Appendicular Muscles

Question 1

Frontalis

Answer 1

Forehead muscle

Raises eyebrows

Question 2

Occipitalis

Answer 2

Retracts scalp
Found on occipital (back of head)

Question 3

Orbicular oris

Answer 3

Purses lips
Around the lips

Question 4

Orbicularis oculi

Answer 4

Closes eye
Around the eye

Question 5

Platysma

Answer 5

Neck region
Tenses skin of neck

Question 6

Zygomaticus major

Answer 6

Pulls corners of mouth superiorly

Found on superior zygomatic

Question 7

Zygomaticus minor

Answer 7

Raises upper lip
Below zygomatic major

Question 8

Buccinator

Answer 8

Cheek

Presses cheeks against molars

Question 9

Temporalis

Answer 9

Orgin: parietal bone , frontal bone
Insertion: conoid process of mandible
Action: elevates and retracts mandible at jaw

Question 10

Masseter

Answer 10

Orgin: Zygomatic arch
Insertion: coronoid process of mandible
Action: closes jaw

Ramus of mandible region

Question 11

Sternocleidomastoid

Answer 11

Mastoid to sternum
Orgin: manubrium of sternum
Insertion: mastoid process of temporal bone
Action: laterally flexes

Question 12

Splenius capitis

Answer 12

Attaches at ligamentum nuchae and goes down to mid spine

Orgin : ligamentum nuchae
Insertion: occipital bone
Action: extends head

Question 13

Splenius cervicis

Answer 13

Orgin: spinous process of T3-T6
Insertion: transverse process of cervical vertebrae
Action: extends head

Question 14

Trapezius

Answer 14

On the back beside scapula

Depresses scapula

Question 15

Levator scapulae

Answer 15

Above scapula

Elevates scapula

Question 16

Rhomboid major

Answer 16

Large and beside scapula

Adducts scapula

Question 17

Rhomboid minor

Answer 17

Smaller above rhomboid major

Adducts scapula

Question 18

Serratus anterior

Answer 18

Side of ribs looks jagged

Abducts and stabilizes scapula

Question 19

Pectoralis minor

Answer 19

Goes across your tits
Abducts and depresses scaupula

Question 20

Supraspinatus

Answer 20

Supraspinous fossa of scapula
Abducts arm

Question 21

Infraspinatus

Answer 21

Orgin: infraspinous fossa of scapula
Insertion: greater tubercle of humerus
Action: laterally rotates arm

Question 22

Teres minor

Answer 22

Orgin: lateral border of scapula
Insertion: greater tubercle of humerus
Action: laterally rotates and weakly Adducts arm

Question 23

Subscapularis

Answer 23

Orgin: subscapular fossa of scapula Insertion: lesser tubercle of humerus Action: medially rotates arm

Question 24

Teres major

Answer 24

Orgin: lateral border of scapula
Insertion: lesser tubercle of humerus Action: extends arm

Question 25

Latissimus dorsi

Answer 25

Orgin: iliac crest of ilium Insertion: intertibercular sulcus of humerus Action: extends arm

Question 26

Deltoid

Answer 26

Orgin: acromial end of scapula Insertion: deltoid tuberosity of humerus Action: flexes arm

Question 27

Pectoralis major

Answer 27

Orgin: clavicle Insertion: inter tubercular sulcus of humerus Action: medially rotates arm

Question 28

Anconeus

Answer 28

Extends forearm

Question 29

Coracobrachialis

Answer 29

Orgin: coracoid process of scapula Insertion: middle medial shaft of humerus Action: Adducts and flexes arm

Question 30

Brachialis

Answer 30

Orgin: distal anterior surface of humerus Insertion: coronoid process of ulna Action: flexes forearm

Question 31

Brachioradialis

Answer 31

Orgin: lateral distal humerus Insertion: styloid process of radius Action: flexes forearm

Question 32

Pronator teres

Answer 32

Pronates forearm at radioulnar joint

Question 33

Flexor Capri radialis

Answer 33

Flexes and abducts hand

Question 34

Palmaris longus

Answer 34

Tenses fascia of palm

Question 35

Flexor Capri ulnaris

Answer 35

Flexes and adducts hand

Question 36

Flexor digitorum superficialis

Answer 36

Flexes hand

Question 37

Flexor digitorum profundus

Answer 37

Flexes hand

Question 38

Flexor pollicis longus

Answer 38

Flexes distal phalanx of thumb at IP joint

Question 39

Extensor carpi radialis longus Extensor Carpi radialis brevis

Answer 39

Extends and abducts hand

Question 40

Extensor digitorum

Answer 40

Extends hand

Question 41

Extensor carpi ulnaris

Answer 41

Extends hand

Question 42

Abductor pollicis longus

Answer 42

Weakly extends hand

Question 43

Extensor pollicis brevis

Answer 43

Weakly extends hand

Question 44

Extensor pollicis longus

Answer 44

Weakly extends hand

Question 45

Supinator

Answer 45

Supinates forearm at radioulnar joint