Musculoskeletal System - Muscle Action

Question 1

TMJ - Depress

Answer 1

Lateral pterygoid
Suprahyoid
Infrahyoid

Question 2

TMJ - Elevate

Answer 2

Temporalis
Maseter
Medial pterygoid

Question 3

TMJ - Protrusion

Answer 3

Masseter
Lateral pterygoid
Medial pterygoid

Question 4

TMJ - Retrusion

Answer 4

Digastric
Masseter
Temporalis

Question 5

TMJ - Side to side

Answer 5

Medial pterygoid
Lateral pterygoid
Masseter
Temporalis

Question 6

Cervical Intervertebral - Flexion

Answer 6

Scalenes
SCM
Longus Colli

Question 7

Cervical Intervertebral - Extension

Answer 7

Trapezius
Multifidi
Splenius Cervicis
Semispinalis Cervicis
Thoracis Cervicis
Longissimus Cervicis

Question 8

Cervical Intervertebral - Rotation and Lateral Bending

Answer 8

SCM
Scalenes
Levator Scapulae
Multifidi
Longissumus Cervicis
Iliocostalis Cervicis
Splenius Cervicis

Question 9

Thoracic and Lumbar Intervertebral - Flexion

Answer 9

Rectus Abdominus
Internal Obliques
External Obliques

Question 10

Thoracic and Lumbar Intervertebral - Extension

Answer 10

Erector Spinae
Multifidi
Quadratus Lumborum

Question 11

Thoracic and Lumbar Intervertebral - Rotation and Lateral Bending

Answer 11

Internal Obliques
External Obliques
Psoas Major
Quadratus Lumborum
Rotatores
Multifidi
Longissimus Thoracis
Iliocostalis Thoracis

Question 12

Scapula - Elevation

Answer 12

Levator Scapulae

Upper Trapezius

Question 13

Scapula - Depression

Answer 13

Latissimus Dorsi
Lower Trapezius
Pectoralis Major
Pectoralis Minor

Question 14

Scapula - Protraction

Answer 14

Serratus Anterior

Pectoralis Minor

Question 15

Scapula - Retraction

Answer 15

Middle Trapezius

Rhomboids

Question 16

Scapula - Upward Rotation

Answer 16

Upper Trapezius
Lower Trapezius
Serratus Anterior

Question 17

Scapula - Downward Rotation

Answer 17

Pec Minor
Rhomboids
Levator Scapulae

Question 18

Shoulder - Flexion

Answer 18

Anterior Deltoid
Pec Major
Biceps Brachii
Coracobrachialis

Question 19

Shoulder - Extension

Answer 19

Latissumus Dorsi
Teres Major
Triceps Brachii
Posterior Deltoid

Question 20

Shoulder - Abduction

Answer 20

Middle Deltoid

Supraspinatus

Question 21

Shoulder - Adduction

Answer 21

Latissimus Dorsi
Pec Major
Teres Major

Question 22

Shoulder - Horizontal Abduction

Answer 22

Posterior Deltoid
Infraspinatus
Teres Minor

Question 23

Shoulder - Horizontal Adduction

Answer 23

Anterior Deltoid

Pec Major

Question 24

Shoulder - Lateral Rotation

Answer 24

Teres Minor
Infraspinatus
Posterior Deltoid

Question 25

Shoulder - Medial Rotation

Answer 25

``` Subscapularis Teres Major Pectoralis Major Latissumus Dorsi Anterior Deltoid ```

Question 26

Elbow - Flexion

Answer 26

Biceps Brachii Brachialis Brachioradialis

Question 27

Elbow - Extension

Answer 27

Triceps Brachii | Anconeus

Question 28

Radioulnar - Supination

Answer 28

Biceps Brachii | Supinator

Question 29

Radioulnar - Pronation

Answer 29

Pronator Teres | Pronator Quadratus

Question 30

Wrist - Flexion

Answer 30

Flexor Carpi Radialis Flexor Carpi Ulnaris Palmaris Longus

Question 31

Wrist - Extension

Answer 31

Extensor Carpi Radialis Longus Extensor Carpi Radialis Brevis Extensor Carpi Ulnaris

Question 32

Wrist - Radial Deviation

Answer 32

Flexor Carpi Radialis Extensor Carpi Radialis Longus and Brevis Extensor Pollicis Longus and Brevis

Question 33

Wrist - Ulnar Deviation

Answer 33

Flexor Carpi Ulnaris | Extensor Carpi Ulnaris

Question 34

Finger - Flexion

Answer 34

Flexor Digitorum Superficialis and Profundus Flexor Digiti Minimi Interossei Lumbricals

Question 35

Finger - Extension

Answer 35

Extensor Digitorum Communis Extensor Indices Extensor Digiti Minimi

Question 36

Finger - Abduction

Answer 36

Dorsal Interossei | Abductor Digiti Minimi

Question 37

Finger - Adduction

Answer 37

Palmar Interossei

Question 38

Thumb - Flexion

Answer 38

Flexor Pollicis Longus and Brevis | Opponens Pollicis

Question 39

Thumb - Extension

Answer 39

Extensor Pollicis Longus and Brevis | Abducto Pollicis Longus

Question 40

Thumb - Abduction

Answer 40

Abductor Pollicis Longus and Brevis

Question 41

Thumb - Adduction

Answer 41

Adductor Pollicis

Question 42

Thumb - Opposition

Answer 42

Opponens Pollicis Flexor Pollicis Brevis Abductor Pollicis Opponens Digiti Minimi

Question 43

Hip - Flexion

Answer 43

Iliopsoas Sartorius Rectus Femoris Pectineus

Question 44

Hip - Extension

Answer 44

Glute Max and Med Biceps Femoris Semitendinosus Semimebranosus

Question 45

Hip - Abduction

Answer 45

TFL Glute Med and Min Piriformis Obturator Internis

Question 46

Hip - Adduction

Answer 46

Adductor Magnus, Longus and Brevis | Gracilis

Question 47

Hip - Medial Rotation

Answer 47

TFL Glute Med and Min Pectineus Adductor Longus

Question 48

Hip - Lateral Rotation

Answer 48

``` Glute Max Obturator Externus and Internus Piriformis Gemelli Sartorius ```

Question 49

Knee - Flexion

Answer 49

Biceps Femoris Semimembranosus Semitendinosus Sartorius

Question 50

Knee - Extension

Answer 50

Rectus Femoris | Vastus Lateralis, Intermedius and Medialis

Question 51

Ankle - Plantar Flexion

Answer 51

``` Gastrocnemius Soleus Tibialis Posterior Peroneus Longus and Brevis Plantaris Flexor Hallicus ```

Question 52

Ankle - Dorsiflexion

Answer 52

Tibialis Anterior Extensor Digitorum Longus Extensor Hallicus Longus Peroneus Tertius

Question 53

Ankle - Inversion

Answer 53

Tibialis Posterior and Anterior | Flexor Digitorum Longus

Question 54

Ankle - Eversion

Answer 54

Peroneus Longus, Brevis and Tertius

Question 55

Toe - Flexion

Answer 55

``` Flexor Digitorum Longus and Brevis Flexor Hallicus Longus and Brevis Flexor Digiti Mimini Brevis Quadratus Plantae Lumbricals ```

Question 56

Toe - Extension

Answer 56

Extensor Digitorum Longus and Brevis Extensor Hallicus Longus and Brevis Lumbricals

Question 57

Toe - Abduction

Answer 57

Abductor Hallicus Abductor Digiti Minimi Dorsal Interossei

Question 58

Toe - Adduction

Answer 58

Adductor Hallicus | Plantar Interossei