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This muscle has an origin on the zygomatic bone & insertion on the upper lip and its action is to raise (elevate) the upper lip?
Lavator labii Superiorali, Angulii Oris, Buccinator
What 3 muscles of the facial expression insert on the orbicular oris?
Depressor Labii Inferioris,
What Muscle inserts on the skin of the lower lip, has origin on mandible and action is to depress the lip?
What are the fastest contracting and most precisely controlled skeletal muscles in the body?
They orginiate outside the eyeballs & insert on it's outer surface (whites of eyes)
Why are the eyeball muscles classified as extrinsic muscles?
This muscle has an origin on the sphenoid bone, insert on the wywball between the superior & lateral recti?
Superior Rectus, Inferior Rectus, Medial rectus,Inferior Oblique, Levator Palpebrae superioris
What muscle of the eye are innervated by occulomotor III?
O- Medial end of superciliary arch of the frontal bone.
I- Skin of eyebrow
What is the origin and insertion of the Corrugator supercilia?
Alveolar processes of maxilla & mandible near the molar teeth
What is the origin for the Buccinator?
Medial End of superciliary arch of the frontal bone
What is the origin of the corrugator supercilii?
Medial surface of lateral portion of pterygoids process of sphenoid bone; maxilla
What is the origin of Medial Pterygoid?
Greater wing and lateral surface of lateral portion of pterygoids process of sphenoid bone
What is the origin of Lateral Pterygoid?
Eyeball between superior & lateral recti. Inserts here via a tendon that passes through the trochlea of eye
What is the insertion of Superior Oblique?
Frontal Belly of the occipitofrontalis muscle; zygomatic Minor
Sammy wakes up morning of his birthday to find a new 10 speed bike in the garage. He wrinkles his forehead as in a look of surprise and smiles exposing teeth. What two muscles did he use in his facial expression?
Draws scalp anteriorly, raises eyebrows, and wrinkles skin of forehead horizontally as in a look of surprise
What is the action of Occipital Frontalis?
Styoglossus & Genioglossus
Bobby was teasing sarah and stuck his tongue out. When bobby noticed his mom watching he quickly drew his tongue back in. Which two muscle allowed him to do this?
Originates on the anterior surface of the soft palate and inserts on the side of the tonge. It elevates the posterior portion of the tongue and draws the soft palate down on the tongue?
Inferior & Superior Oblique
These 2 muscles do no originate on the tendonous ring around optic foramen?
Palatglossus, Hyloglossus, Styloglossus
The tongue is the insertion for which of the following muscles?
What is the only muscle of the anterior neck that does not insert into the hyoid bone?
Which of the following muscles divieds the anterior neck into triangles and is innervated by accessory XI?
The origin is sternal head manubrium of sternum; clavicular head; medial third clavicle
(bilateral) Lateral Flex and rotate head to same side as contracting muscle (unilateral) Rotate head to opposite side of contracting muscle & elevates the sternum during forced exhalation
What is the action of SCM
Cervical spinal nerves
The nerve innervation for all Scalene muscles, anterior, middle, & posterior?
Bordered by the superior mandible, inferiorly by the sternum, medially by the cervical midline, and laterally by the anterior border of SCM muscle
Bordered Inferiorly by the clavicle, anteriorly by the posterior border of the scm muscle and posteriorly by the anterior border of the trapezius muscle
Pain from the what of the scm may be referred to the superior cranial portion (calvaria) of the skull.
Assessment and therapy by a manual therapist sometimes enable patients to have a reduction in pain when other traditional treatments have been unable to effectively treat the cause of pain.
Referred paiin from what division of the scm may be perceived as pain deep to and around the ear and therefor the scm also play for "unexplained" earache
Acting bilaterally, extend head; acting unilaterally, laterally flex
Whats the action of Splenius Capitis & Splenius Cervicis
Bilaterally extend and maintain erect posture of vertebral column of their respective regions; acting unilaterally flex vertebral column of their respective regions?
Action of iliocostalis thoracic, cervicis, & lumborum?
Articular processes of c4-c7 and transverse processes of t1-t4
What is the origin of longissimus capitus?
Transverse process of all thoracic and superior lumbar vertebrae ribs 9 and 10
The insertion of the longissimus thoracis?
Together Extend vertebral column and singly lateral flexes vertebral column
What action does the longissimus thoracis and longissimus cervicis have?
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