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Terms in this set (80)The anterior surface of the scapula is referred to as the: costal surface. Which of the following bones makes up the shoulder girdle? (1) humerus (2) scapula (3) clavicle 2 & 3 Which term describes the medial end of the clavicle? Sternal extremity The area of the proximal humerus located directly below the tubercles, which is the site of many fractures, is called the surgical neck The large, rounded, elevated process prominently located on the lateral surface of the proximal humerus is the: greater tubercle The small, synovial fluid-filled sacs, which relieve pressure and reduce friction in joint tissues, are called: bursae The articulation between the glenoid cavity and head of the humerus is called the: scapulohumeral joint The scapulohumeral articulation is classified as a: synovial joint, ball and socket type In order to demonstrate the greater tubercle of the humerus on an AP projection of the shoulder, the epicondyles must be: parallel with the plane of the IR The respiration phase for an AP projection of the shoulder should be: suspended For an AP projection of the shoulder, the central ray should enter: 1 inch inferior to the coracoid process For an AP projection of the shoulder with the arm in a neutral position, the epicondyles of the humerus should be: 45 degrees with the plane of the IR For an AP projection of the shoulder with the humerus in internal rotation, the epicondyles of the humerus should be: perpendicular to the plane of the IR When the arm cannot be rotated or abducted due to injury, which of the following can be used to perform a lateral projection of the shoulder? Transthoracic lateral projection, Lawrence
method Where should the center of the IR be positioned for a lateral projection (Transthoracic) of the shoulder? surgical neck If the patient cannot elevate the unaffected shoulder for a transthoracic lateral projection of the shoulder, the central ray should be angled: 10 to 15 degrees How far should the arm be abducted for an inferosuperior projection of the shoulder joint? 90 degrees Which of the following are clearly demonstrated on the inferosuperior axial projection of the shoulder joint? (1) proximal humerus (2) scapulohumeral joint (3) acromioclavicular articulation all? The PA oblique projection of the shoulder joint (scapular Y) is performed in which of the following positions? RAO or LAO PA oblique projection of the shoulder (scapular Y) is performed to evaluate: dislocations For the PA oblique projection (scapular Y) of the shoulder, the body is rotated so that the midcoronal plane is how many degrees from the IR? 45 to 60 degrees Which of the following projections clearly demonstrates the glenoid cavity? AP oblique (Grashey) How many degrees is the body rotated for the AP oblique projection (Grashey method) of the shoulder joint? 35 to 45 degrees toward the affected side Two exposures are commonly made of the AC joints—one without weights and one with weights. How are the weights applied? affixed to the wrists In an image of an AP axial projection of the clavicle, the clavicle should be demonstrated with: (1) most of the clavicle projected above the ribs (2) only the lateral end superimposing the coracoid process (3) only the medial end superimposing the first or second ribs 1 & 3 To obtain a more uniform image density, the respiration phase for the AP projection of the clavicle should be: suspended respiration [expiration] In order to elevate the clavicle above the ribs and scapula for the AP axial projection, the phase of respiration should be: Full inspiration [suspend after] The central-ray angle for an AP axial projection of the clavicle when performed on a patient in the supine position is: 15 to 30 degrees When the patient is positioned properly for a lateral projection of the scapula, the body of the scapula will be: perpendicular? Shoulder gridle is made by & it's function -by 2 bones What is not apart of the shoulder gridle? -the humerus, it is the upper limb Clavicle -long bone Lateral aspect of clavicle? -acromial extremity Medial Aspect of clavicle -sternal extremity Scapula -flat bone Medial border of scapula -runs parallel with vertebral column Flat aspect of scapula lies how many degrees in relation to anatomic position? 45 to 60 degrees Costal [anterior] surface of scapula -slightly concaved & subscapular fossa dorsal [posterior] surface of scapula -divided into 2 portions by spinous process Crest of the spine -superior third of medial border Acromion - Superior border of scapula -superior angle of coracoid process & its lateral end has deep depression scapular notch Medial border Scapula -superior to inferior angles Lateral border Scapula -from glenoid cavity to inferior angle Superior angle scapula -formed by superior & medial borders Inferior angle scapula -formed by medial and lateral borders Lateral angle scapula -thickest part of body Glenoid cavity ... What is common positioning landmarks for shoulder? -acromion Proximal end of humerus -head, anatomic neck, 2 prominent process [greater/lesser tubercles], and surgical neck What is below the tubercles on the humerus? -surgical neck Lesser tubercle -anterior surface of humerus Greater tubercle -lateral surface of bone bursae -small synovial fluid filled sacs that relieve pressure & reduce friction Scapulohumeral joint -AKA glenohumeral joint
Acromioclavicular joint -AC articulation Sternoclavicular joint -SC articulation AP shoulder? [external, internal, neutral] -shoulder joint to center of IR AP shoulder ? [external rotation] -supinate hand AP humerus [neutral] -epicondyles at 45 angle to IR AP humerus [internal rotation] -flex elbow &
rotate arm internal AP oblique projection [glenoid cavity] [grashey method] -PT in RPO or LPO Transthoracic Lateral projection Shoulder [Lawerence] -Right or left Transthoracic Lateral projection shoulder [Lawerence] CR, shown, criteria -CR: perpendicular to IR, entering midcoronal plane at surgical neck Shoulder joint [inferosuperior axial projection] lawerence method -abduct arm of affected at 90 degrees but at least 20 Shoulder joint [inferosuperior axial projection] lawerence method {shown, criteria} -SHOWS: proximal humerus, scapulohumeral joint, lateral portion of coracoid process & AC joint, greater & lesser tubercles? Shoulder Y [PA oblique projection] -RAO or LAO Shoulder Y [shown, criteria] -SHOWN: humeral head directly superimposed over junction of the Y Anterior dislocation shown on Y -subcoracoid dislocation Posterior dislocation of shoulder -shown in Y AC joints AP projection
-bilateral exam AC joints AP projection [SHOWN, CRITERIA] -SHOWN: AC joints and if there is any dislocation, separation, and function of joints AP clavicle -Crosswise 10 x 12 AP clavicle [shown, criteria] -shows
frontal image of clavicle AP axial Clavicle -crosswise 10 x 12 AP axial clavicle [shows, criteria] -shows: axial image of clavicle above ribs AP scapula -10 x 12 lengthwise AP scapula [shows, criteria] -Shows AP scapula Lateral scapula -RAO or LAO on affected side Lateral scapula [shows, criteria] -SHOWS: lateral scapula Recommended textbook solutions
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