Differential Diagnosis Ortho: Shoulder
pathologies
What joints make up the shoulder joint? - - Glenohumeral joint
- Scapulothoracic joint
- Acromioclavicular joint
- Sternoclavicular joint
What is the glenohumeral joint? - The articulation between the glenohumeral head and glenoid
fossa
How many degrees of shoulder elevation is the glenohumeral joint responsible for? - 120 degrees
What is the scapulothoracic joint? - The scapula sitting on the thoracic region
How many degrees of shoulder elevation is the scapulothoracic joint? - 60 degrees
How does the thoracic spine assist in shoulder elevation? - In the last 15-20 degrees of shoulder
elevation, thoracic spine extends to assist
What shoulder assessments should be done when evaluating a patient? - - ROM assessment of
shoulder
- ROM assessment of neck
- MMT of shoulder musculature
- Posture assessment
- Scapular positioning and movement
- Myotomes
- Dermatomes
- Palpation of applicable muscles and structures
What ROM needs to be assessed in the shoulder? - - ER
- IR
- Flexion
, - Abduction
- Extension
- Horizontal abduction
- Horizontal adduction
What shoulder musculature should be assessed? - - Rotator cuff
- Scapular stabilizers
What muscles make up the rotator cuff? - - Supraspinatus
- Infraspinatus
- Teres minor
- Subscapularis
What muscles make up the scapular stabilizers? - - Lower trap
- Middle trap
- Serratus anterior
What are differential diagnoses of shoulder pathology? - - glenohumeral instability
- Shoulder impingement
- Rotator cuff tear
- Labrum tear
- Adhesive capsulitis
- Acromioclavicular joint sprain
- Scapular dyskinesia
What makes up the glenohumeral joint static stability? - - Glenoid labrum
- Ligaments
What ligaments make up the shoulder capsule? - - Superior glenohumeral ligament
- Middle glenohumeral ligament
- Inferior glenohumeral ligament
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