Humerus and scapula
After completing this study unit you will be able to:
- Describe the parts, surfaces and landmarks of the humerus and scapula in detail.
- Give a general overview of the glenohumeral (shoulder) joint.
- List and describe the ligaments that hold the humerus and scapula in place.
The humerus is a long bone that comprises the bony framework of the arm, while the scapula is a flat bone of the pectoral girdle. The humerus and scapula articulate with each other to form the glenohumeral (shoulder) joint, which is the most mobile joint of the body. Both bones are held together via several ligaments and muscle tendons.
This video tutorial will help you to learn everything about the anatomy of the humerus and scapula.
Alternatively, you can approach each bone individually with these videos:
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Learn the parts of the humerus and scapula with the following PDF worksheets.
Analyze this topic in depth with our atlas galleries.
|Proximal end||Head of humerus
Intertubercular sulcus (crest of greater tubercle, crest of lesser tubercle)
Surfaces: Anteromedial, anterolateral, posterior
Borders: Anterior, lateral, posterior
Landmarks: Lateral supracondylar ridge, medial supracondylar ridge, radial groove, supracondylar process
|Distal end||Lateral epicondyle
Medial epicondyle (groove for ulnar nerve)
Condyle of humerus: Capitulum, trochlea, olecranon fossa, coronoid fossa, radial fossa
Costal surface: Subscapular fossa
Posterior surface: Spine of scapula, deltoid tubercle, spinoglenoid notch, supraspinous fossa, infraspinous fossa, acromion
Superior border: Scapular notch, coracoid process
Lateral angle: Glenoid fossa, supraglenoid tubercle, infraglenoid tubercle, neck of scapula
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