| The triceps brachii are a pair of muscles
located in each of the upper-arms of the human body.
The word "biceps" refers to a muscle that has two heads, that
is two points of origin (see table below). To test your knowledge: Look at the image opposite and
decide which muscles you think are the triceps brachii,
then click on the image to check
if
you were correct, and for the labels of all the other muscles illustrated.
For a detailed illustration of its location see the pages about Anterior
Muscles.
Further information about the triceps brachii is summarised below:
Point(s) of Origin: |
Long Head: Infraglenoid tubercle of scapula;
Medial & Lateral Head: Posterior surface of humerus.
|
Point(s) of Insertion: |
Through a flat tendon to the olecranon process of ulna. |
Action(s): |
Extends the elbow.
Slight adduction of shoulder. |
|
