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Chapter 6-Humerus..

Chapter 6-Humerus and Shoulder Girdle-Positioning Workbook

QuestionAnswer
The shoulder girdle consists of.... Proximal Humerus, Scapula, Clavicle
The three aspects of the clavicles are the... Sternal Extremity, Body (shaft), Acromial Extremity
The....(male or female) clavicle tends to be thicker and more curved in shape. Male
The three angles of the scapula include the... Lateral Angle, Superior Angle, Inferior Angle
The anterior surface of the scapula is referred to as the....surface. Costal
What is the anatomic name for the armpit? Axilla
What are the names of the two fossae located on the posterior scapula? Infraspinous fossa, Supraspinous fossa
All the joints of the shoulder girdle are classified as being... Synovial (diathrodial)
List the movement types for the following joint...Scapulahumeral Spheroidal
List the movement types for the following joint...Sternoclavicular Plane
List the movement types for the following joint...Acromioclavicular Plane
Match each of the following anatomic structures with its correct location...Greater Tubercle Proximal Humerus
Match each of the following anatomic structures with its correct location...Coracoid Process Scapula
Match each of the following anatomic structures with its correct location...Crest of Spine Scapula
Match each of the following anatomic structures with its correct location...Coronoid Process Not a part of the shoulder girdle
Match each of the following anatomic structures with its correct location...Acromial Extremity Clavicle
Match each of the following anatomic structures with its correct location...Intertubercular Groove Proximal Humerus
Match each of the following anatomic structures with its correct location...Condylar Process Not a part of the shoulder girdle
Match each of the following anatomic structures with its correct location...Surgical Neck Proximal Humerus
Identify the correct proximal humerus rotation for each of the following...Greater tubercle profiled laterally External rotation
Identify the correct proximal humerus rotation for each of the following...Humeral epicondyles perpendicular to IR Neutral rotation
Identify the correct proximal humerus rotation for each of the following...Epicondyles perpendicular to IR Internal rotation
Identify the correct proximal humerus rotation for each of the following...Supination of hand External rotation
Identify the correct proximal humerus rotation for each of the following...Palm of hand against thigh Neutral rotation
Identify the correct proximal humerus rotation for each of the following...Epicondyles parallel to IR External rotation
Identify the correct proximal humerus rotation for each of the following...Lesser tubercle profiled medially Internal rotation
Identify the correct proximal humerus rotation for each of the following...Proximal humerus in a lateral position internal rotation
Identify the correct proximal humerus rotation for each of the following...Proximal humerus in position for an anteroposterior (AP) projection External rotation
The use of a grid is not required for shoulders that measure less than 10 cm (T or F) True
The kV range for adult shoulder projections is between 80 and 90 kV (T or F) False
Low mA with short exposure time should be used for adult shoulder studies (T or F) False
Large focal spot setting should be selected for most adult shoulder studies (T or F) False
A high-speed screen-IR system is recommended for shoulder studies when using a grid (T or F) True
A 72 inch SID is recommended for most shoulder girdle studies (T or F) False
The gonadal dose for most shoulder projections is 0.1 mrad or less (T or F) True
The use of contact shields over the breast, lung and thyroid regions is recommended for most shoulder projections (T or F) True
Which kV range should be used for a shoulder series on an average adult? 70-80 kV
If physical immobilization is requires, which individual should be asked to retrain a child for a shoulder series? Parent or guardian
CT arthrography of the shoulder joint requires the use of iodine contrast media injected into the joint space (T or F) True
MRI is an excellent modality for demonstrating non-displaced fractures of the shoulder girdle (T or F) False
Nuclear medicine bone scans can demonstrate signs of osteomyelitis and cellulitis True
Radiography is more sensitive than nuclear medicine for demonstrating physiologic aspects of the shoulder girdle (T or F) False
Ultrasound can provide a function (dynamic) evaluation of joint movement than MRI cannot (T or F) True
Compression between the greater tuberosity and soft tissues on the coracoacromial ligamentous and osseous arch Impingement syndrome
Injurty of the anteroinferior glenoid labrum Bankark lesion
Inflammatory condition of the tendon Tendonitis
Superior displacement of the distal clavicle Acromioclavicular joint dislocation
Compression fracture of the articular surface of the humeral head Hill-Sachs defect
Traumatic injury to one or more of the supportive muscles of the shoulder girdle Rotator cuff tear
