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Muscle Actions
Muscles & Actions Flash Cards
50
Anatomy
12th Grade
02/25/2014

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Cards

Term
Trapezius
Definition
rotates scapula and raises arm, raises scapula; pulls scapula medially or pulls scapula and shoulder
Term
Pectoralis Minor
Definition
pulls scapula anteriorly and downward or raises RIBS
Term
Pecotralis Major
Definition
pulls arm anteriorly and across CHEST. rotates humerus or adducts arm
Term
Serratus Anterior
Definition
pulls scapula anteriorly and downward
Term
Deltoid
Definition
abducts arm, extends or flexes humerus
Term
Latissimus Dorsi
Definition
extends and adducts and rotate humerus inwardly or pulls shoulder downward and posteriorly
Term
Levator Scapulae
Definition
ELEVATES scaupla
Term
Supraspinatus
Definition
abducts arm
Term
Infraspinatus
Definition
Rotates arm laterally
Term
Teres minor
Definition
rotates arm laterally
Term
Teres Major
Definition
extends humerus or adducts and rotates arm medially
Term
Rhomboideus Major
Definition
Raises and adducts scapula
Term
External Oblique
Definition
tenses abdominal wall and compresses abdominal content
Term
Rectus Abdominis
Definition
tenses abdominal wall and compresses abdominal content ALSO flexes vertebral column.
Term
Transverse Abdominis
Definition
tenses abdominal wall and compresses abdominal content
Term
Internal Oblique
Definition
tenses abdominal wall and compresses abdominal content
Term
Gracilis
Definition
adducts thigh, flexes & rotates lower limb medially
Term
Sartorius
Definition
flexes leg & thigh, abducts thigh, rotates thigh laterally & rotates leg medially
Term
Rectus Femoris
Definition
extend
Term
Vastus Medialis
Definition
extends leg at knee
Term
Vastus Lateralis
Definition
extends leg at knee
Term
Tibialis Anterior
Definition
dorsifelxion & inversion of foot
Term
Peroneus Longus
Definition
plantar flexion & eversion of foot, also supports arch
Term
Gastrocnemius
Definition
plantar flexion of foot and flexion of leg at knew
Term
Soleus
Definition
plantar flexion of foot
Term
Biceps Femoris
Definition
flexes leg, extends thigh
Term
Semitendinosus
Definition
flexes leg, extend thigh
Term
Gluteus medius
Definition
abducts & rotates thigh medially
Term
Gluteus Maximus
Definition
extends thigh
Term
Frontalis
Definition
raises eyebrow
Term
Temporalis
Definition
closes jaw
Term
Orbicularis oculi
Definition
closes eye
Term
Zygomaticus
Definition
raises corner of mouth
Term
Buccinator
Definition
compresses checks inward (fish face)
Term
Masseter
Definition
closes jaw
Term
Orbicularis oris
Definition
closes & protrudes lips (kissing)
Term
Sternocleidomastoid
Definition
pulls head to one side, pulls head toward chest or raises sternum
Term
Platysma
Definition
draws angle of mouth downward
Term
Tricpes Brachii
Definition
extends forearm at elbow
Term
Biceps Brachii
Definition
flexes forearm at elbow and rotates hand laterally
Term
Brachioradialis
Definition
flexes forearm at elbow
Term
Brachialis
Definition
flexes forearm at elbow
Term
Extensor Digitorium
Definition
extends FINGERS
Term
Extensor Carpi Ulnaris
Definition
extends and aDducts wrist
Term
Flexor Carpi Ulnaris
Definition
flexes and aBducts wrist
Term
Extensor Carpi Radialis Brevis
Definition
extends wrist and abducts hand
Term
Extensor Carpi Radialis Longus
Definition
extends wrist & abducts hand
Term
Flexor Carpi Radialis
Definition
flexes and abducts wrist
Term
Flexor Digitorium (profundus)
Definition
flexes distal joint of fingers
Term
Palmaris Longus
Definition
flexes wrist (palm)
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