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Musculature
N/A
38
Anatomy
Undergraduate 3
10/06/2014

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Cards

Term
orbicularis oris
Definition
muscle that puckers lips; sphincter/circular fascicle type
Term
orbicularis oculi
Definition
muscle that closes eyes; sphincter/circular fascicle type
Term
frontalis
Definition
muscle used to raise eyebrows
Term
temporalis- masseter and pterygoids
Definition
which muscles are considered "muscles of mastication"?
Term
masseter
Definition
muscle that elevates mandible (closes jaw)
Term
pterygoids
Definition
functions of this muscle is to protract and laterally translate the mandible for side to side chewing
Term
genioglossus
Definition
function of this muscle is to protrude tongue
Term
sternocleidomastoid muscle (SCM)
Definition
bilateral: flexes head
unilateral: turns head to opposite side
Term
orbicularis oculus
Definition
muscle that closes eyelids
Term
Spinalis, longissimus, iliocostalis
Definition
What are the. Muscles of the group "erector spinae muscles"?
Term
orbicularis oris
Definition
muscle that closes lips
Term
frontalis
Definition
muscle that raises eyebrows
Term
buccinator
Definition
tightens the cheeks
Term
temporalis
Definition
the muscle that elevates and retracts the mandible
Term
masseter
Definition
this muscle is the primary elevator of the mandible
Term
pterygoids
Definition
muscle used for elevating mandible, side to side grinding, protraction of mandible
Term
genioglossus
Definition
muscle that protracts the tongue
Term
sternocleidomastoid
Definition
the unilateral part of this muscle turns the head to opposite side, bilateral flexes the neck
Term
spinalis, longissimus, iliocostalis
Definition
what three muscles make up the erector spinae?
Term
erector spinae
Definition
bilaterally, these muscles extend the trunk, neck, and head. unilaterally, these muscles laterally flex and rotate the head towards the same side
Term
diaphragm
Definition
main muscle of inspiration
Term
external intercostals
Definition
these muscles elevate the ribs and aid in inspiration
Term
internal intercostals
Definition
these muscles depress the ribs and aid in expiration
Term
rectus abdominus
Definition
muscle that compresses abdominal contents and rotates/flexes trunk
Term
rectus abdominus, external oblique, internal oblique
Definition
These three muscles compress the abdominal contents and rotate/flex trunk
Term
transversus abdominus
Definition
This muscle's only function is to compress the abdominal contents
Term
trapezius
Definition
muscle that stabilizes, retracts, elevates, depresses, and rotates scapula
Term
serratus anterior
Definition
muscle that protracts, stabilizes, and rotates scapula; it also holds the scapula against the thorax
Term
pectoralis major
Definition
this muscle medially rotates and adducts the arm
Term
lastissimus dorsi
Definition
this muscle extends and adducts the arm
Term
teres major
Definition
this muscle medially rotates and adducts arm, and stabilizes the shoulder
Term
deltoid
Definition
this muscle flexes, extends, abducts shoulder
Term
supraspinatus, infraspinatus, teres minor, subscapularis
Definition
these muscles are all part the rotator cuff
Term
coracobrachialis
Definition
this muscle flexes the shoulder
Term
brachialis
Definition
this uncle flexes the elbow
Term
biceps brachii
Definition
this muscle flexes the shoulder, flexes the elbow, and supinates forearm
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