Muscle Actions - DONE ENTERING

Question 1

Muscles that Depress temporomandibular joint

Answer 1

Lateral pterygoid
Suprahyoid
Infrahyoid

Question 2

Muscles that Elevate temporomandibular joint

Answer 2

Temporalis
Masseter
Medial pterygoid

Question 3

Muscles that Protrude TMJ

Answer 3

Masseter
Lateral pterygoid
Medial pterygoid

Question 4

Muscles that Retrude TMJ

Answer 4

Temporalis
Masseter
Digastric

Question 5

Muscles that Side to side TMJ

Answer 5

Medial pterygoid
Lateral pterygoid
Masseter
Temporalis

Question 6

Muscles that flex the shoulder

Answer 6

Anterior deltoid
Coracobrachialis
Clavicular head of pec major
Biceps brachii

Question 7

Muscles that extend the shoulder

Answer 7

Lat Dorsi
Posterior deltoid
Teres major
Long head of triceps brachii

Question 8

Muscles that abduct shoulder

Answer 8

Middle deltoid

Supraspinatus

Question 9

Muscles that adduct shoulder

Answer 9

Pec major
Lat dorsi
Teres major

Question 10

Muscles that horizontally abduct shoulder

Answer 10

Posterior deltoid
Infraspinatus
Teres minor

Question 11

Muscles that horizontally adduct shoulder

Answer 11

Anterior deltoid

Pec major

Question 12

Muscles that externally rotate shoulder

Answer 12

Teres minor
Infraspinatus
Posterior deltoid

Question 13

Muscles that internally rotate shoulder

Answer 13

Subscapularis
Teres major
Pec major
Lat dorsi
Anterior deltoid

Question 14

Muscles that elevate the scapula

Answer 14

Upper trap

Levator scapulae

Question 15

Muscles that depress the scapula

Answer 15

Lat dorsi
Pec major
Pec minor
Lower trap

Question 16

Muscles that protract the scapula

Answer 16

Serratus anterior

Pec minor

Question 17

Muscles that retract the scapula

Answer 17

Middle trap

Rhomboids

Question 18

Muscles that upwardly rotate the scapula

Answer 18

Upper trap
Lower trap
Serratus anterior

Question 19

Muscles that downwardly rotate the scapula

Answer 19

Rhomboids
Levator scapulae
Pec minor

Question 20

Muscles that flex cervical IV joints

Answer 20

SCM
Longus colli
Scalenes

Question 21

Muscles that extend cervical IV joints

Answer 21

Splenius cervicis
Semispinalis cervicis
Iliocostalis cervicis
Longissimus cervicis
Multifidus
Trapezius

Question 22

Muscles that rotate and lateral bend cervical IV joints

Answer 22

SCM
Scalenes
Splenius cervicis
Longissimus crevices
Iliocostalis cervicis
Levator scapulae
Multifidus

Question 23

Muscles that flex thoracic/lumbar

Answer 23

Rectus abdominis
Internal oblique
External oblique

Question 24

Muscles that extend thoracic/lumbar

Answer 24

Erector spinal
Quadratus lumborum
Multifidus

Question 25

Muscles that rotate and lateral bend thoracic/lumbar

Answer 25

``` Psoas major Quadratus lumborum Ext oblique Int oblique Multifidus Longissimus thoracis Iliocostalis thoracis Rotatores ```

Question 26

Muscles that flex the elbow

Answer 26

Biceps brachii Brachialis Brachioradialis

Question 27

Muscles that extend the elbow

Answer 27

Triceps brachii | Anconeus

Question 28

Muscles that supinate the radioulnar joint

Answer 28

Biceps brachii | Supinator

Question 29

Muscles that pronate the radioulnar joint

Answer 29

Pronator teres | Pronator quadratus

Question 30

Muscles that flex the wrist joint

Answer 30

Flexor carpi radialis Flexor carpi ulnaris Palmaris longus

Question 31

Muscles that extend the wrist

Answer 31

Extensor carpi radialis longus Extensor carpi radialis brevis Extensor carpi ulnaris

Question 32

Muscles that radial deviate the wrist

Answer 32

