Anatomy Muscle Flash Cards 2

Front 1

Orbicularis Oculi

Back 1

Origin:frontal and maxillary bones and ligaments around orbit
Insertion:circles orbit and inserts in tissue of eyelid
Action:Closes eyelids, aids passage and drainage of tears

Front 2

Nasalis

Back 2

Origin:maxilla
Insertion: nasal
Action:Compresses bridge, depresses tip of nose, elevates corners of nostrils

Front 3

Levator Labii Superioris Alaeque Nasi

Back 3

Origin: frontal process of maxilla
Insertion:upper lip muscles
nasal cartilage
Action:elevates the upper lip
flares the nostrils

Front 4

Levator Labii Superioris

Back 4

Origin: medial 1/2 of infraorbital margin
Insertion: upper lip muscles
Action:elevates the upper lip

Front 5

Leavator Anguli Oris

Back 5

Origin: maxilla, inferior to infraorbital foramen
Insertion: corner of the mouth
Action: lifts the angle(s) of the mouth (as in smiling)

Front 6

Zygomaticus Major

Back 6

Origin: anterior to zygomatic-temporal suture
Insertion: corner of mouth
Action: lifts and draws back the angle(s) of the mouth (as in smiling)

Front 7

Zygomaticus Minor

Back 7

Origin: zygomatic bone, posterior to maxillary-zygomatic suture
Insertion: skin of the upper lip
Action: elevates the upper lip

Front 8

Risorius

Back 8

Origin:Between the mandible and the mastoid process
Insertion: angle of the mouth
Action: draws the mouth laterally (as in smiling)

Front 9

Frontalis

Back 9

Origin: frontal bone
Insertion: skin of eyebrow
Action: raises eyebrow

Front 10

Corrugator Supercilli

Back 10

Origin: frontal bone just above the nose
Insertion: skin of the medial portion of the eyebrows
Action: draws the eyebrows downward and medially

Front 11

Orbicularis Oris

Back 11

Origin:maxilla and mandible
Insertion: encircles mouth, angles at mouth
Action: closes mouth/kissing muscle

Front 12

Depressor Anguli Oris

Back 12

Origin: along the oblique line of mandible
Insertion: angle of the mouth
Action: lowers the angle(s) of the mouth (as in frowning)

Front 13

Depressor Labii Inferioris

Back 13

Origin: along oblique line of the mandible
Insertion: skin of the lower lip
Action: draws the lower lip downward and laterally

Front 14

Mentalis

Back 14

Origin: mandible
Insertion: skin of chin
Action: Elevates and wrinkles skin of chin and protrudes lower lip

Front 15

Platysma

Back 15

Origin: subcutaneous skin over delto-pectoral region
Insertion: invests in the skin widely over the mandible
Action: depress mandible and lower lip
tenses the skin over the lower neck

Front 16

Galea Aponeurotica

Back 16

top of the cranium
moves scalp

Front 17

Occipitalis

Back 17

Origin: external occipital protuberance
Insertion: galea aponeurosis, over the occipital bone
Action: draws back the scalp to raise the eyebrows and wrinkle the brow

Front 18

Auricular Muscles

Back 18

surrounds outer ear
moves ear

Front 19

Procerus

Back 19

bridge of the nose
wrinkle space between eyebrow

Front 20

Buccinator

Back 20

between maxilla and mandible
pulls back angle of mouth and flatten cheek area

Front 21

Sternocleidomastoid

Back 21

Origin: sternum and clavicle
Insertion: mastoid process of the temporal bone
Action: flex head and neck (bilateral), brings chin up and to the side (unilateral)

Front 22

Suprahyoid Muscles

Back 22

Origin: hyoid bone
Insertion: bottom floor of the mouth and mandible
Action: control movement of tongue, depression of jaw, swallowing

Front 23

Infrahyoid Muscles

Back 23

Origin: clavicle and sternum
Insertion: hyoid bone
Action: stabilize hyoid bone, change tension around trachea, talking

