Chapter 5 (Forearm, Elbow, Humerus)

Question 1

The body of the ulna is ______, _______, and _______ ________.

Answer 1

Long, slender, and tapers inferiorly.

Question 2

The upper portion of the ulna is: ______, ______ ________ _______-_______ _______, ________ ________.

Answer 2

Large
Presents two beak-like processes
Concave depressions

Question 3

The proximal process, or olecranon process of the ulna concaves _____ and slightly ________.
Forms the proximal portion of the ________.

Answer 3

Anteriorly and slightly inferiorly

Trochlear notch

Question 4

The more distal coronoid process projects anteriorly from the anterior surface of the body and curves slightly:

The process is triangular and forms the lower portion of the:

Answer 4

superiorly.

Trochlear Notch.

Question 5

A depression called the radial notch is located on the lateral aspect of the:

Answer 5

coronoid process.

Question 6

The distal end of the ulna includes a rounded process on its lateral side called the:

Answer 6

Head

Question 7

Ulnar styloid process is a narrower conic projection on the ________ ________:

Answer 7

posteromedial side.

Question 8

What separates the head of the Ulna from the wrist joint:

Answer 8

Articular disk

Question 9

The proximal end of the radius: ______, _______ ______ ______ _______,above the ________.

Answer 9

Small
Flat disk like head, Above the neck

Question 10

Just inferior to the neck on the medial side of the body of the radius is a roughened process called the:

Answer 10

Radial Tuberosity

Question 11

The distal end of the radius is broad and flattened and has a conic projection on its lateral surface called the:

Answer 11

Radial Styloid Process

Question 12

The arm has one bone called the humerus, which consists of:

Answer 12

a body and two articular ends.

Question 13

The proximal part of the humerus articulates with the:

Answer 13

shoulder girdle.

Question 14

Broad and flattened and presents numerous processes and depressions:

Answer 14

Distal Humerus

Question 15

The entire distal end of the humerus is called the: _______ _______
and includes: ______ _____ ________ for articulation with the forearm bones.

Answer 15

Humeral Condyle
Two smooth elevations

Question 16

The two smooth elevations for articulation with the forearm bones are:

Answer 16

The trochlea on the medial side
The capitulum on the lateral side

Question 17

The medial and lateral epicondyles are Superior to the ______ and are easily ______.

Answer 17

condyle

palpated

Question 18

On the anterior surface superior to the trochlea, a shallow depression, called the:

Receives the coronoid process when the:

Answer 18

Coronoid Fossa

Elbow is flexed

Question 19

Relatively small, receives the radial head when the elbow is flexed

Answer 19

Radial Fossa

Question 20

Lateral to the coronoid fossa and proximal to the capitulum:

Answer 20

Radial Fossa

Question 21

A deep depression found immediately behind the coronoid fossa on the posterior surface and accommodates the olecranon process when the elbow is extended:

Answer 21

Olecranon Fossa

Question 22

The proximal end of the humerus contains:

Answer 22

The head

Question 23

The head of the humerus is: _____, ______, and _______.

Answer 23

Large, smooth, and rounded

Question 24

The head of the humerus lies in an ______ plane on the _______ side.

Answer 24

oblique

superomedial

Question 25

Just below the humerus head, lying in the same oblique plane, is the narrow:

Answer 25

constricted anatomic neck.

Question 26

The constriction of the body just below the tubercles is called the:

Answer 26

Surgical Neck

Question 27

The Surgical Neck is the site of many:

Answer 27

Fractures

Question 28

Situated on the anterior surface of the humerus bone immediately below the anatomic neck:

Answer 28

Lesser Tubercle

Question 29

The tendon of the subscapularis muscle inserts at the:

Answer 29

Lesser Tubercle

Question 30

Located on the lateral surface of the bone just below the anatomic neck:

Answer 30

Greater Tubercle

Question 31

The greater tubercle is separated from the lesser tubercle by a deep depression called the:

Answer 31

Intertubercular groove.

Question 32

The distal and proximal radioulnar articulations are _____ ______ joints.

Answer 32

synovial pivot

Question 33

The distal ulna articulates with the:

Answer 33

Ulnar notch of the distal radius.

Question 34

The proximal head of the radius articulates with the:

Answer 34

Radial notch of the ulna at the medial side.

Question 35

The movements of supination and pronation of the forearm and hand largely result from the combined rotary action of these two joints:

Answer 35

Distal and Proximal radioulnar articulations

Question 36

In ____________, the radius turns medially and crosses over the ulna at its upper third and the ulna makes a slight counter rotation that rotates the _______ medially.

