Epitrochleoanconeus muscle

Epitrochleoanconeus muscle is a rare anatomical variant of the human body, found in the elbow region. It is not present in all individuals and its function is not entirely understood.

Etymology

The term "Epitrochleoanconeus" is derived from the Greek words "epi" (upon), "trochlea" (pulley), "ancon" (elbow), and "eus" (pertaining to). Thus, the term refers to a muscle that is located upon the pulley of the elbow.

Anatomy

The Epitrochleoanconeus muscle is located in the elbow region, specifically between the medial epicondyle of the humerus and the olecranon process of the ulna. It is a small, triangular muscle that is not present in all individuals.

Function

The exact function of the Epitrochleoanconeus muscle is not entirely understood. However, it is believed to assist in the stabilization of the elbow joint.

Clinical Significance

Due to its rarity, the Epitrochleoanconeus muscle is not often considered in clinical practice. However, it may be of interest in cases of unexplained elbow pain or instability.

Related Terms

• Humerus: The bone of the upper arm or forelimb, forming joints at the shoulder and the elbow.
• Ulna: The thinner and longer of the two bones in the human forearm, on the side opposite to the thumb.
• Medial Epicondyle: The bony prominence on the inner side of the elbow, to which the forearm muscles attach.
• Olecranon Process: The large bony prominence at the upper end of the ulna, at the elbow, that projects behind the elbow joint and forms the point of the elbow.

Epitrochleoanconeus muscle Resources
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