,I. Muscles of the Head, Neck, and Face
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Term Answer & Structural Detail
Broad, flat tendon (fascia) covering the dome of the skull. It
Epicranial
connects the fleshy bellies of the Frontalis (front) and Occipitalis
Aponeurosis
(back) muscles, forming the epicranius muscle group.
Raises the eyebrows and wrinkles the forehead. It is the anterior
Frontalis Muscle belly of the epicranius muscle, originating in the epicranial aponeurosis
and inserting into the skin of the eyebrows and nose.
Orbicularis Oculi Closes the eye (blinking, squinting, winking). This is a ring-like
Muscle muscle that surrounds the eye.
Orbicularis Oris Closes, purses, and protrudes the lips. This is a complex muscle that
Muscle encircles the mouth.
, Term Answer & Structural Detail
Tenses the skin of the neck and helps depress the mandible. This is
Platysma Muscle a broad, thin, sheet-like muscle found in the superficial fascia of the
neck.
Compresses the cheek (holds food between teeth, assists in
Buccinator Muscle blowing/whistling). It is the deepest of the cheek muscles, running
horizontally across the cheek.
Elevates and retracts the mandible (closes the jaw). A large fan-
Temporalis Muscle shaped muscle on the side of the skull, originating from the temporal
fossa.
Pulls the scalp posteriorly. It is the posterior belly of the epicranius
Occipitalis Muscle
muscle, located at the back of the skull.
Elevates the mandible (main chewing muscle). A thick, strong
Masseter Muscle
muscle that runs from the zygomatic arch down to the mandible.
Flexes and laterally rotates the head (turns the head side to side). A
Sternocleidomastoid
prominent, two-headed neck muscle that runs obliquely across the
Muscle
neck.
II. Muscles of the Trunk, Shoulder, and Upper Limb
Shutterstock
Term Answer & Structural Detail
Broad, flat tendon (fascia) covering the dome of the skull. It
Epicranial
connects the fleshy bellies of the Frontalis (front) and Occipitalis
Aponeurosis
(back) muscles, forming the epicranius muscle group.
Raises the eyebrows and wrinkles the forehead. It is the anterior
Frontalis Muscle belly of the epicranius muscle, originating in the epicranial aponeurosis
and inserting into the skin of the eyebrows and nose.
Orbicularis Oculi Closes the eye (blinking, squinting, winking). This is a ring-like
Muscle muscle that surrounds the eye.
Orbicularis Oris Closes, purses, and protrudes the lips. This is a complex muscle that
Muscle encircles the mouth.
, Term Answer & Structural Detail
Tenses the skin of the neck and helps depress the mandible. This is
Platysma Muscle a broad, thin, sheet-like muscle found in the superficial fascia of the
neck.
Compresses the cheek (holds food between teeth, assists in
Buccinator Muscle blowing/whistling). It is the deepest of the cheek muscles, running
horizontally across the cheek.
Elevates and retracts the mandible (closes the jaw). A large fan-
Temporalis Muscle shaped muscle on the side of the skull, originating from the temporal
fossa.
Pulls the scalp posteriorly. It is the posterior belly of the epicranius
Occipitalis Muscle
muscle, located at the back of the skull.
Elevates the mandible (main chewing muscle). A thick, strong
Masseter Muscle
muscle that runs from the zygomatic arch down to the mandible.
Flexes and laterally rotates the head (turns the head side to side). A
Sternocleidomastoid
prominent, two-headed neck muscle that runs obliquely across the
Muscle
neck.
II. Muscles of the Trunk, Shoulder, and Upper Limb