Answer 36

Pronation Humerus

Question 37

Includes the proximal radioulnar articulation and the articulations between the humerus and the radius and ulna:

Answer 37

The elbow joint proper.

Question 38

The trochlea of the humerus articulates with the:

Answer 38

Ulna at the trochlear notch.

Question 39

The Capitulum of the humerus articulates with the flattened head of the:

Answer 39

Radius

Question 40

The humeroulnar and humeroradial articulations form a _______ _______ joint and allow only ______ and ______ movement.

Answer 40

synovial hinge joint flexion and extension movement.

Question 41

The proximal humerus and it’s articulations are described with the:

Answer 41

Shoulder girdle

Question 42

The three areas of fat associated with the elbow joint can only be visualized in the:

Answer 42

Lateral projection

Question 43

The three areas of fat associated with the elbow joint:

Answer 43

Posterior fat pad Anterior fat pad Supinator fat pad

Question 44

Covers the largest area and lies within the olecranon fossa of the posterior humerus:

Answer 44

Posterior fat pad

Question 45

The superimposed coronoid and radial fat pads, which lie in the coronoid and radial fossae of the anterior humerus, form the:

Answer 45

Anterior fat pad

Question 46

Positioned anterior to and parallel with the anterior aspect of the proximal radius:

Answer 46

Supinator fat pad

Question 47

When the elbow is flexed 90 degrees for the lateral projection, only the ______ and ______ fat pads are visible.

Answer 47

Anterior and supinator

Question 48

When the elbow is flexed 90 degrees for the lateral projection, the posterior fat pad is depressed within the:

Answer 48

Olecranon fossa.

Question 49

The anterior fat pad resembles a:

Answer 49

Teardrop

Question 50

Supinator fat pad appears:

Answer 50

Long/thin

Question 51

The fat pads become significant radiographically when an _______ _______ causes effusion and displaces the fat pads or alters their shape.

Answer 51

elbow injury

Question 52

Visualization of the posterior fat pad is a reliable indicator of:

Answer 52

Elbow pathology

Question 53

Exposure factors designed to show soft tissues are extremely important on lateral elbow radiographs because visualization of the fat pads may be:

Answer 53

The only evidence of injury.

Question 54

Identify A:

Answer 54

Olecranon Process

Question 55

Identify B:

Answer 55

Trochlear Notch

Question 56

Identify C:

Answer 56

Radial Head

Question 57

Identify D:

Answer 57

Radial Neck

Question 58

Identify E:

Answer 58

Radial Tuberosity

Question 59

Identify F:

Answer 59

Radial Body

Question 60

Identify G:

Answer 60

Radial Styloid Process

Question 61

Identify H:

Answer 61

Coronoid Process

Question 62

Identify I:

Answer 62

Ulnar Body

Question 63

Identify J:

Answer 63

Ulnar Head

Question 64

Identify K:

Answer 64

Ulnar Styloid Process

Question 65

Identify A:

Answer 65

Humeroradial Joint

Question 66

Identify B:

Answer 66

Radiocarpal Joint

Question 67

Identify C:

Answer 67

Humeroulnar Joint

Question 68

Identify D:

Answer 68

Proximal Radioulnar Joint

Question 69

Identify E:

Answer 69

Distal Radioulnar Joint

Question 70

Identify A:

Answer 70

Coronoid Fossa

Question 71

Identify B:

Answer 71

Medial Epicondyle

Question 72

Identify C:

Answer 72

Trochlea

Question 73

Identify D:

Answer 73

Radial Fossa

Question 74

Identify E:

Answer 74

Capitulum

Question 75

Identify F:

Answer 75

Lateral Epicondyle

Question 76

Identify G:

Answer 76

Olecranon Fossa

Question 77

Identify A:

Answer 77

Humerus

Question 78

Identify B:

Answer 78

Radius

Question 79

Identify C:

Answer 79

Ulna

Question 80

Identify D:

Answer 80

Olecranon Process

Question 81

Identify E:

Answer 81

Medial Epicondyle

Question 82

Identify F:

Answer 82

Trochlea

Question 83

Identify G:

Answer 83

Radial Fossa

Question 84

Identify H:

Answer 84

Capitulum

Question 85

Identify A:

Answer 85

Head

Question 86

Identify B:

Answer 86

Greater Tubercle

Question 87

Identify C:

Answer 87

Lesser Tubercle

Question 88

Identify D:

Answer 88

Body

Question 89

Identify E:

Answer 89

Medial Epicondyle

Question 90

Identify F:

Answer 90

Trochlea

Question 91

Identify G:

Answer 91

Coronoid Fossa

Question 92

Identify H:

Answer 92

Lateral Epicondyle

Question 93

Identify I:

Answer 93

Capitulum