Term
| what is the most mobile, least stable joint in the body? |
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Definition
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Term
| what tissues outside the shoulder can cause shoulder pain? |
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Definition
| cervical spine; internal organs; chest tissues |
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Term
| what internal organs can cause shoulder pain? |
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Definition
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Term
| what screen should you always do when someone has a shoulder problem? |
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Definition
| cervical screen (unless you absolutely know that cervical spine is not involved) |
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Term
| things to think about with shoulder pain |
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Definition
| posture, function, aggravating and easing factors, which part of the shoulder complex is affected |
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Term
| what to think about with function |
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Definition
| when/where does pain occur; does pt often have arm in specific position; function they've lost helps set goals |
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Term
| does the sternoclavicular joint have a disc? |
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Definition
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Term
| what is the purpose of the intra-articular disc of the SC joint? |
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Definition
| improves congruency, stability |
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Term
| what are the 3 ligaments of the sternoclavicular joint? |
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Definition
| sternoclavicular, interclavicular, costoclavicular |
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Term
| what is the sternoclavicular ligament? |
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Definition
| the lax capsular ligament of the sternoclavicular joint |
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Term
| how much elevation/depression in the frontal plane occurs at the sternoclavicular joint? |
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Definition
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Term
| describe convex/concave of the sternoclavicular joint in the frontal plane |
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Definition
| convex clavicle; concave manubrium |
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Term
| how much protraction/retraction occurs in the transverse plane? |
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Definition
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Term
| describe convex/concave of the sternoclavicular joint in the transverse plane |
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Definition
| concave clavicle; convex manubrium |
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Term
| how much posterior rotation occurs in the sagittal plane? |
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Definition
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Term
| what are the 2 main ligaments of the AC joint |
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Definition
| coracoclavicular, acromioclavicular (also the capsule is ligamentous) |
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Term
| which of the 2 ligaments at the AC joint make up the coracoclavicular ligament? |
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Definition
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Term
| does the acromioclavicular joint have a disc? |
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Definition
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Term
| does the acromioclavicular joint's disc play as important a role as the sternoclavicular joint's disc |
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Definition
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Term
| what joint is injured in a separated shoulder |
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Definition
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Term
| what is the function of the trapezoid ligament |
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Definition
| checks lateral and posterior movement of the clavicle as scapula moves medially |
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Term
| what is the function of the conoid ligament? |
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Definition
| checks superior movement of the clavicle |
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Term
| what are the 4 muscles of the SC/AC joints? |
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Definition
| pectoralis major, upper traps, SCM, subclavius |
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Term
| what motion occurs at the AC joint with tipping of the inferior angle of the scapula in the sagittal plane? |
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Definition
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Term
| what motion occurs at the AC joint with medial border winging of the scapula |
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Definition
| internal/external rotation |
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Term
| what motion of the AC joint occurs with spinning of the scapula |
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Definition
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Term
| how much bigger is the humeral head surface area than glenoid surface area |
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Definition
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Term
| what direction does the humeral head face |
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Definition
| medially, slightly posteriorly, superiorly |
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Term
| what direction does the glenoid cavity face? |
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Definition
| superiorly, anteriorly, laterally |
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Term
| describe the joint capusle of the glenohumeral ligament |
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Definition
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Term
| where is the glenohumeral joint capsule the thickest? |
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Definition
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Term
| what is the pattern of capsular fibers in the glenohumeral joint capsule |
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Definition
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Term
| what does the cross-linked-fibered capsule do in GH rotation? |
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Definition
| rotational force tightens the capsule, helping it to keep the ball in the center of the glenoid |
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Term
| what are the 2 main ligaments of the glenohumeral joint? |
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Definition
| transverse humeral ligament, glenohumeral ligaments |
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Term
| what are the 3 glenohumeral ligaments |
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Definition
| superior, middle, inferior |
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Term
| what is the function of the superior glenohumeral ligament? |
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Definition
| provides stability in inferior direction (keeps humerus from sliding down)from 0-50 degrees abduction |
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Term
| what is the function of the middle glenohumeral ligament? |
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Definition
| limits external rotation up to 90 deg abduction. Provides anterior stability between 45-60 degrees abduction |
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Term
| what is the most important stabilizer against anterior/inferior dislocation of the glenohumeral ligament? |
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Definition
| inferior glenohumeral ligament |
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Term
| what is the most frequently injured component of the capsule? |
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Definition
| inferior glenohumeral ligament |
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Term
| what are the 3 bands of the inferior glenohumeral ligament? |
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Definition
| anterior band, posterior band, axillary pouch |
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Term
| function of the anterior band of the GHL |
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Definition
| restrains anterior/inferior translation at 90 degrees abduction and external rotation |
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Term
| function of the posterior band of the GHL |
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Definition
| primary posterior stabilizer in flexion and internal rotation; inferior stabilizer at 90 degrees abduction |
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Term
