Muscle Practical Ch. 10 Flashcards
Frontalis
raises eyebrows
occipitalis
moves scalp
orbicularis Oculi
Closes eyelids
Zygomaticus Major & minor
lift corners of mouth to smile
orbicularis Oris
kissing, speech, lip pucker
Buccinator
chewing, blowing, sucking, whistling
temporalis
elevates mandible for chewing
Sternocleidomastoid
elevates sternum during breathing, rotates head
Masseter
elevates mandible, closes mouth
Scalenes
elevates upper ribs, used in inhaling
platysma
pouting, depresses mandible
mentalis
pouting
Any with glossus
move tongue
Any with hyoid
move hyoid bone
Superior, inferior, later, medial rectus & superior and inferior oblique.
move eyeball
pectorals major
Adduct the humerus, moves arm across the body
pectoralis minor
elevates ribs 3-5, moves scapula
serratus anterior
moves scapula, punching and pushing, elevates ribs
Deltoid
abducts humerus
rectus abdominis
wash board, urination, dedication, flexion of trunk
external oblique
rotate trunk
internal oblique
rotate trunk
transverse abdominis
compress abdomen and love handles
trapezius
scapula, shoulder shrugs
latissimus dorsi
adduct/extend humerus
splenius captius
rotates head
levator scapulae
elevates scapula
supraspinatus
abducts arm and rotator cuff
infraspinatus
abducts and laterally rotates arm and rotator cuff
teres minor
adducts arm and rotation and rotator cuff
subscapularis
medially rotates humerus and rotator cuff
rhomboid major
retracts scapula
coracobrachialis
flexes humerus
pronator teres
pronates forarm and palm down
teres major
adducts arm and rotation
external intercostals
used in inhaling
internal intercostals
used in inhaling
diaphragm
expands the thoracic cavity compresses the abdominopelvic cavity
triceps brachii
extends forarm
Brachioradialis
flexes arm at elbow
biceps brachii
flexes the forearm
brachialis
flexes forarm
supinator
supinates forarm, palm down
palmaris longus
flexes wrist
flexor digitorum superficialis
flexes the fingers
flexor carpi radialis
flexes wrist
flexor carpi ulnaris
flexes wrist
gluteus maximus
extends thigh - largest in body
Gluteus medius
abducts thigh run walk or climb
Gluteus minimus
abduct thigh
lliopsoas
.
psoas major
flex thigh at hip allows to sit up
llicaus
extends thigh at hip and lay down
tensor fasciae latae
flexes thigh
adductor longus, brevis, magnus
adducts thigh and laterally rotates
gracilis
adducts thigh and medially rotates
sartorius
flexes leg
quadriceps
extends leg at knee 4 parts (hence Quad) - rectus femoris - vastus lateralis - vastus medialis -vastus intermedius
hamstrings
flexes leg at knee 3 parts - biceps femoris - semitendinosus - semimembranosus
Gastrocnemius
calf
soleus
plantar flexes foot
tibialis anterior
dorsiflexes inverts foot
extensor digitorum longus
dorsiflexes everts foot
fibularis longus
plantar flexes foot