Front 24

Scalenes

Back 24

Origin: rib 1 and 2
Insertion: occipital bone
Action: extension of head and neck, elevation of ribs 1 and 2 during forced inhalation

Front 25

Levator Scapulae

Back 25

Origin: mastoid process
Insertion: spinous process of scapula
Action: elevates scapula, shrugs shoulders

Front 26

Sternocleidomastoid

Back 26

Origin: sternum and clavicle
Insertion: mastoid process of the temporal bone
Action: flex head and neck (bilateral), brings chin up and to the side (unilateral)

Front 27

Suprahyoid Muscles

Back 27

Origin: hyoid bone
Insertion: bottom floor of the mouth and mandible
Action: control movement of tongue, depression of jaw, swallowing

Front 28

Infrahyoid Muscles

Back 28

Origin: clavicle and sternum
Insertion: hyoid bone
Action: stabilize hyoid bone, change tension around trachea, talking

Front 29

Scalenes

Back 29

Origin: rib 1 and 2
Insertion: occipital bone
Action: extension of head and neck, elevation of ribs 1 and 2 during forced inhalation

Front 30

Levator Scapulae

Back 30

Origin: mastoid process
Insertion: spinous process of scapula
Action: elevates scapula, shrugs shoulders

Front 31

Thoracic Diaphragm

Back 31

top divides thoracic and abdominal pelvic
Origin: lumbar vertebrae, lower par of rib cage, sternum
Insertion: inserts on its own central tendon
Action: inhale, increase volume of thoracic and decreases abdominal pelvic

Front 32

External Intercostal

Back 32

Superficial
Origin: superior edge of the inferior rib
Insertion: Inferior margin of superior rib
Action: Elevates ribs, causing inhalation

Front 33

Internal Intercostal

Back 33

Deep
Origin: inferior edge of superior rib
Insertion: superior edge of inferior rib
Action: depresses ribs, forced exhalation

Front 34

Rectus Abdominis

Back 34

Origin: pubis
Insertion: ribs and sternum
Action: causes spine to flex (bi-lateral), spine flexes laterally (unilaterally)

Front 35

Anterior Abdominal Wall

Back 35

Action: causes the spine to flex (bi-lateral), lateral flexion of spine (unilateral)
Transversus abdominis
Rectus abdominis
Internal oblique
External oblique

Front 36

Transersus Abdominis

Back 36

Anterior Abdominal Wall
deepest

Front 37

Rectus abdominis

Back 37

Anterior Abdominal Wall
second deepest

Front 38

Internal Oblique

Back 38

Anterior Abdominal Wall
second superficial
covers rectus abdominis

Front 39

External oblique

Back 39

Anterior Abdominal Wall
most superficial
covers internal oblique

Front 40

Pectoralis minor

Back 40

Origin: Ribs 3-5
Insertion: Caracoid process of scapula
Action: protracts and depresses scapula

Front 41

Serratus anterior

Back 41

Origin: Ribs 1-8, anterior and superior margins
Insertion: Medial border of scapula, anterior surface
Action: prime mover in scapula protraction, superiorly rotates scapula, stabilizes scapula

Front 42

Levator scapulae

Back 42

Origin: transverse process of cervical vertebrae
Insertion: superior part of medial border of scapula
Action: elevates scapula, inferiorly rotates scapula

Front 43

Rhomboid major

Back 43

Origin: spinous process of thoracic
Insertion: medial border of scapula from spine to inferior angle
Action: retracts (adducts) and elevates scapula, inferiorly rotates scapula

Front 44

Rhomboid minor

Back 44

Origin: spinous process of cervical and throacic
Insertion: medial border of scapula superior to spine
Action: retracts (adducts) and elevates scapula, inferiorly rotates scapula

