Muscle of Head & Trunk Flash Cards

Front

Muscle Categories

Back

Facial Expression, Mastication, Eye, Vertebral column, Thorax, Abdominal wall, Locomotor muscles (forelimb and hindlimb muscles)

Front

Purpose of Facial Muscles

Back

Facial muscles allow for expressions and movements of the face.

Front

Origin of Intrinsic Muscles

Back

Originate within the head.

Front

Example of Extrinsic Muscle Origin

Back

Occipital bone of the skull and vertebral column.

Front

Head Movement

Back

Movement of the head relative to the neck, facilitated by extrinsic muscles.

Front

Intrinsic vs Extrinsic Muscles

Back

Intrinsic muscles originate within the head; extrinsic muscles originate outside the head.

Front

Facial Expression

Back

The result of coordinated muscle movements in the face.

Front

Expression Changes

Back

Alterations in facial expressions due to muscle activity.

Front

Head and Neck Coordination

Back

The interaction between head and neck movements facilitated by muscles.

Front

Facial Muscle Types

Back

Intrinsic and extrinsic muscles.