TRICEPS Meaning and
Definition
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The triceps, also known as the triceps brachii, is a major muscle located on the back of the upper arm. It is one of the three heads that make up the muscle group called the triceps. The triceps extend from the shoulder to the elbow, running along the posterior side of the humerus bone.
The triceps consist of three bundles of muscle fibers: the long head, lateral head, and medial head. The long head originates from the infraglenoid tubercle of the scapula (shoulder blade), while the lateral head originates from the back of the humerus (upper arm bone). The medial head, as the name suggests, is positioned in the middle and originates from the back of the humerus, slightly below the lateral head.
The triceps work in opposition to the biceps muscles of the upper arm. Whenever the triceps contract, they extend the elbow joint, causing the arm to straighten. This movement is commonly known as the extension of the arm. The triceps are involved in various daily activities that require pushing or straightening of the arm, such as lifting, throwing, and pushing objects away from the body.
In addition to their functional role, the triceps play a significant role in aesthetic appearances. Well-developed triceps can give the arm a more defined and toned look. They are often a target of strength training and bodybuilding exercises aimed at increasing strength and size in the upper arm region.
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Three-headed; noting especially two muscles: t. brachii and t. surae, which see under musculus.
A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.
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In anat., the three-headed muscle.
Etymological and pronouncing dictionary of the English language. By Stormonth, James, Phelp, P. H. Published 1874.
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Etymology of TRICEPS
The word "triceps" has its roots in Latin. It is derived from the combination of two Latin words, "tri-" meaning "three" and "caput" meaning "head". In anatomy, the triceps muscle is called so because it originates from three separate heads or points of origin, namely the long head, lateral head, and medial head. When combined, these three heads give rise to the triceps muscle, which is located at the back of the upper arm.
Similar spelling words for TRICEPS
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