SUBCLAVIUS Meaning and
Definition
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The subclavius is a term that refers to a small, triangular muscle located in the upper part of the chest, specifically beneath the clavicle (collarbone). The Latin word "subclavius" can be broken down as "sub" meaning "below" or "beneath" and "clavius" meaning "clavicle." Thus, the name of the muscle aptly describes its anatomical position.
The subclavius muscle arises from the first rib near its junction with the costal cartilage, and it extends upwards to insert into the inferior surface of the clavicle. Due to its location, the subclavius forms an important connection between the rib cage and the shoulder girdle.
The main function of the subclavius muscle is to stabilize and depress the clavicle during certain movements of the shoulder joint, such as protraction (forward movement of the shoulder) and depression (downward movement of the shoulder). Additionally, it can assist in elevating the first rib during deep inhalation.
While the subclavius muscle is relatively small in size compared to other muscles in the chest and shoulder region, it plays a vital role in maintaining proper shoulder function and stability. Injury or dysfunction of the subclavius can result in pain and restricted movement in the shoulder joint. Exercises targeting this muscle are sometimes prescribed in physical therapy to strengthen and rehabilitate the shoulder.
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A practical medical dictionary. By Stedman, Thomas Lathrop. Published 1920.
Common Misspellings for SUBCLAVIUS
Etymology of SUBCLAVIUS
The word "subclavius" comes from Latin. It is a combination of the prefix "sub-" meaning "under" or "below", and "clavus" meaning "nail" or "key". The term "subclavius" is derived from its anatomical location under the clavicle (commonly known as the collarbone), as it describes a small muscle located in that region.
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