Differential Diagnosis Ortho: Shoulder pathologies

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