Fascial compartments of arm
Fascial Compartments of Arm
The Fascial compartments of arm (pronunciation: /ˈfæʃəl kəmˈpɑːtmənts ɒv ɑːrm/) are divisions within the arm that are formed by the deep fascia. These compartments help to organize the muscles, nerves, and blood vessels of the arm into functional units.
Etymology
The term "fascial" is derived from the Latin word "fascia", meaning "band", and refers to the connective tissue that surrounds muscles, blood vessels, and nerves. The term "compartment" comes from the Latin "compartiri", meaning "to divide".
Anatomy
The arm is divided into two primary fascial compartments: the anterior compartment and the posterior compartment.
Anterior Compartment of Arm
The anterior compartment of the arm, also known as the flexor compartment, contains three muscles: the biceps brachii, the brachialis, and the coracobrachialis. These muscles are primarily responsible for flexion at the elbow joint.
Posterior Compartment of Arm
The posterior compartment of the arm, also known as the extensor compartment, contains only one muscle: the triceps brachii. This muscle is primarily responsible for extension at the elbow joint.
Related Terms
- Fascia: A band or sheet of connective tissue that surrounds muscles, blood vessels, and nerves.
- Compartment Syndrome: A condition that involves increased pressure within one of the body's compartments, such as the fascial compartments of the arm, which can lead to muscle and nerve damage.
- Deep Fascia: A layer of dense connective tissue which surrounds individual muscles, and divides groups of muscles into fascial compartments.
External links
- Medical encyclopedia article on Fascial compartments of arm
- Wikipedia's article - Fascial compartments of arm
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