Muscle Actions

Question 1

TMJ Depression

Answer 1

Lateral Pterygoid
Suprahyoid
Infrahyoid

Question 2

TMJ Elevation

Answer 2

Temporalis
Masseter
Medial Pterygoid

Question 3

TMJ Protrussion

Answer 3

Masseter
Later Pterygoid
Medial Pterygoid

Question 4

TMJ Retrusion

Answer 4

Temporalis
Masseter
Digastric

Question 5

TMJ Lateral (side-to-side) movement

Answer 5

Medial Pterygoid
Lateral Pterygoid
Masseter
Temporalis

Question 6

Cervical Flexion

Answer 6

Sternocleidomastoid
Longus Colli
Scalenus Muscles

Question 7

Cervical Extension

Answer 7

Splenius Cervicis
Semispinalis Cervicis
Iliocostalis Cervicis
Longissimus Cervicis
Multifidus
Trapezius

Question 8

Cervical Rotation and Lateral Bending

Answer 8

Sternocleidomastoid
Scalenus Muscles
Splenius Cervicis
Longissimus Cervicis
Iliocostalis Cervicis
Levator Scapulae
Multifidus

Question 9

Thoracic and Lumbar Flexion

Answer 9

Rectus Abdominis
Internal Oblique
External Oblique

Question 10

Thoracic and Lumbar Extension

Answer 10

Erector Spinae
Quadratus Lumborum
Multifidus

Question 11

Thoracic and Lumbar Rotation and Lateral Sidebending

Answer 11

Psoas Major
Quadratus Lumborum
External Oblique
Internal Oblique
Multifidus
Longissimus thoracis
Iliocostalis thoracis
Rotatores

Question 12

Scapula Elevation

Answer 12

Upper Trapezius

Levator Scapulae

Question 13

Scapula Depression

Answer 13

Latissimus Dorsi
Pectoralis Major
Pectoralis Minor
Lower Trapezius

Question 14

Scapula Protraction

Answer 14

Serratus Anterior

Pectoralis Major

Question 15

Scapula Retraction

Answer 15

Trapezius

Rhomboids

Question 16

Scapula Upward Rotation

Answer 16

Trapezius

Serratus Anterior

Question 17

Scapula Downward Rotation

Answer 17

Rhomboids
Levator Scapulae
Pectoralis Minor

Question 18

Shoulder Flexion

Answer 18

Anterior Deltoid
Coracobrachialis
Pectoralis Major
Biceps Brachii

Question 19

Shoulder Extension

Answer 19

Latissimus Dorsi
Posterior Deltoid
Teres Major

Question 20

Shoulder Abduction

Answer 20

Middle Deltoid

Supraspinatus

Question 21

Shoulder Adduction

Answer 21

Pectoralis Major
Latissimus Dorsi
Teres Major

Question 22

Shoulder Lateral Rotation

Answer 22

Teres Minor
Infraspinatus
Posterior Deltoid

Question 23

Shoulder Medial Rotation

Answer 23

Subscapularis
Teres Major
Pectoralis Major
Latissimus Dorsi
Anterior Deltoid

Question 24

Elbow Flexion

Answer 24

Biceps Brachii
Brachialis
Brachioradialis

Question 25

Elbow Extension

Answer 25

Triceps Brachii | Anconeus

Question 26

Radioulnar Supination

Answer 26

Biceps Brachii | Supinator

Question 27

Radioulnar Pronation

Answer 27

Pronator Teres | Pronator Quadratus

Question 28

Wrist Flexion

Answer 28

Flexor Carpi Radialis Flexor Carpi Ulnaris Plamaris Longus

Question 29

Wrist Extension

Answer 29

Extensor Carpi Radialis Longus Extensor Carpi Radialis Brevis Extensor Carpi Ulnaris

Question 30

Wrist Radial Deviation

Answer 30

Extensor Carpi Radialis Flexor Carpi Radialis Extensor Pollicis Longus and Brevis

Question 31

Wrist Ulnar Deviation

Answer 31

Extensor Carpi Ulnaris | Flexor Carpi Ulnaris

Question 32

Hip Flexion

Answer 32

Iliopsoas Sartorius Rectus Femoris Pectineus

Question 33

Hip Extension

Answer 33

Gluteus Maximus and Medius Semitendinosus Semimembranosus Biceps Femoris

Question 34

Hip Abduction

Answer 34

``` Gluteus Medius Gluteus Minimus Piriformis Obturator Internus Tensor Fascia Latae ```

Question 35

Hip Adduction

Answer 35

Adductor Magnus Adductor Longus Adductor Brevis Gracilis

Question 36

Hip Medial Rotation

Answer 36

``` Tensor Fascia Latae Gluteus Medius Gluteus Minimus Pectineus Adductor Longus ```

Question 37

Hip Lateral Rotation

Answer 37

``` Gluteus Maximus Obturator Externus Obturator Internus Piriformis Gemelli Sartorius ```

Question 38

Knee Flexion

Answer 38

Biceps Femoris Semitendinosus Semimembranosus Sartorius

Question 39

Knee Extension

Answer 39

Rectus Femoris Vastus Lateralis Vastus Intermedius Vastus Medialis

Question 40

Ankle Plantar Flexion

Answer 40

``` Tibialis Posterior Gastrocnemius Soleus Peroneus Longus Peroneus Brevis Plantaris Flexor Hallucis ```

Question 41

Ankle Dorsiflexion

Answer 41

Tibialis Anterior Extensor Hallucis Longus Extensor Digitorum Longus Peroneus Tertius

Question 42

Ankle Inversion

Answer 42

Tibialis Posterior Tibialis Anterior Flexor Digitorum Longus

Question 43

Ankle Eversion

Answer 43

Peroneus Longus Peroneus Brevis Peroneus Tertius