Function.
The corrugator supercilii muscle
draws the eyebrow downward and medially, producing the vertical wrinkles of the forehead.
What muscle is used to wrinkle your forehead?
| Frontalis | Nerve Facial nerve Temporal branch | Actions Raises eyebrows and wrinkles forehead | Identifiers | Latin Venter frontalis musculi occipitofrontalis |
|---|
Which muscle raises the eyebrows and wrinkles the forehead?
The frontalis muscle
is responsible for elevating the eyebrows, while the corrugator supercilii, orbicularis oculi, and procerus play a role in its depression. The function of the forehead is often spared in middle cerebral artery strokes.
What muscle wrinkles eyebrows?
The corrugator supercilii muscle
is a strong muscle that extends from bone near the top of the nose to the underside of the skin just above the mid portion of the eyebrow (glabella). Contraction of the corrugator causes vertical wrinkles between the eyebrows, often called “frown lines.”
Which muscle moves the forehead skin to elevate the eyebrows or wrinkle the forehead quizlet?
anterior (front) portion of the epicranius
; muscle of the scalp that raises the eyebrows,draws the scalp forward, and causes wrinkles across the forehead.
What muscles are in the forehead?
Structure. The bone of the forehead is the squamous part of the frontal bone. The overlying muscles are the
occipitofrontalis, procerus, and corrugator supercilii muscles
, all of which are controlled by the temporal branch of the facial nerve.
Which muscle raises the eyebrows quizlet?
Muscles at the back of the skull. Anterior (front) portion of
the epicranius
; muscle of the scalp that raises the eyebrows, draws the scalp forward, and causes wrinkles across the forehead. Tendon that connects the occipitalis and frontalis.
Which muscles causes wrinkles in the forehead Occipitalis Epicranius Epicranial Aponeurosis Frontalis?
The bellies are connected by a thick fibrous sheath called epicranial aponeurosis (galea aponeurotica) onto which both of them attach. The function of
occipitofrontalis muscle
is to elevate the eyebrows and wrinkle the forehead skin with its frontal part, and to retract the scalp with its occipital part.
Which muscle wrinkles the skin of the lower face and neck?
| Mentalis | Nerve mandibular branch of facial nerve | Actions elevates and wrinkles skin of chin, protrudes lower lip | Identifiers | Latin musculus mentalis |
|---|
What muscle is responsible for the flexion of the head?
The major muscle that laterally flexes and rotates the head is
the sternocleidomastoid
. In addition, both muscles working together are the flexors of the head.
Do we have muscles in your eyebrows?
The muscular layer of the eyebrow is below the subcutaneous tissue. This layer is composed of the
elevator muscle (frontalis)
and the depressor muscles (procerus, corrugator supercilii, orbital portion of the orbicularis oculi). (See the image below.) The paired frontalis muscles are the primary elevators of the brow.
Why do we have eyebrow muscles?
The shape of the bones and skin around
the eyebrows helps direct the sweat toward the side of our faces
. That stops water from running directly into our eyes. … They reduce strain on our eye muscles and help us shut our eyelids.
What muscle draws the scalp backward?
The Occipitales
draw the scalp backward. By bringing alternately into action the Frontales and Occipitales the entire scalp may be moved forward and backward.
Where is the gracilis muscle?
The gracilis is the most superficial and
medial of the muscles at the medial compartment of thigh
. It is located next to the adductor musculature. and crosses at both the hip and knee joints.
Which muscle covers the bridge of the nose lowers the eyebrows and causes wrinkles across the bridge of?
Ring muscle of the eye socket; enables you to close your eyes. Covers the bridge of the nose, lowers the eyebrows, and causes wrinkles across the bridge of the nose. AKA:
quadratus labii inferioris muscle
; muscle surrouding the lower lip; lowers the lower lip and draws it to one side, as in expressing sarcasm.
What muscle covers the bridge of the nose lowers the eyebrows and causes wrinkles across the bridge of the nose?
The
occipitofrontalis muscle
spans the majority of the forehead. The occipitofrontalis muscle originated from the galea aponeurosis superiorly and inserts and blends into the orbicularis oculi muscle. When the occipitofrontalis muscle contracts, it elevates the eyebrows and wrinkles the forehead.
