Science Fair Project Encyclopedia
Triceps brachii muscle
The triceps brachii muscle is a large three-headed skeletal muscle found in humans. It runs along the back of the upper arm and serving to extend the forearm, hence it is an extensor muscle.
The triceps brachii muscle is often simply called the triceps. However, the term triceps (Latin for "three heads") can mean any skeletal muscle having three origins.
The three heads are called:
- The Long Head
- The Lateral Head
- The Medial Head
The Triceps account for 2/3 of the arm's mass and people who exercise the arms with weights often neglect this group of muscles in favour of the Biceps.
See also: List of muscles of the human body
10-26-2009 08:16:03
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The contents of this article is licensed from www.wikipedia.org under the GNU Free Documentation License. Click here to see the transparent copy and copyright details