Atrophy of skeletal tissue Osteoporosis
Subacromial spurs Impingement syndrome
Fluid-filled joint space Bursitis
Tiny bony cortex Osteoporosis
Abnormal widening of acromioclavicular joint space Acromioclavicular joint separation
Calcified tendons Tendonitis
Avulsion fracture of the glenoid rim Bankart Lesion
Narrowing of joint space Osteoarthritis
Closed joint space Rheumatoid arthritis
Compression fracture of humeral head Hill-Sachs defect
Which one of the following pathologic indications requires a decrease in manual exposure factors? Osteoporosis
Which two basic shoulder projections are routinely taken for a shoulder (with no traumatic injury) and proximal humerus? AP external rotation, AP internal rotation
Specifically, where is the CR placed for an AP projection of the shoulder? To midscapulohumeral joint, 3/4 inch inferior and lateral to coracoid process
Which lateral projection can be performed to demonstrate the entire humerus for a patient with a mid-humeral fracture? Transthoracic lateral projection for humerus
To best demonstrate a possible Hill-Sachs defect, which additional positioning technique can be added to the inferosuperior axial projection? Rotate affected arm externally 45 degree
What type of central ray angulation is required for the inferosuperior axial projection of the shoulder? 25 to 30 degrees medially
The....projection of the shoulder produces an image of the glenoid process in profile. This projection is also referred to as the ...... AP oblique. Grashey method
Which one of the following projections produces a trangential projection of the intertubercular groove? Tangential prjection (Fisk modification)
The supine version of the trangential projection for the intertubercular groove requires that the CR be angled ....posteriorly from the horizontal plane. 10-15 degrees
Which one of the following projections would be best for demonstrating a possible dislocation of the proximal humerus? Scapular Y
The.....projection is the special projection of the shoulder that best demonstrates the acromiohumeral space for possible subacromial spurs, which create shoulder impingement symptoms. This projection is also referred to as the...method. Suprapinatus outer tangential projection. Neer Method
Which of the following nontrauma projections can be performed erect to provide a lateral view of the proximal humerus in relationship to the glenohumerual joint? Superoinferior axial projection (Hobbs modification)
How much is the CR angled for the infersuperior axial projection (Clements modification) if the patient cannot fully abduct the arm 90 degrees? 5 - 15 degrees
What CR angle is required for the AP axial projection (Alexander method) for AC joints? 15 cephalad
The superoinferior axial projections (Hobbs modification) requires no CR angle (T or F) True
The transthoracic lateral projection can be performed for possible fractures or dislocation of the proximal humerus (T or F) True
The use of a breathing technique is recommended for the transthoracic lateral humerus projection (T or F) True
The affected arm must be placed into external rotation for the transthoracic lateral projection (T or F) False
A CR angle 10-15 degrees caudad may be used for the transthoracic lateral projection if the patient is unable to elevate the uninjured arm and shoulder sufficiently (T or F) False
The scapular Y lateral (anterior oblique) position requires the body to be rotated 45-60 anteriorly toward the affected side (T or F) True
Which one of the following should projections delivers the greatest skin dose to the patient? Transthoracic lateral
Which of the following requires the smallest thyroid dose? Scapular Y lateral
Which of the following would result in the highest thyroid dose? Transthoracic lateral
A posterior dislocation of the humerus projects the humeral head....to the glenoid cavity with the special projection described in the previous question Superior
A thin-shouldered patient requires...CR angle for an AP axial clavicle projection than a large-shouldered patient. More
What must be ruled out before performing the weight-bearing study for acromioclavicular joints? fracture of clavicle
Inferosuperior Axial Lawrence method
AP oblique for glenoid cavity Grashey method
Tangential for intertubercular groove Fisk modification
Supraspinatus outlet tangential Neer method
Transthoracic lateral Lawrence method
AP apical oblique axial Garth method
A patient with a possible Bankart lesion comes to the radiology department. List three projections that can be performed that may demonstrate signs of injury? AP internal rotation, Scapular Y lateral, Posterior oblique (grashey method)
A patient with a possible rotator cuff tear comes to the radiology department. Which one of the following imaging modalities would best demonstrate this injury? MRI
A patient with a clinical history of tendon injury in the shoulder region comes to the radiology department. Which of the following modalities would best demonstrate the injury? Ultrasound
Created by: brahoi
 

 



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