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Unit 3 Flashcards

(65 cards)

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1
Q

Frontal
A
L

A

Releases eyebrows

Above eye

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2
Q

Occipital
A
L

A

Tenses and retracts scalp

Back of head

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3
Q

Orbicularis oris
A
L

A

Compresses, purses lips
Kissing

Around lips

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4
Q

Zygomaticus major
A
L

A

Retracts (pulls back) and elevates corners of mouth (smiling)

Below cheek

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5
Q

Levator labii superioris
A
L

A

Elevates upper lip

Between cheek and nose

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6
Q

Depressor labii inferioris
A
L

A

Depresses lower lip

Chin

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7
Q

Buccinator
A
L

A

Compresses cheeks (whistling/blowing and sucking)

Outside of lip corners

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8
Q

Mentalis
A
L

A

Elevates and protrudes lower lip (pouting)

Between lips and chin

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9
Q

Platysma
A
L

A

Tenses skin of neck and depresses mandible

Below chin on mandible

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10
Q

Risorius

A

A

Draws corner of mouth to the side (laterally)

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11
Q

Orbicularis oculi
A
L

A

Closes the eye

Around eye

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12
Q

Corrugator supercilii

A

A

Pulls skin, wrinkles brow (frowning)

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13
Q

Levator palpebrae superioris

A

A

Elevates upper eyelid, opens eye

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14
Q

Superior rectus

A

A

Moves eyeball superiorly and medially

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15
Q

Inferior rectus

A

A

Moves eyeball inferiorly and medially

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16
Q

Lateral rectus

A

A

Moves eyeball laterally

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17
Q

Medial rectus

A

A

Moves eyeball medially

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18
Q

Superior oblique

A

A

Moves eyeball inferiorly and laterally

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19
Q

Inferior oblique

A

A

Moves eyeball superiorly and laterally

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20
Q 
Masseter 
O
I
A
L
A

O. Maxilla and zygomatic arch
I. Angle and ramus of mandible
A. Elevates mandible and retracts mandible (closing mouth)
L. Up and down cheek

