Lesser tubercle

Bony projection on the proximal end of the humerus

The lesser tubercle of the humerus, although smaller, is more prominent than the greater tubercle: it is situated in front, and is directed medially and anteriorly.

The projection of the lesser tubercle is anterior from the junction that is found between the anatomical neck and the shaft of the humerus and easily identified due to the intertubercular sulcus (Bicipital groove).

Lesser Tubercle of right humerus
Lesser Tubercle of right humerus
Insertion of subscapularis muscle
Insertion of subscapularis muscle

Above and in front it presents an impression for the insertion of the tendon of the subscapularis.

Additional images

  • The left shoulder and acromioclavicular joints, and the proper ligaments of the scapula.
    The left shoulder and acromioclavicular joints, and the proper ligaments of the scapula.
  • Human arm bones diagram
    Human arm bones diagram

References

Public domain This article incorporates text in the public domain from page 209 of the 20th edition of Gray's Anatomy (1918)

External links

  • Anatomy figure: 03:02-13 at Human Anatomy Online, SUNY Downstate Medical Center
  • Anatomy figure: 05:01-09 at Human Anatomy Online, SUNY Downstate Medical Center
  • Anatomy figure: 10:02-12 at Human Anatomy Online, SUNY Downstate Medical Center
  • Diagram at uwlax.edu
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Bones of the arm
Shoulder girdle, clavicle
Scapula
HumerusForearm
Radius
Ulna
Hand
Carpal bones
Metacarpal bones
Phalanges
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