Admin Table of Contents
- 1 Which muscle is the prime mover for raising your eyebrows?
- 2 What muscle raises the eyebrows quizlet?
- 3 Which two muscles are synergists in closing your jaw?
- 4 What muscles does expressing surprise use?
- 5 How do you relax your eyebrow muscles?
- 6 What is the longest muscle name?
- 7 What is the name of the muscles that raise eyebrows?
- 8 What are the muscles used in blinking and squinting?
Which muscle is the prime mover for raising your eyebrows?
corrugator supercilii
There are several small facial muscles, one of which is the corrugator supercilii, which is the prime mover of the eyebrows. Place your finger on your eyebrows at the point of the bridge of the nose. Raise your eyebrows as if you were surprised and lower your eyebrows as if you were frowning.
What muscle raises the eyebrows 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 muscle pulls the eyebrows together?
Corrugator supercilii muscle
| Corrugator supercilii muscle | |
|---|---|
| Origin | Supraorbital ridge ( Superciliary arches ) |
| Insertion | Forehead skin, near eyebrow |
| Artery | Ophthalmic artery |
| Nerve | Facial nerve |
What muscle is used to form the vertical frown crease on the forehead?
procerus muscle
The muscle that (1) forms the vertical frown crease on the forehead is called the procerus muscle.
Which two muscles are synergists in closing your jaw?
Action and name of muscles
| Question | Answer |
|---|---|
| the kissing muscle | orbicularis oris |
| prime mover of the jaw closure | masseter |
| synergist muscle for jaw closure | temproalis |
| prime mover of head flexion; a two-headed muscle | sternocleidomastoid |
What muscles does expressing surprise use?
4.1 Introduction
| Isolated contraction of muscles | |
|---|---|
| Expression | Muscles involved |
| Attention, almost an expression of surprise or admiration | m. frontalis |
| Reflection | Superior part of m. orbicularis oculi, moderately contracted |
| Meditation, mental concentration | Superior part of m. orbicularis oculi, strongly contracted |
Which facial muscles would you use to close the mouth quizlet?
Muscles of mastication. Fan like muscle that runs from the temporal fossa to the ramus of the mandible. This muscle works with the masseter to close the mandible.
Which skeletal muscle raises the eyebrows as when surprised?
Since the frontalis muscle attaches to the skin around the eyebrows, this muscle’s main function is to raise the eyebrows which also causes the skin of the forehead to wrinkle. Oftentimes when a person is shocked or frightened, their eyebrows will be elevated and their forehead will become wrinkled.
How do you relax your eyebrow muscles?
3. Facial exercises for tension relief
- Happy face. Smile as wide as you can, hold for the count of 5 and then relax.
- Slack jaw. Let your jaw fully relax and your mouth hang open.
- Brow furrow. Wrinkle your forehead by arching your eyebrows as high as possible.
- Eye squeeze.
- Nose scrunch.
What is the longest muscle name?
sartorius
The longest muscle in your body is the sartorius, a long thin muscle that runs down the length of the upper thigh, crossing the leg down to the inside of the knee.
What is the prime mover of arm abduction?
deltoid muscle
The middle region of the deltoid muscle is the prime mover for arm abduction. The pectoralis major acts as an antagonist to the middle deltoid anteriorly, whilst the latissimus dorsi acts as the antagonist posteriorly.
Which muscles is used to pout?
Mentalis. Sometimes called the ‘pouting muscle’, contraction of the Mentalis raises and thrusts out the lower lip to make us pout.
What is the name of the muscles that raise eyebrows?
Muscles and their actions Terms in this set (38) Epicranius (frontalis) raises eyebrows for a questioning expression Orbicularis oculi uses in blinking and squinting (closed eye) Buccinator used to suck in cheeks Zygomaticus used in smiling (draws corner of mouth upward) Temporalis closed jaw Masseter prime mover to raise mandible (closes jaw)
What are the muscles used in blinking and squinting?
Orbicularis oculi uses in blinking and squinting (closed eye) Buccinator used to suck in cheeks Zygomaticus used in smiling (draws corner of mouth upward) Temporalis closed jaw Masseter prime mover to raise mandible (closes jaw) Sternocleidomastoid prayer muscle (rotates head, flexes head) Trapezius shrugging the shoulders (extends head, neck)
Which is the muscle that rotates the head?
Sternocleidomastoid prayer muscle (rotates head, flexes head) Trapezius shrugging the shoulders (extends head, neck) External intercostals