| what is the function of the axillary pouch |
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Definition
| with external rotation: sling moves anterior to form a barrier to anterior dislocation. With internal rotation: sling moves posterior to form a barrier to posterior dislocation |
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Term
| what is the function of the coracohumeral ligament? |
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Definition
| Stabilizes the long head of the biceps tendon; provides stability in inferior direction from 0-50 degrees abduction along with superior glenohumeral ligament |
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Term
| what is the rotator interval |
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Definition
| anterosuperior space between the subscapularis and supraspinatus tendons |
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Term
| what things are in the rotator interval |
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Definition
| coracohumeral ligament; superior glenohumeral ligament; biceps tendon; anterior joint capsule |
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Term
| what happens when you have contracture of the rotator interval |
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Definition
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Term
| what happens when you have laxity of the rotator interval? |
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Definition
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Term
| what are the functions of the rotator interval |
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Definition
| contributes to glenohumeral stability; increases stability to biceps tendon; limits excessive glenohumeral motion |
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Term
| what things make up the coracoacromial arch |
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Definition
| coracoacromial ligament + acromion + coracoid |
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Term
| what is the function of the coracoacromial arch |
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Definition
| provides superior stability to glenohumeral joint |
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Term
| what happens in impingement syndrome |
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Definition
| compression of structures pressing up against coracoacromial arch |
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Term
| how much space is there between the head of the humerus and the coracoacromial arch at rest? |
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Definition
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Term
| how much space is there between the head of the humerus and the coracoacromial arch in abduction? |
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Definition
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Term
| describe the glenoid labrum |
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Definition
| dense, fibrous rim. Few elastic fibers |
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Term
| functions of the glenoid labrum |
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Definition
| Deepens fossa; increases surface area contact with humeral head; allows for glenohumeral ligament attachment to glenoid; acts as a stopper to limit humeral head translation; provides blood supply to the periphery |
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Term
| compare the attachments of the superior and inferior glenoid labrum |
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Definition
| looser superior attachment; firm inferior attachment |
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Term
| where does the long head of the biceps tendon insert? |
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Definition
| onto superior portion of labrum |
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Term
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Definition
| small pouch lined by synovium that contains synovial fluid |
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Term
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Definition
| alleviate friction by creating space between 2 tightly opposed structures |
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Term
| how many bursae are there in the shoulder? |
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Definition
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Term
| what type of tissue is bursa? |
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Definition
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Term
| why is bursitis difficult to treat |
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Definition
| non-contractile; can't strengthen or stretch it |
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Term
| what type of treatment to use for bursitis |
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Definition
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Term
| how much flexion occurs at the glenohumeral joint? |
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Definition
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Term
| how much extension occurs at the glenohumeral ligament? |
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Definition
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Term
| how much abduction occurs at the glenohumeral ligament? |
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Definition
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Term
| how much adduction occurs at the glenohumeral ligament? |
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Definition
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Term
| how much internal rotation occurs at the glenohumeral joint? |
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Definition
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Term
| how much external rotation occurs at the glenohumeral joint? |
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Definition
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Term
| what is the close packed position of the glenohumeral ligament? |
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Definition
| full abduction with full external rotation |
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Term
| what is the resting position of the glenohumeral joint? |
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Definition
| 55 degrees abduction with 30 degrees horizontal adduction |
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Term
| is the scapulothoracic joint a true anatomic joint? |
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Definition
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Term
| at what thoracic levels does the scapula res? |
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Definition
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Term
| what is the angle of the medial border of the scapula from top to bottom? |
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Definition
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Term
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Definition
| provide a stable base for normal shoulder motion |
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Term
| what is the position of the scapula compared to the sagittal plane |
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Definition
| scapula lies 20-30 deg forward of sagittal plane (that's what the ppt says. i think he means frontal plane?) |
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Term
| what are the movements of the scapulothoracic joint? |
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Definition
| elevation/depression, protraction/retraction, upward/downward rotation, tipping, winging |
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Term
| what are some pathologic conditions of the shoulder complex? |
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Definition
| AC & SC joint injury, rotator cuff impingement/tear, subacromial bursitis, adhesive capsulitis, glenohumeral instability, glenoid labrum lesions, thoracic outlet syndrome, fracture |
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Term
| overview of assessment of the shoulder complex (steps) |
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Definition
| history, observation, UQ screen, active/passive/resisted movement, special tests, palpation |
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Term
| why should you expalin to the patient when you do an UQ screen for a shoulder problem? |
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Definition
| so they'll know you know the difference between shoulder and neck |
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Term
| What are some general age-related changes to the shoulder that may be normal at some ages but abnormal at younger ages? |
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Definition
| sarcopenia, joint laxity, brittle cartilage, meniscal degeneration, diminished circulation, osteoporosis, worsening cardiovascular status, reduced activity, depression, loss of proprioception and balance, reduced mobility, postural changes, history of surgery and/or comorbidities |
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