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Humerus Anatomy - Bone
Humerus - Anterior view
  1. Greater tuberosity: supraspinatus, infraspinatus, teres minor insertions site.
  2. Intertubercular groove: long head of biceps tendon runs throught it.
  3. Humeral head: average 23mm radius; 19mm thickness; center is offset 7mm medially and 2mm posterior to humeral axis; retroverted 19 degrees; inclined 41 degrees.
  4. Lesser tuberosity: subscapularis insertion site.
  5. Surgical neck: common fracture site.
  6. Humeral shaft
  7. Lateral column
  8. Coronoid fossa
  9. Lateral epicondlye
  10. Trochlea
  11. Capitellum
  12. Medial epicondyle
  13. Medial column

Humeral Muscle Origins / Insertions
Humerus - Posterior View
  1. Greater tuberosity
  2. Humeral head
  3. Humeral shaft
  4. Medial column
  5. Olecranon fossa
  6. Medial epicondyle
  7. Trochlea
  8. Capitellum
  9. Lateral epicondyle
  10. Lateral column
Humerus - Lateral View
  1. Lessor Tuberosity
  2. Intertubercular groove
  3. Greater Tuberosity
  4. Humeral head
  5. Center of humeral head
  6. Othopedic/anatomic axis of humerus
  7. Humeral shaft
  8. Lateral epicondyle
  10. Capitellum
  11. Coronoid fossa
Humerus - Medial View
  1. Humeral head: articulates with glenoid
  2. Lesser tuberosity: insertion of subscapularis tendon
  3. Humeral Shaft
  4. Trochlea: articulates with ulna
  5. Medial epicondyle: origin of hand and wrist flexors
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