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A and P Lab Exam
Muscles and Brain
96
Anatomy
Undergraduate 3
12/04/2012

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Cards

Term
Orbicularis oculi
Definition
blinking,squinting, draws eyebrows down
Term
orbicularis oris
Definition
closes and purses lips
Term
buccinator
Definition
draws corners of mouth laterally
Term
masseter 
Definition
elevates mandible
Term
frontalis(epicranius, frontal belly)
Definition
rasises eyebrows and wrinkles forehead
Term
temporalis
Definition
closes, elevates, and retracts mandible
Term
zygomaticus (major, minor)
Definition
raises corner of mouth upward, smiling muscle
Term
platysma
Definition
tenses skin of neck, helps depress mandible
Term
digastric
Definition
elevates hyoid bone
Term
stylohyoid
Definition
elevates aand retracts hyoid
Term
mylohyoid
Definition
elevates hyoid boen and floor of mouth
Term
sternohyoid
Definition
depresses larynx and hyoid bone
Term
sternothyroid
Definition
pulls thyroid catridge inferiorly
Term
omohyoid
Definition
depresses and retracts hyoid bone
Term
thyrohyoid
Definition
depress hyoid bone and elevates larynx
Term
sternocleidomastoid
Definition
active head flexion and rotation
Term
illiocostalis
Definition
extends vertebral column
Term
longissimus
Definition
extends vertebral column
Term
spinalis
Definition
extends vertebral column
Term
external intercostals
Definition
pulls ribs together
Term
internal intercostals 
Definition
draws ribs together
Term
diaphragm
Definition
inspiration, expansion of thoracic cavity
Term
trapezius
Definition
stabilizes, raises, retracts, and rotates scapula
Term
levator scapulae
Definition
elevates, adducts scapula
Term
rhomboid minor
Definition
acts with rhomboid major to retract scapula
Term
rhomboid major
Definition
acts with rhomboid minor to retract scapula
Term
latissimus dorsi
Definition
prime mover of arm extension, powerful are adductor, medial rotation of arm at shoulder
Term
subscapularis
Definition
chief medial rotator of humerus, stabilizes shoulder joint
Term
supraspinatus
Definition
stabilizes shoulder joint
Term
infraspinatus
Definition
stabilizes shoulder joint, lateral rotation of shoulder
Term
teres minor
Definition
stabilizes shoulder joint, lateral rotation of shoulder
Term
teres major
Definition
medial rotation, humerus adduction
Term
iliacus
Definition
thigh flexion
Term
psoas major
Definition
thigh flexion
Term
sartorius
Definition
flexes, abducts, and laterally rotates thigh
Term
adductor magnus
Definition
adduction and medial rotation of thigh
Term
adductor longus
Definition
adduction, flexion, and medial rotation of thigh
Term
adductor brevis
Definition
adduction and medial rotation of thigh
Term
pectineus
Definition
adduction flexion, and medial rotation of thigh
Term
gracilis
Definition
adduction, flexion, and medial rotation of thighiliac spine
Term
rectus femoris
Definition
knee extension
Term
vastus lateralis
Definition
knee extension
Term
vastus medialis
Definition
knee extension
Term
vastus intermedius
Definition
knee extension
Term
tensor fasciae latae
Definition
flexion and abduction of knee, medial rotation of knee
Term
gluteus maximus
Definition
thigh extensor
Term
gluteus minimus
Definition
abdusction andm edial rotation of thigh
Term
gluteus medius
Definition
aduction and medial rotation of thigh
Term
piriformis
Definition
rotates extended thigh laterally
Term
obturator internus
Definition
rotates extended thigh laterally
Term
superior gemellus
Definition
roatates extended thigh laterally
Term
inferior gemellus
Definition
roatates extended thigh laterally
Term
quadratus femoris
Definition
ratates thigh laterally, stabilizes hip joint
Term
biceps femoris
Definition
extends thigh and flexes knee
Term
semintendinosus
Definition
extends thigh at hip and flexes knee
Term
semimembranosus
Definition
extends thigh flexes knee
Term
tibialis anterior
Definition
dorsiflexion and inversion of foot
Term
extensor digitorum longus
Definition
toe extension
Term
extensor hallicus longus
Definition
extension of great toe
Term
fibularis (peroneus) longus
Definition
plantar flexes and everts foot
Term
fibularis (peroneus) brevis
Definition
plantar flexes and everts foot
Term
gastrocnemius
Definition
plantar flexes foot
Term
soleus
Definition
plantar flexes foot
Term
plantaris
Definition
assists in knee flexion and lantar flexion of foot
Term
popliteus
Definition
flexion and medial rotation of leg
Term
flexor digitorum longus
Definition
plantar flexion and inversion of foot
Term
flexor hallicus longus
Definition
plantar flexes andi inverts foot
Term
tibialis posterior
Definition
foot inversion
Term
coracobrachialis
Definition
flexion and addiction if humerus
Term
triceps bachii
Definition
powerful forearm extensor
Term
anconeus
Definition
abducts ulna
Term
biceps brachii
Definition
flexes elbow joint
Term
brachialis
Definition
major forearm flexor
Term
brachioradialis
Definition
forearm flexion, stabilizes elbow
Term
pronator teres
Definition
pronates forearm
Term
flexor carpi radialis
Definition
wrist flexor and hand abductor
Term
palmaris longus
Definition
weak wrist flexor, tenses skin of palm
Term
flexor carpi ulnaris
Definition
powerful wrist flexor and hand adductor
Term
flexor pollicis longus
Definition
flexes distal phalanx of thumb
Term
flexor digitorum profundus
Definition
flexor of fingers
Term
pronator quadratus
Definition
forearm pronation
Term
extensor carpi radialis longus
Definition
wrist extension
Term
extensor carpi radialis brevis
Definition
extends and abducts wrist
Term
extensor digitorum
Definition
finger extension, abduct (flare) fingers
Term
extensor carpi ulnaris
Definition
extends and abducts wrist
Term
supinator
Definition
supinate forearm
Term
abductor pollicis longus
Definition
abducts and extends thumb, abducts wrist
Term
extensor pollicus brevis and longus
Definition
thumb extension
Term
serratus anterior
Definition
protract and hold scapula against chest wall
Term
rectus abdominis
Definition
flexes vertebral column or trunk
Term
transverse abdominis
Definition
compression of abdominal contents
Term
internal oblique
Definition
compression and flexion of vertebral column
Term
external oblique
Definition
compression, flexion of trunk
Term
pectoralis major 
Definition
adduction of arm, some medial rotation
Term
pectoralis minor
Definition
draw scapula down or ribcage up
Term
deltoid
Definition
prime mover of arm abduction
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