Front 45

Trapezius

Back 45

Origin: occipital bone, spinous process of cervical and thoracic
Insertion: clavicle, acromion process and spine of scapula
Action: elevate and superiorly rotate scapula (superior), retract scapula (middle), depress scapula (inferior)

Front 46

Superior rotators

Back 46

serratus anterior
trapezius (superior part)

Front 47

Inferior rotators

Back 47

rhomboid major
rhomboid minor
levator scapulae

Front 48

Elevators

Back 48

rhomboid major
rhomboid minor
levator scapulae
tapezius (superior)

Front 49

Depressors

Back 49

trapezius (inferior)
serratus anterior
pectoralis minor

Front 50

Latissimus dorsi

Back 50

Origin: spinous process of thoracic
Insertion: intertubercular groove of humerus
Action: primer mover of arm extension, also adducts and medially rotates arm

Front 51

Pectoralis Major

Back 51

Origin: calvicle, ribs, sternum
Insertion: greater tubercule, humerus
Action: prime mover of arm flexion, also adducts and medially rotates arm

Front 52

Deltoid

Back 52

Origin: acromial end of clavicle, acromion and spine of scapula
Insertion: deltoid tuberosity of humerus
Action: flex and medially rotate arm (anterior), prime mover of arm abduction ( middle), extend and laterally rotate arm (posterior)

Front 53

Coracobrachialis

Back 53

Origin: coracoid process of scapula
Insertion: shaft of humerus
Action: adducts and flexes arm

Front 54

Teres Major

Back 54

Origin:inferior scapula
Insertion: lesser tubercle
Action: extends, adducts, and medially rotates arm

Front 55

Triceps brachii

Back 55

Origin: scapula
Insertion: olecranon process of ulna
Action: extends and adducts arm

Front 56

Rotator Cuff Muscles

Back 56

Subscapularis
Supraspinatus
Infraspinatus
Teres minor

Front 57

Subscapularis

Back 57

Origin: subscapular fossa of scapula
Insertion: lesser tubercle of humerus
Action: meidally rotates

Front 58

Supraspinatus

Back 58

Origin: supraspinous fossa of scapula
Insertion: greater tubercle of humerus
Action: abducts arm

Front 59

Infraspinatus

Back 59

Origin: infraspinous fossa of scapula
Insertion: greater tubercle of humerus
Action: adducts and laterally rotates arm

Front 60

Teres minor

Back 60

Origin: scapula
Insertion: greater tubercle of humerus
Action: adducts and laterally rotates arm

Front 61

Extensors

Back 61

Triceps Brachii
Anconeus

Front 62

Pronators

Back 62

Pronator teres
Pronator quadratus

Front 63

Flexors

Back 63

biceps brachii
branchialis
brachioradialis
pronator teres

Front 64

Supinators

Back 64

biceps brachii
supinator

Front 65

Tricpes Brachii

Back 65

Origin: scapula (long) posterior humerus (lateral) posterior humerus (medial
Insertion: olecranon of ulna
Action: primary extensor of elbow joint, long head of triceps also extends and adducts arm

Front 66

Anconeus

Back 66

Origin: lateral epicondyle of humerus
Insertion: olecranon of ulna
Action: extends elbow joint

Front 67

Pronator Quadratus

Back 67

Origin: distal 1/4 ulna
Insertion: distal 1/4 radius
Action: pronates forearm

Front 68

Pronator teres

Back 68

Origin: medial epicondyle of humerus and coronoid process of ulna
Insertion: lateral surface of radius
Action: pronates forearm and flexes forearm

Front 69

Supinator

Back 69

Origin: lateral epicondyle of humerus and ulna distal to radial notch
Insertion: anterolateral surface of radius distal to radial tuberoisty
Action: supinates forearm

Front 70

Biceps Brachii

Back 70

Origin:
Insertion:
Action:

Front 71

Brachialis

Back 71

Origin:
Insertion:
Action:

Front 72

Brachioradialis

Back 72

Origin:
Insertion:
Action: