 32

Pronator teres, flexor carpi radialis (FCR), palmaris longus and flexor carpi ulnaris (FCU) are part of the _____________ layer of the anterior forearm

Answer 32

superficial

Question 33

The radial (brachial) artery is just lateral to this forearm muscle.

Answer 33

Flexor carpi radialis

Question 34

If palmaris longus is missing, which two muscles compensate?

Answer 34

Flexor carpi radialis and flexor carpi ulnaris

Question 35

The ulnar nerve passes between the 2 heads of this muscle

Answer 35

Flexor carpi ulnaris

Question 36

Flexor digitorum superficialis is part of the _____________ layer of the anterior forearm.

Answer 36

Intermediate

Question 37

T/F: The muscles of the deep layer of the anterior forearm all attach proximally to the humerus.

Answer 37

False, none of them do.

Question 38

The tendons of which muscle pierce the Flexor Digitorum Superficialis because it is a longer muscle

Answer 38

Flexor digitorum profundus

Question 39

In which layer of the anterior forearm is pronator quadratus found?

Answer 39

The deep layer.

Question 40

Flexor digitorum superficialis, flexor digitorum profundus, flexor pollicis longus and the median nerve all pass through this structure.

Answer 40

The carpal tunnel.

Question 41

the extensor tendons at the wrist pass under the __________________

Answer 41

extensor retinaculum

Question 42

The common extensor tendon (CET) which attaches to the __________________ of the humerus

Answer 42

lateral epicondyle

Question 43

The WAD of 3 consists of:

Answer 43

● Brachioradialis ● Extensor carpi radialis longus ● Extensor carpi radialis brevis

Question 44

Abductor pollicis longus and extensor pollicis brevis form the borders of the _______________

Answer 44

Anatomical snuffbox

Question 45

Which intrinsic hand muscle forms the bulk of the thumb web space on the anterior surface opposite the first dorsal interosseous on the posterior surface.

Answer 45

Adductor pollicis