radiographic positioning and related Anatomy exam questions and answers fully solved
AC Jt. Separation/dislocation - AnswersSeparation:
Trauma to the upper shoulder region resulting in partial or complete tear of the
acromioclavicular or coracoclavicular ligament or both ligaments (can be anteriorly)
Dislocation:
injury in which the distal clavicle usually is displaced superiorly
Hill-Sachs defect - AnswersA compression fracture of the articular surface of the posterolateral
aspect of the humeral head
Bankart lesion - Answerslesion of the anteoinferior aspect of the glenoid labrium this type of
injury is often caused by anterior dislocation of the proximal humerus (scapula)
Osteoarthritis - Answersalso called degenerative jt. disease is a non-inflammatory joint disease
characterized by gradual deterioration of the articular cartilage with hypertrophic bone
formation most common type of arthritis
Osteoporosis - Answersosteoporosis and resultant fractures are due to a reduction in the
quantity of the bone or atrophy of skeletal tissue bony trabeculae is scanty and thin
Shoulder Discoration - Answerstraumatic removal of humeral head from the glenoid cavity 95%
of these dislocation are anterior
Coronoid fossa is... - Answersan anterior shallow depression
Capitulum is the cap on the rad so on which side is the capitulum? - Answersthe radial side
what projection do we palpate the medial and lateral epicondyles? - AnswersAP they need to be
parallel
Lateral they need to be perpendicular
Which projection can you best view olecranon? - AnswersLateral
Olecranon process is fracture often as a... - Answersfall (off the monkey bars)
for the lateral elbow you flex the arm and you can see the ____________ and ____________ -
Answerscoronoid process and the radial head
What 3 things do we recognize for a true lateral - AnswersThe three concentric arcs
What are the three concentric arcs? - Answers1. trochlear sulcus
2. outer ridges of capitulum and trochlea
,3. trochlear notch of ulna
Which one is smaller capitulum or trochlea - Answerscapitulum
Which one of the three concentric arcs is the smallest? - AnswersTrochlear sulcus
Shoulder the sea between 2 nations
mandible
elbow - Answerscoracoid
coronoid
coronoid
Head of the radius sits lower than the ulna true or false - Answerstrue
the capitulum is of which bone - Answershumerus
the capitulum is on which side of the humerus - Answerslateral
Elbow fat pads and stripes demonstrates - Answers- displacement
- disease
- injury
The humerus is the largest and longest bone in the upper extremity true or false - Answerstrue
Elbow joint - AnswersElbow joint
- Ginglymus (hinge)
- flexion and extension
Proximal radioulnar joint
- Trochidal (pivot) type
- rotational
Synovial (diarthrodial) which mean freely moveable
Greater tubercle (tuberosity) - Answers- muscles attach (supraspinatus and pec major)
- proximal humerus
Shoulder Joint - Answers- proximal humerus
- scapulae
, Intertubular groove (bicipital groove) - Answers- between greater and lesser tubercle
surgical neck - Answerscommon fracture site of humerus
head of the humerus - Answers
Anatomic neck - Answersit's higher than surgical neck (A before S)
Lesser tubercle (tuberosity) - AnswersThe process directly below the anatomic neck on the
anterior surface
Deltoid Tuberosity - Answers- rough raised triangle
- muscle attachment of the deltoid
body (shaft) of humerus - Answers
clavicle medial end - Answers- sternoclavicular jt
- sternal extremity
clavicle lateral end - Answers- also called the acromial extermity
- AC jt
What is the clavicle? - AnswersLong bone that is double curved
Female: Shorter and less curved
Male: Thicker and more curved
How do you know in a film if that its AP External Rotation of the Shoulder? - Answersprofiles the
greater tubercle
- the epicondyles are parallel (anatomical position) to make the greater tubercle in profile
Bony Processes of the clavicle - Answers- Sternal end (medial extremity)
- Acromial end (lateral extremity)
- Shaft or Body
What are the 3 borders of the scapula? - Answerssuperior, medial (vertebral), lateral (axillary)
Lateral angle (head of scapula) is the... - Answersthickest part and ends laterally in a shallow
depression called the glenoid cavity (fossa)
