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anatomylabexam
anatmylab
34
Biology
Undergraduate 1
01/31/2012

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Term
Frontalis
Definition
raises eyebrow, wrinkles skin of forhead
Term
Buccinator
Definition
compresses cheek; draws corner of mouth laterally
Term
zygomaticus
Definition
raises angle of mouth
Term
orbicularis oculi
Definition
closes eyelids
Term
orbicularis oris
Definition
closes eyelids
Term
Masseter
Definition
elevates mandible
Term
Temporalis
Definition
elevates and retracts mandible
Term
suprahyoids
Definition
group of muscles which lie superior to the hyoid. elevate the hyoid during swallowing and speaking.
Term
infrahyoids
Definition
group of muscles which lie inferior to the hyoid during swallowing and speaking
Term
sternocleidomastoid
Definition
flex head onto chest, rotate head
Term
splenius capitis
Definition
extend and rotate head
Term
trapezius
Definition
elevates, depresses, and adducts scapula; extends head
Term
serratus anterior
Definition
abducts and rotates scapula; raises point of shoulders; used to thrust arm forward; needed to move arm above horizontal
Term
serratus anterior
Definition
abducts and rotates scapula; raises point of shoulders; used to thrust arm forward; needed to move arm above horizontal
Term
serratus anterior
Definition
abducts and rotates scapula; raises point of shoulders; used to thrust arm forward; needed to move arm above horizontal
Term
pectoralis minor
Definition
draws scapula forward and downward; raises ribs
Term
pectoralis major
Definition
flex, adduct, and medially rotate humerus
Term
errector spinae
Definition
large group which includes the following smaller groups: iliocostalis, longissimus, spinalis (not seen on model)
Term
latissimus dorsi
Definition
extends, adducts, and medially rotates arm, ;depresses scapula
Term

deltoid

 

Definition
abducts, flexes, and extends arm
Term
supraspinatus
Definition
abduction at shoulder
Term
infraspinatus
Definition
rotation at the shoulder
Term
subscapularis
Definition
rotation at shoulder
Term
teres minor
Definition
rotation at shoulder
Term
biceps brachi
Definition
flexes and supinates forearm;flexes arm
Term
triceps brachii
Definition
extends forarm and arm
Term
external abdominal oblique
Definition
compresses abdomen, lateral flexion of vertebrae column
Term
rectus abdominus
Definition
flexes vertebrae column, compresses abdomen
Term
internal abdominal oblique
Definition
compresses abdomen; lateral flexion of vertebral column
Term
transversus abdominus
Definition
flexes vertebral column, compresses abdomen
Term
glutaus maximus
Definition
extends thigh
Term
gluteus medius
Definition
abducts thigh
Term
adductors
Definition
several muscles on the medial thigh; adduct thigh and leg
Term
gracillis
Definition
adduct thigh
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