Definition

Noun: A small, deep muscle of the upper arm. It is a minor, often overlooked, part of the triceps brachii muscle group. Its primary function is to retract (pull taut) the synovial capsule of the elbow joint during extension of the arm, preventing the capsule from being pinched within the joint space.

Usage

This term is used exclusively in specialized anatomical and medical contexts to describe this specific muscle structure. * During the dissection, the professor pointed out the musculus articularis cubiti. * The musculus articularis cubiti is considered an inconstant muscle, meaning it is not always present in all individuals.

Advanced Usage

• The muscle is also known by its English equivalent, the articularis cubiti muscle or the subanconeus muscle.
• In detailed anatomical studies, the presence and development of the can be variable.

Variants and Related Words

• Articularis cubiti muscle: The direct English translation and more common term in clinical anatomy.
• Subanconeus: An alternative anatomical name for the same structure.
• Triceps brachii: The large three-headed muscle of the upper arm, of which the is considered a deep, fourth head by some anatomists.

Synonyms

• Articular muscle of the elbow (descriptive synonym)

Related Terms (Contextual)

• Synovial capsule: The fibrous tissue enclosing the elbow joint that this muscle acts upon.
• Elbow joint: The articulation (joint) where the humerus, radius, and ulna meet.
• Extension: The movement of straightening the arm, the action during which this muscle is active.

Noun

1. a small branch of the triceps that inserts into the capsule of the elbow joint