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Exam 1111
Proximal Humerus and Shoulder Girdle
| Question | Answer |
|---|---|
| Proximal Humerus | Head, greater and lesser tuburcle, intertubecular groove, anatomican and surgical neck, body |
| Head | Most proximal part |
| Anatomical Neck | slightly constricted area directly below and lateral to head |
| Lesser Tubercle | Directly below anatomic neck on anterior surface |
| Greater Tubercle | Larger process located laterally |
| Intertubecular Groove | deep groove between thw tubercles |
| Body | distal to surgical neck |
| clavicle and scapula | connect each upper limb to the trunk or axial skeleton |
| scapula | upper margin is at the level or 2nd posterior rib; lower margin is at level of 7th posterior rib |
| clavicle | Acromion of scapula, acromioclavicular joint, acromial extremity, body, sternal extremity, sternoclavicular joint |
| sternoclavicular joint | articulates medial (sternal) end of clavicle and manubrium of sternum |
| Acromioclavicular joint | articulates lateral (acromial) end of clavicle with acromion os scapula |
| Shoulder Joint | articulates head of humerus and glenoid cavity |
| Scapula | corocoid process, scapular notch, superior angle, body, inferior angle, coastal surface, neck, lateral angle, glenoid cavity, acromion |
| Scapular Spine | begins at vetebral border and continues laterally, ending at acromion |
| Acromion | expanded lateral end of scapular spine, extending superiorly and posteriorly to the glenoid cavity |
| Corocoid process | thick, beaklike process projecting anteriorly beneath clavicle |
| Scapular Borders | Vetebral(Medial), Axillary (lateral), Superior |
| Scapular Surfaces | Coastal (anterior), Dorsal (posterior) |
| Scapular Angles | Superior, Inferior, Lateral |
| Scapula (posterior view) | Crest of spine, acromion, supraspinous fossa, infraspinous fossa, dorsal surface |
| Scapulohumeral joint | spheroidal |
| sternoclavicular joint | plane |
| acromioclavicular joint | plane |
| AP projection Shoulder External Rotation | Epicondyles parallel, greater tubercle seen in full profile laterally, scapulohumeral joint centered, proximal humerus, upper scapula, and clavicle well visualized |
| AP Shoulder Internal Rotation | epicondyles perpendicular, lesser tubecle profilled medially, scapulohumeral joint centered (1in below corocoid), proximial humerus, scapula, and clavicle well visualized |
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