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96 Cards in this Set
- Front
- Back
orbicularis oculi origin
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bones of orbit
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orbicularis oculi insertion
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tissue of eyelid
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orbicularis oculi action
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closes eyes
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masseter origin
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zygomatic arch
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masseter insertion
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mandible (coronoid process)
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masseter action
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lifts mandible; closes jaws
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orbicularis oris origin
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maxilla; mandible
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orbicularis oris insertion
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lips
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orbicularis oris action
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closes and purses lips
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sternohyoid origin
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clavicle; manubrium
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sternohyoid insertion
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hyoid bone
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sternohyoid action
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depresses hyoid bone and larynx
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sternocleidomastoid origin
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clavicular head: clavicle
sternal head: manubrium |
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sternocleidomastoid insertion
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mastoid process; superior nuchal line
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sternocleidomastoid action
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together: flex neck
alone: bend or rotate head to side |
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trapezius origin
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occipital bone; spinous processes of thoracic vertabrae
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trapezius insertion
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clavicle; scapula (acromion & spine)
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trapezius action
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elevate scapula, neck or clavicle
retract, depress or rotate scapula |
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deltoid origin
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clavicle; scapula (acromion and spine)
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deltoid insertion
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humerus (deltoid tuberosity)
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deltoid action
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abducts, extends, and flexes shoulder
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pectoralis major origin
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clavicle, sternum, cartilage of ribs 2-6
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pectoralis major insertion
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humerus (greater tubercle, intertubercular groover)
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pectoralis major action
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flexes, adducts, and rotates shoulder (medially)
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pectoralis minor origin
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end of ribs 3-5
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pectoralis minor insertion
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scapula (coracoid process)
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pectoralis minor action
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depresses shoulder
elevates ribs rotates scapula |
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biceps brachii origin
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short head: scapula (coracoid process)
long head: scapula (supraglenoid tubercle) |
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biceps brachii insertion
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radius (radial tuberosity)
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biceps brachii action
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flexes elbow and shoulder
supinates forearm |
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triceps brachii origin
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lateral head: humerus (superior, lateral surface)
long head: scapula (infraglenoid tubercle) medial head: humerus (posterior, inferior surface) |
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triceps brachii insertion
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ulna (olecranon)
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triceps brachii action
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extends elbow
long head also extends shoulder |
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brachialis origin
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humerus (anterior)
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brachialis insertion
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ulna (tuberosity)
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brachialis action
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flexes elbow
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subscapularis origin
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scapula (subscapular fossa)
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subscapularis insertion
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humerus (lesser tubercle)
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subscapularis action
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rotate shoulder (medially)
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supraspinatus origin
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scapula (supraspinous fossa)
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supraspinatus insertion
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humerus (greater tubercle)
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supraspinatus action
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abduction at shoulder
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infraspinatus origin
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scapula (infraspinous fossa)
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infraspinatus insertion
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humerus (greater tubercle)
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infraspinatus action
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rotates shoulder (laterally)
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teres major origin
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scapula (inferior angle)
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teres major insertion
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humerus (intertubercular groove)
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teres major action
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extends, adducts and rotates (medially) shoulder
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external intercostal origin
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inferior border of rib
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external intercostal insertion
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superior border of next lowest rib
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external intercostal action
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elevate ribs
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internal intercostal origin
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superior border of each rib
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internal intercostal insertion
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inferior border of next highest rib
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internal intercostal action
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depress ribs
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latissimus dorsi origin
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spinous processes of lower thoracic and all lumbar vertabrae; thoracolumbar fascia
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latissimus dorsi insertion
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humerus (intertubercular groove)
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latissimus dorsi action
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extends, adducts, and rotates (medially) shoulder
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rectus abdominis origin
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pubis (pubic crest; symphysis pubis)
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rectus abdominis insertion
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xiphoid process; costal cartilages of ribs 5-7
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rectus abdominis action
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depresses ribs
flexes spine compresses abdomen |
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external oblique origin
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ribs 5-12
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external oblique insertion
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linea alba; iliac crest
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external oblique action
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compresses abdomen
depresses ribs bends spine |
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internal oblique origin
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thoracolumbar fascia; iliac crest
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internal oblique insertion
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linea alba; costal cartilages of lower ribs; xiphoid process
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internal oblique action
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compresses abdomen
depresses ribs bends spine |
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transversus abdominis origin
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costal cartilages of ribs 6-12; thoracolumbar fascia; iliac crest
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transversus abdominis insertion
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linea alba; pubis
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transversus abdominis action
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compresses abdomen
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sartorius origin
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anterior superior iliac spine
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sartorius insertion
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tibia (medial surface)
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sartorius action
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flexes knee
flexes and rotates (laterally) at hip |
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vastus lateralis origin
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femur (greater trochanter; linea aspera)
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vastus lateralis insertion
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tibia (tibial tuberosity)
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vastus lateralis action
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extends knee
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rectus femoris origin
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anterior inferior iliac spine; rim of ilium
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rectus femoris insertion
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tibia (tibial tuberosity)
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rectus femoris action
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extends knee
flexes hip |
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vastus medialis origin
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femur (linea aspera)
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vastus medialis insertion
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tibia (tibial tuberosity)
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vastus medialis action
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extends knee
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gracilis origin
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inferior ramus of pubis
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gracilis insertion
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tibia (medial surface)
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gracilis action
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flexes knee
adducts and rotates (medially) at hip |
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semimembranosus origin
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ischial tuberosity
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semimembranosus insertion
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tibia (medial condyle)
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semimembranosus action
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flexes knee
extends and rotates (medially) at hip |
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semitendinosus origin
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ischial tuberosity
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semitendinosus insertion
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tibia (medial surface, near insertion of gracilis)
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semitendinosus action
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flexes knee
extends and rotates (medially) at hip |
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biceps femoris origin
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ischial tuberosity; linea aspera
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biceps femoris insertion
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fibula (head); tibia (lateral condyle)
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biceps femoris action
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flexes knee
extends and rotates (laterally) at hip |
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gastrocnemius origin
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femur (both condyles)
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gastrocnemius insertion
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calcaneus
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gastrocnemius action
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extends ankle
inversion of foot flexes knee |