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21
Q 
Temporalis
O
I
A
L
A

O. Temporal and frontal bones
I. Coronoid process and ramus of mandible
A. Elevates and retracts mandible
L. Temple

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22
Q

Medial pterygoid

A

A

Elevates and protects and moves mandible from side to side

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23
Q

Lateral pterygoid

A

A

Protracted mandible, depresses mandible and moves it side to side

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24
Q

Genioglossus
O
I
A

A

O. Mandible
I. Under surface of tongue
A. Depresses tongue and thrusts it anteriorly (protraction)

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25
Styloglossus | A
Elevates tongue and retracts it
26
Stylohyoid O I A
O. Styloid process on temporal bone I. Body of hyoid A. Elevates the hyoid bone and draws it posteriorly
27
Hypoglossus | A
Depresses and retracts tongue
28
``` Digastric Anterior and posterior O I A ```
O. Anterior belly from inner side of inferior border of mandible Posterior belly from mastoid process of temporal bone I. Body of hyoid bone via an intermediate tendon A. Elevates hyoid bone and depresses mandible, as in opening mouth
29
Sternocleidomastoid O I A
O. Sternum and clavicle I. Mastoid process of temporal bone A. Acting together bilaterally, flex neck Acting unilaterally, flex and rotate head to side opposite contracting muscle
30
Splendid capitis | A
A. Acting together, extend neck | Acting alone, laterally flex and rotate neck to same side as contracting muscle
31
Diaphragm O I A
O. Xiphoid process of the sternum, costal cartilages of ribs 4-10 and lumbar vertebrae I. Central tendon A. Forms floor of thoracic cavity Pulls central tendon inferiorly during inspiration which expands thoracic cavity
32
External intercostals O I A
O. Inferior border of rib above I. Superior border of rib below A. Elevates ribs during inspiration
33
Internal intercostals O I A
O. Superior border of rib below I. Inferior border of rib above A. Depresses ribs during forced expiration
34
Rectus abdominis O I A
O. Public crest and pubic symphysis I. Cartilage of fifth to seventh ribs and xiphoid process A. Flexes trunk, compresses abdomen during defecation, urination, forced expiration and child birth
35
External oblique O I A
O. Inferior 8 ribs I. Iliac crest and linea alba A. Compresses abdomen, flexion and lateral flexion of trunk
36
Internal oblique O I A
O. Iliac crest, inguinal ligament, and thoracolumbar fascia I. Cartilage of the last three or four ribs and linea alba A. Compresses abdomen, flexion and lateral flexion of truck
37
Transverse abdominis O I A
O. Iliac crest, inguinal ligament, lumbar fascia and cartilages of inferior six ribs I. Xiphoid process, linea alba and pubis A. Compresses abdomen
38
Quadratus lumborum | A
Laterally flex or trunk | Raise hip
39
Spine
Vertebrae
40
Spinalis
Between spine and longissimus
41
Longissimus
Between spinalis and iliocostalis
42
Iliocostalis
Next to longissimus
43
Capitis
To cranium
44
Cervicis
To cervical ribs
45
Thoracis
To thoracic ribs
46
Lumborum
To lumbar ribs
47
``` Erector Spinae (sacrospinalis) muscles (3) ```
Spinalis Longissimus Iliocostalis
48
Spinalis group L A Other
Medial A. Bilaterally: extension of spine Unilaterally: lateral flexion of spine O. Spinalis capitis Spinalis cervicis Spinalis thoracis
49
Longissimus group L A Other
Intermediate A. Bilaterally: extension of spine. Unilaterally: lateral flexion of spine O. Longissimus capitis Longissimus cervicis Longissimus thoracis
50
Iliocostalis group L A Other
Lateral A. Bilaterally: extension of spine. Unilaterally: laterally flexion of spine O. iliocostalis cervicis Iliocostalis thoracis Iliocostalis lumborum
51
Levator ani | A
Works with the anus A. Tenses and supports pelvic floor. Resists infra-abdominal pressure during forced expiration, coughing, vomiting, urination and defecation
52
Coccygeus | A
Right off tail bone A. Tenses and supports pelvic floor. Resists intros-abdominal pressure during forced expiration, coughing, vomiting, urination and defecation
53
Bulbodpongiosus | A
A. Helps expel urine propels semen assists erection of penis Constricts vaginal orifice and assists in erection of clitoris
54
Ishiocavernosus | A
A. Maintains erection of penis and clitoris
55
External anal sphincter | A
A. Closes anal opening
56
Pectoralis major O I A
O. Clavicle, sternum and costal cartilages of second to sixth ribs I. Greater tubercle and intertubercular sulcus of humerus A. Ad ducts and medially rotates arm at shoulder joint. Clavicular head flexs arm. Sternocostal head extends arm
57
Pectoralis minor O I A
O. Anterior superior surface of ribs 3-5 I. Coraclid process of scapula A. Depresses and abducts scapula and rotates it downward. Elevates third through fifth ribs during forced inspiration.
58
Serrated anterior O I A
O. Superior eight or nine ribs I. Vertebral border and inferior angle of scapula A. Abucts scapula and rotates it upward. Elevates ribs.
59
Trapezius O I A
Big muscle in back O. Superior nuchal line of occipital bone, ligamentum nuchae and spines of seventh cervix and all thoracic vertebrae I. Clavicle and a domino and spine of scapula. A. Elevates, depresses and adducts scapula; stabilizes and rotates it upwards. Extend head.
60
Levator scapulae O I A
O. Superior four or five cervical vertebrae I. Superior vertebral border of scapula A. Elevates scapula
61
Rhomboideus major O I A
O. Spines of 2nd to 5th thoracic vertebrae I. Vertebral border of scapula A. Elevates and adducts scapula Stabilizes scapula and rotates it downward
62
Rhomboideus minor O I A
O. Spines of 7th cervical and first thoracic vertebrae I. Vertebral border of scapula superior to spine A. Elevates and adducts scapula Stabilizes scapula and rotates it downward
63
Larissimus Doris O I A
O. Spines of six thoracic vertebrae, lumbar vertebrae, crests of sacrum and ilium inferior four ribs I. Intertubercular sulcus of humerus A. Extends adducts and medially rotates humerus Draws arm inferiorly and posteriorly
64
Deltoid O I A
O. Acromial extremity if clavicle (anterior fibers) acromial of scapula (lateral fibers) and spine of scapula (posterior fibers) I. Deltoid tuberosity of humerus A. Abduct the arm. Flex and extend arm Also does medial and lateral rotation of arm
65
Teres major O I A
O. Inferior angle of scapula I. Intertubercular groove of humerus A. Extends arm and assists adduction and medial rotation of arm

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