What tendon connects the Occipitalis and the frontalis muscles?
Over the dome of the skull the epicranium is formed by a sheet of tendon that’s known as
the galea, or galea aponeurotica
. Two muscles are attached to the galea, in front, the frontalis, and behind, the occipitalis.
Which muscle draws the lower lip and jaw down?
The depressor labii inferioris (quadratus)
originates in front of the mandible, anterior to the mental foramen, and travels medially, intermingling with the orbicularis oris to insert into the skin and mucosa of the lower lip. Together these muscles act to draw the angles of the mouth down and laterally.
Is the Epicranial Aponeurosis a muscle?
The Muscles of the Cranium. Epicranial Aponeurosis also referred to as the Galea Aponeurotica or the aponeurosis epicranialis is a broad tendon and is
the intermediate section of the occipitofrontalis muscle
. It runs from the superior portion of the frontal bone and covers the parietal bones to the lambdoid suture.
Which muscle draws the corners of mouth downward and laterally?
Actions. –
The Depressor anguli oris
draws the angle of the mouth downwards and laterally. The Buccinator (fig. 583) is a thin quadrilateral muscle, occupying the interval between the maxilla and the mandible, at the side of the face.
Which of the following muscles of the face can pull down on the lower lip?
Mentalis
. Sometimes called the ‘pouting muscle’, contraction of the Mentalis raises and thrusts out the lower lip to make us pout.
What are the 5 muscles of facial expression?
- Occipitofrontalis muscle.
- Temporoparietalis muscle.
- Procerus muscle.
- Nasalis muscle.
- Depressor septi nasi muscle.
- Orbicularis oculi muscle.
- Corrugator supercilii muscle.
- Depressor supercilii muscle.
What muscles are involved in neck flexion?
The scalene muscles
help with neck flexion and side bending. The deep cervical flexors are a muscle group consisting of the longus capitus and longus colli muscles, which run down the front of the cervical spine. The deep cervical flexor muscles help flex the neck forward as well as stabilize the cervical spine.
What muscles are involved in neck head flexion and extension?
| CERVICAL MUSCLES FUNCTION NERVE | Sternocleidomastoid Extends & rotates head, flexes vertebral column C2, C3 | Scalenus Flexes & rotates neck Lower cervical | Spinalis Cervicis Extends & rotates head Middle/lower cervical | Spinalis Capitus Extends & rotates head Middle/lower cervical |
|---|
What muscles control head movement?
The neck muscles, including
the sternocleidomastoid and the trapezius
, are responsible for the gross motor movement in the muscular system of the head and neck. They move the head in every direction, pulling the skull and jaw towards the shoulders, spine, and scapula.
What are the muscles of the scalp?
| Occipitalis muscle | Insertion Galea aponeurosis | Artery Occipital artery | Nerve Posterior auricular nerve (facial nerve) | Actions Moves the scalp back |
|---|
Which muscle is used to close the eyes?
The orbicularis oculi muscles
circle the eyes and are located just under the skin. Parts of this muscle act to open and close the eyelids and are important muscles in facial expression.
What type of muscle is gracilis?
Gracilis muscle is
a long and slender muscle
located in the medial (adductor) compartment of the thigh. It forms part of the adductor muscle group together with adductor longus, adductor brevis, adductor magnus and pectineus muscles.
What is gracilis muscle?
The gracilis is a
long, thin muscle located in the medial compartment of the thigh
. It originates on the medial aspect of the ischiopubic ramus and joins together with the sartorius and semitendinosus muscle tendons to form the pes anserine, which inserts on the superior medial tibia, medial to the tibial tuberosity.
Where are the facial muscles?
- Buccolabial muscles in and around your mouth.
- Nasal muscles around your nose.
- Epicranial muscles of your forehead, skull and neck.
- Auricular muscles around your ears.
- Orbital muscles surrounding your eyes.
What is the function of the eyebrows quizlet?
They
support the eyelids and serve as anchors for muscles running within the eyelid
.
What is a superficial muscle?
Superficial muscles
are close to the surface of the skin
. Muscles which lie closer to bone or internal organs are called deep muscles.
