Acromion
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In human anatomy, the acromion or summit of the shoulder is a bony process on the scapula. Together with the coracoid process, it extends laterally over the shoulder joint. The acromion is a continuat
Radiograph of the shoulder showing an os acromiale
The shoulder girdle of a snapping turtle. (1) Acromion, (2) scapula, and (3) coracoid
Left scapula. Anterior view. Acromion is "2"
Deltoid muscle
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The deltoid muscle is the muscle forming the rounded contour of the human shoulder. It is also known as the 'common shoulder muscle', particularly in other animals such as the domestic cat. Anatomical
Acromion
…the spine of scapula. Its superior surface, directed upward, backward, and lateralward, is convex, rough, and gives attachment to some fibers of the deltoideus, and in the rest of its extent is subcutaneous. Its inferior surface is smooth and concave. Its lateral border is thick and irregular, and presents…
Origin and insertion of deltoid muscle
Deltoid muscle with superior limb in abduction