``` Extensor carpi radialis longus Extensor carpi radialis brevis Flexor carpi radialis Extensor pollicis longus Extensor pollicis brevis ```

Question 33

Muscles that ulnar deviate the wrist

Answer 33

Extensor carpi ulnaris | Flexor carpi ulnaris

Question 34

Muscles that flex finger joints

Answer 34

``` Flexor digitorum profundis Flexor digitorum superficialis Flexor digiti minimi (fifth digit only) Interossei Lumbricals ```

Question 35

Muscles that extend finger joints

Answer 35

Extensor digitorum communis Extensor indicis (index only) Extensor digiti minimi (pinky only)

Question 36

Muscles that abduct finger joints

Answer 36

Dorsal interossei | Abductor digiti minimi (pinky only)

Question 37

Muscles that adduct finger joints

Answer 37

Palmar interossei

Question 38

Muscles that flex thumb

Answer 38

Flexor pollicis longus Flexor pollicis brevis Opponens policis

Question 39

Muscles that extend thumb

Answer 39

Extensor pollicis longus Extensor pollicis brevis Abductor pollicis longus

Question 40

Muscles that abduct thumb

Answer 40

Abductor pollicis longus | Abductor pollicis brevis

Question 41

Muscles that adduct thumb

Answer 41

Adductor pollicis

Question 42

Muscles that do thumb opposition

Answer 42

Opponens policis Flexor pollicis brevis Abductor pollicis brevis Opponens digiti minimi

Question 43

Muscles that flex hip

Answer 43

Iliopsoas Sartorius Rectus femoris Pectineus

Question 44

Muscles that extend hip

Answer 44

``` Glute max Glute med Semitendinosus Semimembranosus Biceps femoris ```

Question 45

Muscles that abduct hip

Answer 45

``` Glute med Glute min Piriformis Obturator internus TFL ```

Question 46

Muscles that adduct hip

Answer 46

Adductor magnus Adductor longus Adductor brevis Gracilis

Question 47

Muscles that medial rotate hip

Answer 47

``` TFL Glute med Glute min Pectineus Adductor longus ```

Question 48

Muscles that lateral rotate hip

Answer 48

``` Glute max Obturator externus Obturator internus Piriformis Gemelli Sartorius ```

Question 49

Muscles that flex knee

Answer 49

Biceps femoris Semitendinosus Semimembranosus Sartorius

Question 50

Muscles that extend knee

Answer 50

Rectus femoris Vastus lateralis Vastus intermedius Vastus medialis

Question 51

Muscles that PF ankle

Answer 51

``` Tibialis posterior Gastroc Soleus Peroneus longus Peroneus brevis Plantaris Flexor hallucis ```

Question 52

Muscles that DF ankle

Answer 52

Tibialis anterior Extensor hallucis longus Extensor digitorum longus Peroneus tertius

Question 53

Muscles that invert ankle

Answer 53

Tibialis posterior Tibialis anterior Flexor digitorum longus

Question 54

Muscles that evert ankle

Answer 54

Peroneus longus Peroneus brevis Peroneus tertius

Question 55

Muscles that flex toe

Answer 55

``` Flexor digitorum longus Flexor digitorum brevis Flexor hallucis longus Flexor hallucis brevis Flexor digiti minimi brevis Quadratus plantae Lumbricals ```

Question 56

Muscles that extend toe

Answer 56

``` Extensor digitorum longus Extensor digitorum brevis Extensor hallucis longus Extensor hallucis brevis Lumbricals ```

Question 57

Muscles that abduct toes

Answer 57

Abductor hallucis Abductor digiti minimi Dorsal interossei

Question 58

Muscles that adduct toes

Answer 58

Adductor hallucis | Plantar interossei