Name the 3 angles of the scapula - Answerslateral, superior, inferior
AC Jt. Separation/dislocation - AnswersSeparation:
Trauma to the upper shoulder region resulting in partial or complete tear of the
acromioclavicular or coracoclavicular ligament or both ligaments (can be anteriorly)
Dislocation:
injury in which the distal clavicle usually is displaced superiorly
Hill-Sachs defect - AnswersA compression fracture of the articular surface of the posterolateral
aspect of the humeral head
Bankart lesion - Answerslesion of the anteoinferior aspect of the glenoid labrium this type of
injury is often caused by anterior dislocation of the proximal humerus (scapula)
Osteoarthritis - Answersalso called degenerative jt. disease is a non-inflammatory joint disease
characterized by gradual deterioration of the articular cartilage with hypertrophic bone
formation most common type of arthritis
Osteoporosis - Answersosteoporosis and resultant fractures are due to a reduction in the
quantity of the bone or atrophy of skeletal tissue bony trabeculae is scanty and thin
Shoulder Discoration - Answerstraumatic removal of humeral head from the glenoid cavity 95%
of these dislocation are anterior
Coronoid fossa is... - Answersan anterior shallow depression
Capitulum is the cap on the rad so on which side is the capitulum? - Answersthe radial side
what projection do we palpate the medial and lateral epicondyles? - AnswersAP they need to be
parallel
Lateral they need to be perpendicular
Which projection can you best view olecranon? - AnswersLateral
Olecranon process is fracture often as a... - Answersfall (off the monkey bars)
for the lateral elbow you flex the arm and you can see the ____________ and ____________ -
Answerscoronoid process and the radial head
What 3 things do we recognize for a true lateral - AnswersThe three concentric arcs
What are the three concentric arcs? - Answers1. trochlear sulcus
2. outer ridges of capitulum and trochlea
,3. trochlear notch of ulna
Which one is smaller capitulum or trochlea - Answerscapitulum
Which one of the three concentric arcs is the smallest? - AnswersTrochlear sulcus
Shoulder the sea between 2 nations
mandible
elbow - Answerscoracoid
coronoid
coronoid
Head of the radius sits lower than the ulna true or false - Answerstrue
the capitulum is of which bone - Answershumerus
the capitulum is on which side of the humerus - Answerslateral
Elbow fat pads and stripes demonstrates - Answers- displacement
- disease
- injury
The humerus is the largest and longest bone in the upper extremity true or false - Answerstrue
Elbow joint - AnswersElbow joint
- Ginglymus (hinge)
- flexion and extension
Proximal radioulnar joint
- Trochidal (pivot) type
- rotational
Synovial (diarthrodial) which mean freely moveable
Greater tubercle (tuberosity) - Answers- muscles attach (supraspinatus and pec major)
- proximal humerus
Shoulder Joint - Answers- proximal humerus
- scapulae
, Intertubular groove (bicipital groove) - Answers- between greater and lesser tubercle
surgical neck - Answerscommon fracture site of humerus
head of the humerus - Answers
Anatomic neck - Answersit's higher than surgical neck (A before S)
Lesser tubercle (tuberosity) - AnswersThe process directly below the anatomic neck on the
anterior surface
Deltoid Tuberosity - Answers- rough raised triangle
- muscle attachment of the deltoid
body (shaft) of humerus - Answers
clavicle medial end - Answers- sternoclavicular jt
- sternal extremity
clavicle lateral end - Answers- also called the acromial extermity
- AC jt
What is the clavicle? - AnswersLong bone that is double curved
Female: Shorter and less curved
Male: Thicker and more curved
How do you know in a film if that its AP External Rotation of the Shoulder? - Answersprofiles the
greater tubercle
- the epicondyles are parallel (anatomical position) to make the greater tubercle in profile
Bony Processes of the clavicle - Answers- Sternal end (medial extremity)
- Acromial end (lateral extremity)
- Shaft or Body
What are the 3 borders of the scapula? - Answerssuperior, medial (vertebral), lateral (axillary)
Lateral angle (head of scapula) is the... - Answersthickest part and ends laterally in a shallow
depression called the glenoid cavity (fossa)
Name the 3 angles of the scapula - Answerslateral, superior, inferior
