Muscular Anatomy Review

Vocabulary flashcards based on the muscular anatomy lecture covering facial expression, mastication, neck muscles, and respiration.

Muscles of Facial Expression

Muscles originating from skull bones and inserting into the skin of the face, allowing for a wide range of facial expressions.

Mastication

The act of chewing food.

Origin of Facial Expression Muscles

Surface of the skull.

Insertion of Facial Expression Muscles

Dermis of the skin.

Occipitofrontalis

Muscle that raises eyebrows and wrinkles forehead.

Orbicularis Oculi

Muscle responsible for closing the eyes.

Buccinator

Muscle that compresses cheeks, as in whistling.

Masseter

Muscle that elevates the mandible and closes the jaw.

Temporalis

Muscle that elevates and retracts the mandible.

Sternocleidomastoid

Muscle that flexes the neck.

Splenius Capitis

Muscle that extends head and neck, allowing for lateral flexion.

Diaphragm

Muscle that expands the thoracic cavity and compresses the abdominopelvic cavity during breathing.

Rib Elevation

Action performed by external intercostals and scalenes.

Linea Alba

White, fibrous band of connective tissue running from the sternum to the pubis.

Rectus Abdominis

Muscle that compresses abdomen and flexes spine.

Transverse Abdominis

Muscle that compresses the abdomen.